./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/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_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/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_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:56:02,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:56:02,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:56:02,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:56:02,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:56:02,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:56:02,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:56:02,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:56:02,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:56:02,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:56:02,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:56:02,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:56:02,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:56:02,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:56:02,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:56:02,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:56:02,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:56:02,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:56:02,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:56:02,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:56:02,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:56:02,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:56:02,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:56:02,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:56:02,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:56:02,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:56:02,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:56:02,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:56:02,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:56:02,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:56:02,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:56:02,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:56:02,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:56:02,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:56:02,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:56:02,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:56:02,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:56:02,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:56:02,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:56:02,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:56:02,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:56:02,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:56:02,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:56:02,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:56:02,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:56:02,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:56:02,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:56:02,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:56:02,922 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:56:02,923 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:56:02,923 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:56:02,923 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:56:02,924 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:56:02,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:56:02,925 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:56:02,925 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:56:02,925 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:56:02,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:56:02,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:56:02,926 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:56:02,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:56:02,929 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:56:02,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:56:02,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:56:02,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:56:02,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:56:02,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:56:02,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:56:02,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:56:02,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:56:02,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:56:02,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:56:02,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:56:02,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:56:02,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:56:02,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:56:02,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:56:02,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:56:02,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:56:02,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:56:02,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:56:02,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:56:02,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:56:02,936 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_5c097874-f054-44af-a5d9-4dd4432b6073/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-25 19:56:03,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:56:03,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:56:03,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:56:03,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:56:03,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:56:03,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:56:03,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/267132284/80c77abde77b4fa49709df7d1d0366d2/FLAG94437facc [2021-11-25 19:56:03,904 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:56:03,904 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:56:03,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/267132284/80c77abde77b4fa49709df7d1d0366d2/FLAG94437facc [2021-11-25 19:56:04,188 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/267132284/80c77abde77b4fa49709df7d1d0366d2 [2021-11-25 19:56:04,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:56:04,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:56:04,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:56:04,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:56:04,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:56:04,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5f1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04, skipping insertion in model container [2021-11-25 19:56:04,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:56:04,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:56:04,511 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:56:04,712 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_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:56:04,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:56:04,734 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:56:04,764 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:56:04,804 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_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:56:04,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:56:04,876 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:56:04,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04 WrapperNode [2021-11-25 19:56:04,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:56:04,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:56:04,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:56:04,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:56:04,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,966 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-25 19:56:04,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:56:04,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:56:04,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:56:04,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:56:04,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:04,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:05,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:05,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:05,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:05,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:56:05,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:56:05,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:56:05,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:56:05,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:04" (1/1) ... [2021-11-25 19:56:05,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:56:05,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:56:05,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:56:05,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:56:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:56:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-25 19:56:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-25 19:56:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:56:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 19:56:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:56:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:56:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:56:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:56:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 19:56:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:56:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:56:05,139 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 19:56:05,295 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:56:05,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:56:05,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:56:05,598 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:56:05,598 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:56:05,599 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-25 19:56:05,600 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 19:56:05,605 INFO L158 Benchmark]: Toolchain (without parser) took 1411.74ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 56.3MB in the end (delta: 16.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-25 19:56:05,606 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:56:05,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.48ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 74.1MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 19:56:05,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.22ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:56:05,609 INFO L158 Benchmark]: Boogie Preprocessor took 62.38ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 71.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:56:05,610 INFO L158 Benchmark]: RCFGBuilder took 571.87ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 56.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 19:56:05,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 60.6MB in the beginning and 60.6MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.48ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 74.1MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.22ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.38ms. Allocated memory is still 109.1MB. Free memory was 72.0MB in the beginning and 71.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.87ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 56.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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 19:56:05,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/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_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/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_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/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_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:56:08,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:56:08,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:56:08,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:56:08,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:56:08,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:56:08,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:56:08,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:56:08,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:56:08,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:56:08,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:56:08,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:56:08,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:56:08,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:56:08,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:56:08,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:56:08,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:56:08,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:56:08,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:56:08,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:56:08,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:56:08,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:56:08,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:56:08,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:56:08,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:56:08,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:56:08,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:56:08,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:56:08,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:56:08,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:56:08,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:56:08,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:56:08,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:56:08,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:56:08,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:56:08,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:56:08,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:56:08,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:56:08,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:56:08,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:56:08,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:56:08,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 19:56:08,598 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:56:08,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:56:08,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:56:08,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:56:08,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:56:08,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:56:08,601 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:56:08,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:56:08,602 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:56:08,602 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:56:08,603 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:56:08,603 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:56:08,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:56:08,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:56:08,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:56:08,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:56:08,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:56:08,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:56:08,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:56:08,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:56:08,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:56:08,607 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:56:08,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:56:08,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:56:08,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:56:08,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:56:08,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:56:08,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:56:08,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:56:08,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:56:08,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:56:08,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:56:08,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:56:08,611 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:56:08,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:56:08,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:56:08,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:56:08,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:56:08,612 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_5c097874-f054-44af-a5d9-4dd4432b6073/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-25 19:56:09,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:56:09,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:56:09,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:56:09,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:56:09,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:56:09,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:56:09,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/76d9dc682/fd592cfc4dd44da8a76618b151b3168f/FLAG364714414 [2021-11-25 19:56:09,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:56:09,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-25 19:56:09,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/76d9dc682/fd592cfc4dd44da8a76618b151b3168f/FLAG364714414 [2021-11-25 19:56:10,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/data/76d9dc682/fd592cfc4dd44da8a76618b151b3168f [2021-11-25 19:56:10,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:56:10,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:56:10,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:56:10,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:56:10,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:56:10,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:10,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446517be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10, skipping insertion in model container [2021-11-25 19:56:10,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:10,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:56:10,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:56:10,426 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:56:10,740 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_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:56:10,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:56:10,775 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:56:10,819 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-25 19:56:10,855 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_5c097874-f054-44af-a5d9-4dd4432b6073/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-25 19:56:10,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:56:10,910 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:56:10,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10 WrapperNode [2021-11-25 19:56:10,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:56:10,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:56:10,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:56:10,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:56:10,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:10,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:10,980 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-25 19:56:10,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:56:10,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:56:10,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:56:10,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:56:10,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:10,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:56:11,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:56:11,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:56:11,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:56:11,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:56:10" (1/1) ... [2021-11-25 19:56:11,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:56:11,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:56:11,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:56:11,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:56:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 19:56:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-25 19:56:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-25 19:56:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 19:56:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:56:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:56:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:56:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 19:56:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 19:56:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 19:56:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 19:56:11,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:56:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:56:11,165 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 19:56:11,387 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:56:11,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:56:11,617 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:56:11,713 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:56:11,719 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:56:11,721 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-25 19:56:11,722 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 19:56:11,727 INFO L158 Benchmark]: Toolchain (without parser) took 1627.55ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 40.5MB in the beginning and 47.3MB in the end (delta: -6.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-11-25 19:56:11,731 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:56:11,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.07ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 35.9MB in the end (delta: 4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 19:56:11,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.64ms. Allocated memory is still 62.9MB. Free memory was 35.7MB in the beginning and 33.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:56:11,737 INFO L158 Benchmark]: Boogie Preprocessor took 81.04ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 19:56:11,738 INFO L158 Benchmark]: RCFGBuilder took 660.80ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.0MB in the beginning and 47.3MB in the end (delta: -15.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-25 19:56:11,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.07ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 35.9MB in the end (delta: 4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.64ms. Allocated memory is still 62.9MB. Free memory was 35.7MB in the beginning and 33.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.04ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 32.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 660.80ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.0MB in the beginning and 47.3MB in the end (delta: -15.3MB). Peak memory consumption was 10.3MB. 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 19:56:11,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c097874-f054-44af-a5d9-4dd4432b6073/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?