./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a 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_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:17:15,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:17:15,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:17:15,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:17:15,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:17:15,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:17:15,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:17:15,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:17:15,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:17:15,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:17:15,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:17:15,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:17:15,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:17:15,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:17:15,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:17:15,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:17:15,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:17:15,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:17:15,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:17:15,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:17:15,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:17:15,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:17:15,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:17:15,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:17:15,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:17:15,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:17:15,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:17:15,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:17:15,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:17:15,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:17:15,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:17:15,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:17:15,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:17:15,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:17:15,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:17:15,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:17:15,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:17:15,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:17:15,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:17:15,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:17:15,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:17:15,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-26 00:17:15,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:17:15,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:17:15,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:17:15,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:17:15,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:17:15,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:17:15,431 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:17:15,431 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:17:15,431 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:17:15,432 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:17:15,433 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:17:15,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:17:15,433 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:17:15,434 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:17:15,434 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:17:15,434 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:17:15,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:17:15,435 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:17:15,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:17:15,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:17:15,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:17:15,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:17:15,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:17:15,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:17:15,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:17:15,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:17:15,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:17:15,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:17:15,438 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:17:15,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:17:15,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:17:15,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:17:15,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:17:15,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:17:15,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:17:15,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:17:15,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:17:15,441 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:17:15,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:17:15,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:17:15,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:17:15,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:17:15,442 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_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-26 00:17:15,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:17:15,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:17:15,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:17:15,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:17:15,813 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:17:15,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:17:18,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:17:19,137 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:17:19,138 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:17:19,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/3fb57d9ed/36d27bb5922f45bf8a3d3ab25a813c6f/FLAG3bf7ef134 [2022-11-26 00:17:19,171 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/3fb57d9ed/36d27bb5922f45bf8a3d3ab25a813c6f [2022-11-26 00:17:19,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:17:19,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:17:19,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:17:19,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:17:19,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:17:19,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12762b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19, skipping insertion in model container [2022-11-26 00:17:19,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:17:19,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:17:19,451 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:17:19,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:19,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:19,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:19,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:17:19,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:19,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:17:19,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:17:19,716 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:17:19,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:19,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:19,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:19,739 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:17:19,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:19,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:17:19,778 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:17:19,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19 WrapperNode [2022-11-26 00:17:19,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:17:19,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:17:19,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:17:19,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:17:19,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,854 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-11-26 00:17:19,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:17:19,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:17:19,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:17:19,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:17:19,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:17:19,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:17:19,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:17:19,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:17:19,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:19" (1/1) ... [2022-11-26 00:17:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:17:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:17:19,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:17:19,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:17:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:17:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 00:17:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 00:17:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:17:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:17:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:17:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:17:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:17:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:17:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:17:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:17:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:17:19,975 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:17:20,160 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:17:20,162 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:17:20,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:17:20,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:17:20,616 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:17:20,617 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-26 00:17:20,618 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 00:17:20,625 INFO L158 Benchmark]: Toolchain (without parser) took 1445.45ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 115.0MB in the end (delta: -9.3MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-26 00:17:20,626 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:17:20,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.51ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 85.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 00:17:20,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.72ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:17:20,628 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 148.9MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:17:20,629 INFO L158 Benchmark]: RCFGBuilder took 730.77ms. Allocated memory is still 148.9MB. Free memory was 82.1MB in the beginning and 115.0MB in the end (delta: -32.9MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-26 00:17:20,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.51ms. Allocated memory is still 148.9MB. Free memory was 105.7MB in the beginning and 85.3MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.72ms. Allocated memory is still 148.9MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 148.9MB. Free memory was 83.6MB in the beginning and 82.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.77ms. Allocated memory is still 148.9MB. Free memory was 82.1MB in the beginning and 115.0MB in the end (delta: -32.9MB). Peak memory consumption was 29.5MB. 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. [2022-11-26 00:17:20,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:17:23,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:17:23,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:17:23,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:17:23,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:17:23,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:17:23,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:17:23,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:17:23,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:17:23,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:17:23,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:17:23,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:17:23,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:17:23,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:17:23,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:17:23,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:17:23,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:17:23,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:17:23,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:17:23,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:17:23,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:17:23,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:17:23,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:17:23,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:17:23,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:17:23,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:17:23,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:17:23,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:17:23,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:17:23,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:17:23,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:17:23,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:17:23,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:17:23,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:17:23,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:17:23,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:17:23,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:17:23,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:17:23,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:17:23,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:17:23,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:17:23,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-26 00:17:23,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:17:23,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:17:23,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:17:23,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:17:23,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:17:23,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:17:23,329 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:17:23,329 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:17:23,330 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:17:23,330 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:17:23,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:17:23,330 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:17:23,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:17:23,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:17:23,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:17:23,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:17:23,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:17:23,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:17:23,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:17:23,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:17:23,333 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:17:23,333 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:17:23,333 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:17:23,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:17:23,334 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:17:23,334 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:17:23,334 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:17:23,334 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:17:23,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:17:23,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:17:23,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:17:23,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:17:23,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:17:23,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:17:23,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:17:23,336 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:17:23,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:17:23,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:17:23,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:17:23,337 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_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-11-26 00:17:23,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:17:23,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:17:23,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:17:23,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:17:23,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:17:23,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:17:26,972 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:17:27,264 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:17:27,265 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-11-26 00:17:27,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/b50f76d39/ea2e4e7ff4aa49fc93e499287af74e30/FLAG07a34eca1 [2022-11-26 00:17:27,310 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/data/b50f76d39/ea2e4e7ff4aa49fc93e499287af74e30 [2022-11-26 00:17:27,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:17:27,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:17:27,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:17:27,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:17:27,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:17:27,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:27,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61853490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27, skipping insertion in model container [2022-11-26 00:17:27,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:27,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:17:27,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:17:27,566 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:17:27,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:27,796 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:27,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:27,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:17:27,809 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:27,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:17:27,840 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:17:27,873 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:17:27,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:27,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:27,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:17:27,902 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-11-26 00:17:27,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:17:27,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:17:27,944 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:17:27,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27 WrapperNode [2022-11-26 00:17:27,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:17:27,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:17:27,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:17:27,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:17:27,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,033 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-26 00:17:28,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:17:28,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:17:28,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:17:28,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:17:28,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,079 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:17:28,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:17:28,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:17:28,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:17:28,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:17:27" (1/1) ... [2022-11-26 00:17:28,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:17:28,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:17:28,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:17:28,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:17:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:17:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 00:17:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 00:17:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:17:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:17:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:17:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:17:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:17:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:17:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:17:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:17:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:17:28,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:17:28,193 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:17:28,349 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:17:28,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:17:28,724 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:17:28,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:17:28,941 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:17:28,942 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-11-26 00:17:28,943 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 00:17:28,947 INFO L158 Benchmark]: Toolchain (without parser) took 1632.45ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 66.6MB in the end (delta: 6.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2022-11-26 00:17:28,947 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:17:28,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.06ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 51.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 00:17:28,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.09ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 74.5MB in the end (delta: -22.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-26 00:17:28,949 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 72.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:17:28,950 INFO L158 Benchmark]: RCFGBuilder took 861.05ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 66.6MB in the end (delta: 6.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-26 00:17:28,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 73.4MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.06ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 51.6MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.09ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 74.5MB in the end (delta: -22.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 72.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 861.05ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 66.6MB in the end (delta: 6.0MB). Peak memory consumption was 31.3MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-26 00:17:28,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_692352ca-4bbf-4e31-b35d-8d01f1d0530e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?