./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 2329fc70 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 10:20:05,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:20:05,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:20:05,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:20:05,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:20:05,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:20:05,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:20:05,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:20:05,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:20:05,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:20:05,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:20:05,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:20:05,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:20:05,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:20:05,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:20:05,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:20:05,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:20:05,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:20:05,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:20:05,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:20:05,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:20:05,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:20:05,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:20:05,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:20:05,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:20:05,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:20:05,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:20:05,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:20:05,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:20:05,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:20:05,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:20:05,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:20:05,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:20:05,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:20:05,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:20:05,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:20:05,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:20:05,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:20:05,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:20:05,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:20:05,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:20:05,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 10:20:05,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:20:05,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:20:05,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:20:05,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:20:05,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:20:05,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:20:05,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:20:05,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:20:05,408 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:20:05,408 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:20:05,408 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:20:05,408 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:20:05,408 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:20:05,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 10:20:05,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 10:20:05,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:20:05,409 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:20:05,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:20:05,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:20:05,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:20:05,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:20:05,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:20:05,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:20:05,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:20:05,412 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 10:20:05,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:20:05,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:20:05,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:20:05,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:20:05,592 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:20:05,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 10:20:08,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:20:08,413 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:20:08,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 10:20:08,423 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/8328cfb88/144f09024c634fdfacd8b16b0eed10ac/FLAGe4d2890b3 [2022-12-14 10:20:08,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/8328cfb88/144f09024c634fdfacd8b16b0eed10ac [2022-12-14 10:20:08,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:20:08,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:20:08,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:20:08,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:20:08,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:20:08,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a0c98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08, skipping insertion in model container [2022-12-14 10:20:08,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:20:08,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:20:08,582 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:20:08,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:08,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:08,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:08,672 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 10:20:08,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:08,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:20:08,685 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:20:08,696 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:20:08,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:08,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:08,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:08,712 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 10:20:08,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:08,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:20:08,735 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:20:08,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08 WrapperNode [2022-12-14 10:20:08,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:20:08,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:20:08,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:20:08,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:20:08,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,763 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-14 10:20:08,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:20:08,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:20:08,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:20:08,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:20:08,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:20:08,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:20:08,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:20:08,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:20:08,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:08" (1/1) ... [2022-12-14 10:20:08,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:20:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:20:08,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:20:08,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:20:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 10:20:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 10:20:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:20:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:20:08,842 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 10:20:08,930 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:20:08,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:20:09,097 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:20:09,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:20:09,208 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:20:09,208 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 10:20:09,209 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) [2022-12-14 10:20:09,212 INFO L158 Benchmark]: Toolchain (without parser) took 775.41ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 82.0MB in the beginning and 115.0MB in the end (delta: -33.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-12-14 10:20:09,213 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:20:09,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.39ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 61.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 10:20:09,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.76ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 59.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:20:09,214 INFO L158 Benchmark]: Boogie Preprocessor took 16.77ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 58.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:20:09,214 INFO L158 Benchmark]: RCFGBuilder took 429.65ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 58.2MB in the beginning and 115.0MB in the end (delta: -56.9MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-12-14 10:20:09,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.39ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 61.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.76ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 59.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.77ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 58.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.65ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 58.2MB in the beginning and 115.0MB in the end (delta: -56.9MB). Peak memory consumption was 34.0MB. 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. [2022-12-14 10:20:09,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 10:20:10,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:20:10,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:20:10,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:20:10,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:20:10,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:20:10,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:20:10,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:20:10,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:20:10,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:20:10,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:20:10,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:20:10,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:20:10,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:20:10,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:20:10,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:20:10,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:20:10,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:20:10,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:20:10,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:20:10,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:20:10,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:20:10,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:20:10,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:20:10,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:20:10,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:20:10,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:20:10,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:20:10,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:20:10,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:20:10,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:20:10,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:20:10,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:20:10,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:20:10,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:20:10,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:20:10,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:20:10,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:20:10,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:20:10,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:20:10,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:20:10,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 10:20:10,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:20:10,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:20:10,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:20:10,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:20:10,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:20:10,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:20:10,878 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:20:10,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:20:10,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:20:10,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:20:10,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:20:10,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:20:10,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 10:20:10,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:20:10,880 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 10:20:10,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:20:10,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:20:10,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:20:10,882 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:20:10,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:20:10,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:20:10,883 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 10:20:11,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:20:11,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:20:11,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:20:11,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:20:11,144 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:20:11,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 10:20:13,644 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:20:13,837 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:20:13,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 10:20:13,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/d3aeba524/5daf3cb003bc4ccabeb407008ea08814/FLAGfaabd268d [2022-12-14 10:20:14,202 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/data/d3aeba524/5daf3cb003bc4ccabeb407008ea08814 [2022-12-14 10:20:14,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:20:14,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:20:14,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:20:14,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:20:14,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:20:14,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f65c118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14, skipping insertion in model container [2022-12-14 10:20:14,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:20:14,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:20:14,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:20:14,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:14,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:14,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:14,469 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 10:20:14,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:14,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:20:14,483 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:20:14,493 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 10:20:14,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:14,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:14,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 10:20:14,512 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_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 10:20:14,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 10:20:14,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:20:14,535 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:20:14,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14 WrapperNode [2022-12-14 10:20:14,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:20:14,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:20:14,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:20:14,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:20:14,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,566 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-14 10:20:14,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:20:14,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:20:14,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:20:14,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:20:14,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:20:14,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:20:14,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:20:14,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:20:14,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:20:14" (1/1) ... [2022-12-14 10:20:14,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:20:14,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:20:14,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:20:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:20:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 10:20:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 10:20:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 10:20:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:20:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:20:14,676 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 10:20:14,785 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:20:14,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:20:15,010 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:20:15,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:20:15,101 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 10:20:15,102 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 10:20:15,102 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) [2022-12-14 10:20:15,106 INFO L158 Benchmark]: Toolchain (without parser) took 900.10ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 57.0MB in the beginning and 65.1MB in the end (delta: -8.1MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-12-14 10:20:15,106 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:20:15,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.68ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 35.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 10:20:15,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.38ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 33.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 10:20:15,107 INFO L158 Benchmark]: Boogie Preprocessor took 35.03ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 33.7MB in the beginning and 98.4MB in the end (delta: -64.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-12-14 10:20:15,108 INFO L158 Benchmark]: RCFGBuilder took 501.83ms. Allocated memory is still 119.5MB. Free memory was 98.4MB in the beginning and 65.1MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 10:20:15,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 79.7MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.68ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 35.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.38ms. Allocated memory is still 79.7MB. Free memory was 35.8MB in the beginning and 33.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.03ms. Allocated memory was 79.7MB in the beginning and 119.5MB in the end (delta: 39.8MB). Free memory was 33.7MB in the beginning and 98.4MB in the end (delta: -64.7MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.83ms. Allocated memory is still 119.5MB. Free memory was 98.4MB in the beginning and 65.1MB in the end (delta: 33.4MB). Peak memory consumption was 33.6MB. 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. [2022-12-14 10:20:15,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b91aa532-f8c0-4b7b-9381-6c0179c9a8a5/bin/utaipan-gh47qXpMRh/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?