./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:33:16,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:33:16,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:33:16,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:33:16,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:33:16,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:33:16,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:33:16,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:33:16,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:33:16,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:33:16,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:33:16,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:33:16,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:33:16,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:33:16,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:33:16,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:33:16,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:33:16,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:33:16,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:33:16,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:33:16,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:33:16,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:33:16,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:33:16,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:33:16,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:33:16,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:33:16,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:33:16,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:33:16,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:33:16,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:33:16,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:33:16,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:33:16,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:33:16,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:33:16,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:33:16,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:33:16,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:33:16,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:33:16,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:33:16,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:33:16,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:33:16,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:33:16,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:33:16,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:33:16,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:33:16,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:33:16,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:33:16,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:33:16,888 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:33:16,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:33:16,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:33:16,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:33:16,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:33:16,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:33:16,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:33:16,891 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:33:16,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:33:16,892 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:33:16,892 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:33:16,892 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:33:16,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:33:16,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:33:16,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:33:16,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:33:16,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:33:16,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:33:16,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:33:16,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:33:16,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:33:16,895 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:33:16,896 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:33:16,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:33:16,896 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:33:16,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:33:16,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:33:16,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:33:16,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:16,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:33:16,898 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:33:16,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:33:16,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:33:16,899 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:33:16,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:33:16,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:33:16,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:33:16,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-19 07:33:17,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:33:17,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:33:17,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:33:17,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:33:17,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:33:17,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-19 07:33:17,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/235fcc5c0/5cd8ec732e674254bd38419431b87678/FLAG9c8a64beb [2022-11-19 07:33:17,926 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:33:17,927 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-19 07:33:17,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/235fcc5c0/5cd8ec732e674254bd38419431b87678/FLAG9c8a64beb [2022-11-19 07:33:18,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/235fcc5c0/5cd8ec732e674254bd38419431b87678 [2022-11-19 07:33:18,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:33:18,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:33:18,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:18,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:33:18,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:33:18,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b218bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18, skipping insertion in model container [2022-11-19 07:33:18,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:33:18,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:33:18,574 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:33:18,748 WARN L234 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_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-19 07:33:18,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:18,762 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:33:18,781 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:33:18,811 WARN L234 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_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-19 07:33:18,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:18,851 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:33:18,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18 WrapperNode [2022-11-19 07:33:18,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:18,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:18,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:33:18,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:33:18,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,912 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-19 07:33:18,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:18,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:33:18,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:33:18,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:33:18,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,951 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:33:18,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:33:18,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:33:18,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:33:18,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:18" (1/1) ... [2022-11-19 07:33:18,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:33:19,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:33:19,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:33:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:33:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-19 07:33:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-19 07:33:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:33:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:33:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:33:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:33:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:33:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:33:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:33:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:33:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:33:19,068 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:33:19,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:33:19,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:33:19,672 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:33:19,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:33:19,981 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:33:19,982 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-11-19 07:33:19,988 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 07:33:19,993 INFO L158 Benchmark]: Toolchain (without parser) took 1768.15ms. Allocated memory is still 104.9MB. Free memory was 68.0MB in the beginning and 77.7MB in the end (delta: -9.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-19 07:33:19,993 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:33:19,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.41ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 73.1MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-19 07:33:19,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.54ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 70.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:19,996 INFO L158 Benchmark]: Boogie Preprocessor took 43.24ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:19,997 INFO L158 Benchmark]: RCFGBuilder took 1033.84ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 77.7MB in the end (delta: -9.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-19 07:33:20,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.41ms. Allocated memory is still 104.9MB. Free memory was 67.8MB in the beginning and 73.1MB in the end (delta: -5.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.54ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 70.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.24ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1033.84ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 77.7MB in the end (delta: -9.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-19 07:33:20,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:33:22,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:33:22,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:33:22,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:33:22,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:33:22,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:33:22,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:33:22,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:33:22,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:33:22,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:33:22,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:33:22,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:33:22,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:33:22,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:33:22,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:33:22,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:33:22,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:33:22,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:33:22,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:33:22,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:33:22,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:33:22,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:33:22,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:33:22,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:33:22,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:33:22,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:33:22,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:33:22,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:33:22,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:33:22,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:33:22,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:33:22,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:33:22,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:33:22,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:33:22,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:33:22,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:33:22,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:33:22,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:33:22,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:33:22,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:33:22,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:33:22,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-19 07:33:22,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:33:22,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:33:22,941 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:33:22,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:33:22,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:33:22,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:33:22,944 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:33:22,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:33:22,944 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:33:22,945 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:33:22,946 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:33:22,946 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:33:22,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:33:22,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:33:22,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:33:22,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:33:22,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:33:22,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:33:22,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:33:22,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:33:22,951 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:33:22,951 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:33:22,951 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:33:22,951 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:33:22,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:33:22,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:33:22,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:33:22,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:33:22,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:33:22,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:33:22,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:22,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:33:22,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:33:22,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:33:22,955 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:33:22,955 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:33:22,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:33:22,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:33:22,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:33:22,956 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_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-19 07:33:23,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:33:23,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:33:23,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:33:23,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:33:23,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:33:23,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-19 07:33:23,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/946b058df/6afa05bd337849da904c5c82447f9928/FLAGd6a51b427 [2022-11-19 07:33:24,304 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:33:24,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-19 07:33:24,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/946b058df/6afa05bd337849da904c5c82447f9928/FLAGd6a51b427 [2022-11-19 07:33:24,535 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/data/946b058df/6afa05bd337849da904c5c82447f9928 [2022-11-19 07:33:24,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:33:24,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:33:24,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:24,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:33:24,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:33:24,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:24" (1/1) ... [2022-11-19 07:33:24,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769d9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:24, skipping insertion in model container [2022-11-19 07:33:24,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:24" (1/1) ... [2022-11-19 07:33:24,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:33:24,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:33:24,842 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:33:25,200 WARN L234 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_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-19 07:33:25,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:25,221 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:33:25,241 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:33:25,272 WARN L234 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_f864ee0f-88dd-4458-adfb-aa82806e224a/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-19 07:33:25,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:33:25,334 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:33:25,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25 WrapperNode [2022-11-19 07:33:25,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:33:25,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:25,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:33:25,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:33:25,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,432 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2022-11-19 07:33:25,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:33:25,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:33:25,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:33:25,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:33:25,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,473 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:33:25,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:33:25,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:33:25,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:33:25,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:25" (1/1) ... [2022-11-19 07:33:25,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:33:25,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:33:25,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:33:25,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:33:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:33:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-19 07:33:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-19 07:33:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 07:33:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:33:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:33:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:33:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:33:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:33:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:33:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 07:33:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:33:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:33:25,598 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:33:25,886 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:33:25,889 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:33:26,418 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:33:26,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:33:26,776 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:33:26,777 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2022-11-19 07:33:26,778 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 07:33:26,789 INFO L158 Benchmark]: Toolchain (without parser) took 2239.08ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 53.7MB in the end (delta: -6.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:26,790 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:33:26,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.98ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 39.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:33:26,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.43ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 36.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:26,792 INFO L158 Benchmark]: Boogie Preprocessor took 46.15ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:33:26,793 INFO L158 Benchmark]: RCFGBuilder took 1300.30ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 53.7MB in the end (delta: -19.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-19 07:33:26,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.98ms. Allocated memory is still 67.1MB. Free memory was 47.4MB in the beginning and 39.3MB in the end (delta: 8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.43ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 36.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.15ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1300.30ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 53.7MB in the end (delta: -19.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-19 07:33:26,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f864ee0f-88dd-4458-adfb-aa82806e224a/bin/utaipan-I9t0OCRTmS/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?