./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --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 [2022-12-13 08:53:21,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:53:21,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:53:21,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:53:21,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:53:21,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:53:21,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:53:21,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:53:21,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:53:21,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:53:21,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:53:21,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:53:21,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:53:21,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:53:21,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:53:21,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:53:21,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:53:21,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:53:21,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:53:21,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:53:21,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:53:21,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:53:21,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:53:21,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:53:21,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:53:21,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:53:21,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:53:21,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:53:21,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:53:21,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:53:21,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:53:21,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:53:21,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:53:21,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:53:21,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:53:21,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:53:21,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:53:21,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:53:21,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:53:21,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:53:21,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:53:21,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-12-13 08:53:21,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:53:21,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:53:21,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:53:21,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:53:21,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:53:21,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:53:21,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:53:21,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:53:21,709 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:53:21,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:53:21,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:53:21,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:53:21,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:21,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:53:21,711 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:53:21,712 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:53:21,712 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-13 08:53:21,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:53:21,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:53:21,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:53:21,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:53:21,917 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:53:21,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-13 08:53:24,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:53:24,685 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:53:24,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-13 08:53:24,694 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/4958172f5/76c46a1f6dbe453f8632b7c67b431b7d/FLAGda5e39326 [2022-12-13 08:53:25,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/4958172f5/76c46a1f6dbe453f8632b7c67b431b7d [2022-12-13 08:53:25,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:53:25,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:53:25,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:25,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:53:25,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:53:25,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc2a035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25, skipping insertion in model container [2022-12-13 08:53:25,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:53:25,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:53:25,237 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:53:25,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:25,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:25,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:25,350 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-13 08:53:25,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:25,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:25,363 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:53:25,377 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:53:25,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:25,399 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:25,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:25,400 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-13 08:53:25,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:25,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:25,431 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:53:25,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25 WrapperNode [2022-12-13 08:53:25,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:25,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:25,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:53:25,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:53:25,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,470 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-13 08:53:25,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:25,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:53:25,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:53:25,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:53:25,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:53:25,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:53:25,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:53:25,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:53:25,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:25" (1/1) ... [2022-12-13 08:53:25,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:25,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:25,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:53:25,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 08:53:25,555 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:53:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:53:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:53:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:53:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 08:53:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:53:25,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:53:25,557 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:53:25,661 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:53:25,663 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:53:25,785 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:53:25,844 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:53:25,844 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 08:53:25,845 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-13 08:53:25,846 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) [2022-12-13 08:53:25,849 INFO L158 Benchmark]: Toolchain (without parser) took 789.11ms. Allocated memory is still 136.3MB. Free memory was 101.4MB in the beginning and 61.1MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-13 08:53:25,849 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:53:25,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.60ms. Allocated memory is still 136.3MB. Free memory was 101.0MB in the beginning and 81.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 08:53:25,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:53:25,851 INFO L158 Benchmark]: Boogie Preprocessor took 23.35ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:53:25,851 INFO L158 Benchmark]: RCFGBuilder took 352.35ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 61.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 08:53:25,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.60ms. Allocated memory is still 136.3MB. Free memory was 101.0MB in the beginning and 81.6MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.35ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.35ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 61.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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. [2022-12-13 08:53:25,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --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 [2022-12-13 08:53:27,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:53:27,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:53:27,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:53:27,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:53:27,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:53:27,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:53:27,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:53:27,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:53:27,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:53:27,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:53:27,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:53:27,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:53:27,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:53:27,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:53:27,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:53:27,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:53:27,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:53:27,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:53:27,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:53:27,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:53:27,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:53:27,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:53:27,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:53:27,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:53:27,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:53:27,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:53:27,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:53:27,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:53:27,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:53:27,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:53:27,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:53:27,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:53:27,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:53:27,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:53:27,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:53:27,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:53:27,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:53:27,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:53:27,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:53:27,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:53:27,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf [2022-12-13 08:53:27,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:53:27,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:53:27,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:53:27,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:53:27,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:53:27,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:53:27,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:53:27,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:53:27,719 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:53:27,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:53:27,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:53:27,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:53:27,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:53:27,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:53:27,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:53:27,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:27,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:53:27,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:53:27,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:53:27,723 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 08:53:27,723 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:53:27,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 08:53:27,733 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:53:27,733 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:53:27,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:53:27,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:53:27,734 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:53:27,734 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:53:27,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 08:53:27,734 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-13 08:53:27,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:53:27,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:53:27,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:53:27,976 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:53:27,976 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:53:27,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-13 08:53:30,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:53:30,785 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:53:30,786 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-13 08:53:30,797 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/02e843ecd/32d98134cc594adaad1bbbc10c4380d4/FLAGd9ac53064 [2022-12-13 08:53:30,811 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/data/02e843ecd/32d98134cc594adaad1bbbc10c4380d4 [2022-12-13 08:53:30,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:53:30,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:53:30,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:30,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:53:30,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:53:30,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:30" (1/1) ... [2022-12-13 08:53:30,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d95833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:30, skipping insertion in model container [2022-12-13 08:53:30,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:53:30" (1/1) ... [2022-12-13 08:53:30,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:53:30,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:53:30,963 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:53:31,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:31,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:31,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:31,040 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-13 08:53:31,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:31,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:31,054 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:53:31,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 08:53:31,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:31,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:31,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:53:31,084 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_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-13 08:53:31,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:53:31,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:53:31,108 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:53:31,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31 WrapperNode [2022-12-13 08:53:31,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:53:31,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:31,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:53:31,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:53:31,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,140 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-13 08:53:31,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:53:31,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:53:31,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:53:31,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:53:31,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:53:31,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:53:31,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:53:31,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:53:31,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:53:31" (1/1) ... [2022-12-13 08:53:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:53:31,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:53:31,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:53:31,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:53:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 08:53:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 08:53:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 08:53:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 08:53:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 08:53:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:53:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:53:31,237 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:53:31,335 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:53:31,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:53:31,476 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:53:31,537 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:53:31,537 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 08:53:31,538 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-13 08:53:31,539 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) [2022-12-13 08:53:31,542 INFO L158 Benchmark]: Toolchain (without parser) took 726.95ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 42.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-12-13 08:53:31,543 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 81.8MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:53:31,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.99ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 37.3MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 08:53:31,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.03ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 35.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:53:31,545 INFO L158 Benchmark]: Boogie Preprocessor took 31.86ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 60.5MB in the end (delta: -25.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-12-13 08:53:31,545 INFO L158 Benchmark]: RCFGBuilder took 367.53ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 42.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 08:53:31,548 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 81.8MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.99ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 37.3MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.03ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 35.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.86ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 60.5MB in the end (delta: -25.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 367.53ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 42.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. 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. [2022-12-13 08:53:31,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6bb86fb-2ac6-49cc-aadc-0e30078eebb5/bin/ugemcutter-rbreBovr8w/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?