./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 ................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 ............................................................................................................................................................................................................. 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? --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:00:20,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:00:20,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:00:20,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:00:20,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:00:20,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:00:20,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:00:20,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:00:20,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:00:20,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:00:20,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:00:20,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:00:20,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:00:20,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:00:20,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:00:20,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:00:20,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:00:20,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:00:20,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:00:20,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:00:20,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:00:20,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:00:20,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:00:20,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:00:20,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:00:20,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:00:20,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:00:20,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:00:20,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:00:20,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:00:20,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:00:20,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:00:20,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:00:20,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:00:20,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:00:20,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:00:20,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:00:20,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:00:20,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:00:20,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:00:20,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:00:20,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:00:20,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:00:20,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:00:20,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:00:20,717 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:00:20,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:00:20,718 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:00:20,718 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:00:20,718 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:00:20,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:00:20,725 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:00:20,726 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:00:20,726 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:00:20,726 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:00:20,726 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:00:20,727 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:00:20,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:00:20,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:00:20,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:00:20,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:00:20,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:00:20,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:00:20,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:00:20,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:00:20,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:00:20,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:00:20,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:00:20,730 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:00:20,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:00:20,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:00:20,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:00:20,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:00:20,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:00:20,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:00:20,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:00:20,732 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:00:20,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:00:20,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:00:20,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:00:20,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:00:20,733 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-10-29 05:00:21,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:00:21,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:00:21,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:00:21,055 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:00:21,056 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:00:21,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-29 05:00:21,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c006c0103/187ca573f26b4877b38eb81d9233e55f/FLAG1f4c3fe98 [2021-10-29 05:00:21,728 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:00:21,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-29 05:00:21,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c006c0103/187ca573f26b4877b38eb81d9233e55f/FLAG1f4c3fe98 [2021-10-29 05:00:22,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c006c0103/187ca573f26b4877b38eb81d9233e55f [2021-10-29 05:00:22,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:00:22,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:00:22,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:00:22,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:00:22,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:00:22,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241e39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22, skipping insertion in model container [2021-10-29 05:00:22,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:00:22,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:00:22,344 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:00:22,510 WARN L228 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_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-29 05:00:22,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:00:22,524 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:00:22,538 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:00:22,559 WARN L228 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_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-29 05:00:22,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:00:22,599 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:00:22,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22 WrapperNode [2021-10-29 05:00:22,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:00:22,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:00:22,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:00:22,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:00:22,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:00:22,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:00:22,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:00:22,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:00:22,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:00:22,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:00:22,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:00:22,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:00:22,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:22" (1/1) ... [2021-10-29 05:00:22,718 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:00:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:00:22,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:00:22,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:00:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:00:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 05:00:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 05:00:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:00:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:00:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:00:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:00:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:00:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:00:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:00:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:00:22,790 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:00:23,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:00:23,335 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:00:23,339 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-10-29 05:00:23,340 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 05:00:23,345 INFO L168 Benchmark]: Toolchain (without parser) took 1294.57 ms. Allocated memory is still 98.6 MB. Free memory was 56.5 MB in the beginning and 45.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:23,346 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:00:23,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.32 ms. Allocated memory is still 98.6 MB. Free memory was 56.3 MB in the beginning and 65.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:23,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.40 ms. Allocated memory is still 98.6 MB. Free memory was 65.0 MB in the beginning and 63.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:00:23,348 INFO L168 Benchmark]: Boogie Preprocessor took 56.76 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 61.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:23,349 INFO L168 Benchmark]: RCFGBuilder took 635.61 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 45.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:23,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 74.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.32 ms. Allocated memory is still 98.6 MB. Free memory was 56.3 MB in the beginning and 65.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.40 ms. Allocated memory is still 98.6 MB. Free memory was 65.0 MB in the beginning and 63.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.76 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 61.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 635.61 ms. Allocated memory is still 98.6 MB. Free memory was 61.9 MB in the beginning and 45.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 05:00:23,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:00:25,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:00:25,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:00:26,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:00:26,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:00:26,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:00:26,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:00:26,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:00:26,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:00:26,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:00:26,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:00:26,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:00:26,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:00:26,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:00:26,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:00:26,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:00:26,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:00:26,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:00:26,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:00:26,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:00:26,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:00:26,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:00:26,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:00:26,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:00:26,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:00:26,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:00:26,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:00:26,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:00:26,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:00:26,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:00:26,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:00:26,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:00:26,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:00:26,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:00:26,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:00:26,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:00:26,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:00:26,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:00:26,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:00:26,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:00:26,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:00:26,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:00:26,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:00:26,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:00:26,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:00:26,131 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:00:26,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:00:26,131 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:00:26,132 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:00:26,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:00:26,132 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:00:26,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:00:26,135 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:00:26,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:00:26,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:00:26,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:00:26,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:00:26,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:00:26,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:00:26,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:00:26,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:00:26,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:00:26,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:00:26,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:00:26,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:00:26,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:00:26,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:00:26,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:00:26,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:00:26,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:00:26,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:00:26,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:00:26,140 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:00:26,141 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:00:26,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:00:26,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:00:26,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:00:26,142 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_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-10-29 05:00:26,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:00:26,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:00:26,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:00:26,628 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:00:26,629 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:00:26,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-29 05:00:26,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c9704d50c/266f20bcb94d44638ffe2d07b7151fc8/FLAG55c69de5c [2021-10-29 05:00:27,383 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:00:27,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-10-29 05:00:27,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c9704d50c/266f20bcb94d44638ffe2d07b7151fc8/FLAG55c69de5c [2021-10-29 05:00:27,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/data/c9704d50c/266f20bcb94d44638ffe2d07b7151fc8 [2021-10-29 05:00:27,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:00:27,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:00:27,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:00:27,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:00:27,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:00:27,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:00:27" (1/1) ... [2021-10-29 05:00:27,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d5bd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:27, skipping insertion in model container [2021-10-29 05:00:27,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:00:27" (1/1) ... [2021-10-29 05:00:27,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:00:27,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:00:27,865 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:00:28,110 WARN L228 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_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-29 05:00:28,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:00:28,145 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:00:28,181 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:00:28,210 WARN L228 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_107b08db-b774-4f31-9622-23666e387c0c/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-10-29 05:00:28,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:00:28,276 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:00:28,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28 WrapperNode [2021-10-29 05:00:28,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:00:28,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:00:28,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:00:28,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:00:28,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:00:28,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:00:28,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:00:28,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:00:28,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:00:28,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:00:28,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:00:28,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:00:28,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:00:28" (1/1) ... [2021-10-29 05:00:28,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:00:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:00:28,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:00:28,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:00:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-10-29 05:00:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 05:00:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:00:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-29 05:00:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:00:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:00:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:00:28,468 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:00:29,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:00:29,036 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:00:29,037 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-10-29 05:00:29,038 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 05:00:29,050 INFO L168 Benchmark]: Toolchain (without parser) took 1388.53 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 42.0 MB in the beginning and 66.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:29,051 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:00:29,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.28 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 36.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:29,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.40 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:29,053 INFO L168 Benchmark]: Boogie Preprocessor took 30.86 ms. Allocated memory is still 62.9 MB. Free memory was 34.7 MB in the beginning and 33.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:29,054 INFO L168 Benchmark]: RCFGBuilder took 656.90 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 33.1 MB in the beginning and 66.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:00:29,058 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.28 ms. Allocated memory is still 62.9 MB. Free memory was 41.8 MB in the beginning and 36.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.40 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.86 ms. Allocated memory is still 62.9 MB. Free memory was 34.7 MB in the beginning and 33.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 656.90 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 33.1 MB in the beginning and 66.7 MB in the end (delta: -33.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 05:00:29,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_107b08db-b774-4f31-9622-23666e387c0c/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...