./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 ............................................................................................................................................................................................................ 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 .................................................................................................................................................................................................................... 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 02:57:19,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:57:19,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:57:19,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:57:19,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:57:19,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:57:19,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:57:19,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:57:19,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:57:19,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:57:19,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:57:19,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:57:19,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:57:19,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:57:19,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:57:19,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:57:19,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:57:19,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:57:19,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:57:19,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:57:19,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:57:19,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:57:19,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:57:19,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:57:19,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:57:19,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:57:19,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:57:19,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:57:19,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:57:19,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:57:19,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:57:19,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:57:19,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:57:19,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:57:19,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:57:19,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:57:19,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:57:19,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:57:19,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:57:19,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:57:19,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:57:19,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:57:19,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:57:19,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:57:19,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:57:19,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:57:19,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:57:19,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:57:19,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:57:19,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:57:19,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:57:19,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:57:19,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:57:19,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:57:19,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:57:19,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:57:19,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:57:19,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:57:19,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:57:19,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:57:19,704 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:57:19,704 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:57:19,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:57:19,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:19,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:57:19,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:57:19,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:57:19,706 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:57:19,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:57:19,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:57:19,707 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2021-10-29 02:57:20,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:57:20,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:57:20,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:57:20,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:57:20,051 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:57:20,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-10-29 02:57:20,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/982d600f1/7bb7747b5f69457eaf6d0784247e91c6/FLAG872a60e1a [2021-10-29 02:57:20,639 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:57:20,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-10-29 02:57:20,659 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/982d600f1/7bb7747b5f69457eaf6d0784247e91c6/FLAG872a60e1a [2021-10-29 02:57:21,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/982d600f1/7bb7747b5f69457eaf6d0784247e91c6 [2021-10-29 02:57:21,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:57:21,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:57:21,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:21,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:57:21,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:57:21,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8a64c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21, skipping insertion in model container [2021-10-29 02:57:21,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:57:21,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:57:21,387 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-10-29 02:57:21,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:21,423 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:57:21,481 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-10-29 02:57:21,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:21,519 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:57:21,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21 WrapperNode [2021-10-29 02:57:21,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:21,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:21,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:57:21,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:57:21,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:21,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:57:21,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:57:21,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:57:21,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:57:21,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:57:21,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:57:21,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:57:21,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:21" (1/1) ... [2021-10-29 02:57:21,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:57:21,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:57:21,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:57:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:57:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:57:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:57:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:57:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 02:57:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 02:57:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:57:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:57:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:57:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:57:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:57:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-10-29 02:57:21,823 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-10-29 02:57:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:57:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:57:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 02:57:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:57:21,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:57:21,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:57:21,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:57:21,827 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 02:57:22,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:57:22,740 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 02:57:22,741 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-10-29 02:57:22,742 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 02:57:22,748 INFO L168 Benchmark]: Toolchain (without parser) took 1736.62 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 49.3 MB in the beginning and 49.9 MB in the end (delta: -682.7 kB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:22,749 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:22,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.96 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 49.0 MB in the beginning and 77.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:22,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.60 ms. Allocated memory is still 102.8 MB. Free memory was 76.7 MB in the beginning and 75.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:22,752 INFO L168 Benchmark]: Boogie Preprocessor took 96.71 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 73.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:22,754 INFO L168 Benchmark]: RCFGBuilder took 1037.24 ms. Allocated memory is still 102.8 MB. Free memory was 73.5 MB in the beginning and 49.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:22,759 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 83.9 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 508.96 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 49.0 MB in the beginning and 77.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.60 ms. Allocated memory is still 102.8 MB. Free memory was 76.7 MB in the beginning and 75.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 96.71 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 73.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1037.24 ms. Allocated memory is still 102.8 MB. Free memory was 73.5 MB in the beginning and 49.9 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 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 02:57:22,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:57:25,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:57:25,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:57:25,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:57:25,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:57:25,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:57:25,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:57:25,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:57:25,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:57:25,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:57:25,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:57:25,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:57:25,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:57:25,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:57:25,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:57:25,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:57:25,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:57:25,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:57:25,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:57:25,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:57:25,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:57:25,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:57:25,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:57:25,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:57:25,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:57:25,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:57:25,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:57:25,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:57:25,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:57:25,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:57:25,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:57:25,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:57:25,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:57:25,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:57:25,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:57:25,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:57:25,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:57:25,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:57:25,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:57:25,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:57:25,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:57:25,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 02:57:25,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:57:25,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:57:25,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:57:25,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:57:25,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:57:25,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:57:25,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:57:25,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:57:25,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:57:25,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:57:25,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:57:25,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:57:25,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:57:25,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 02:57:25,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:57:25,656 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:57:25,656 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:57:25,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:57:25,657 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:57:25,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:57:25,657 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:57:25,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:57:25,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:57:25,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:25,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:57:25,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:57:25,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:57:25,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 02:57:25,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:57:25,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:57:25,660 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 02:57:25,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:57:25,661 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6990ac65798f2c5a95ce01b01bd39640075d7bea37e69dff3da0d3d7c4b56ab2 [2021-10-29 02:57:26,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:57:26,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:57:26,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:57:26,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:57:26,210 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:57:26,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-10-29 02:57:26,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/e7eab20f1/a46be0c13a73470f9c26dd30eeb5f4a3/FLAG1d56bef71 [2021-10-29 02:57:27,020 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:57:27,024 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2021-10-29 02:57:27,036 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/e7eab20f1/a46be0c13a73470f9c26dd30eeb5f4a3/FLAG1d56bef71 [2021-10-29 02:57:27,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/data/e7eab20f1/a46be0c13a73470f9c26dd30eeb5f4a3 [2021-10-29 02:57:27,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:57:27,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:57:27,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:27,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:57:27,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:57:27,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159add72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27, skipping insertion in model container [2021-10-29 02:57:27,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:57:27,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:57:27,589 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-10-29 02:57:27,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:27,615 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 02:57:27,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:57:27,706 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-10-29 02:57:27,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:27,726 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:57:27,780 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_6ade9e0c-d189-4c94-999c-27a3d450a5d6/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2021-10-29 02:57:27,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:57:27,818 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:57:27,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27 WrapperNode [2021-10-29 02:57:27,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:57:27,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:27,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:57:27,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:57:27,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:57:27,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:57:27,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:57:27,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:57:27,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:57:27,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:57:27,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:57:27,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:57:27,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:57:27" (1/1) ... [2021-10-29 02:57:27,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:57:27,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:57:27,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:57:27,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:57:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 02:57:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-10-29 02:57:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-10-29 02:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 02:57:28,015 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:57:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:57:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:57:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:57:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 02:57:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 02:57:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 02:57:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 02:57:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:57:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:57:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 02:57:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:57:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:57:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:57:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 02:57:28,023 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 02:57:29,061 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:57:29,061 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-29 02:57:29,063 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-10-29 02:57:29,064 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 02:57:29,069 INFO L168 Benchmark]: Toolchain (without parser) took 1735.70 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 54.6 MB in the beginning and 79.2 MB in the end (delta: -24.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:29,070 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:57:29,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.70 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 53.9 MB in the end (delta: 551.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:29,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.72 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 52.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:29,074 INFO L168 Benchmark]: Boogie Preprocessor took 43.54 ms. Allocated memory is still 73.4 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:29,075 INFO L168 Benchmark]: RCFGBuilder took 1152.40 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 50.4 MB in the beginning and 79.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:57:29,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 73.4 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 479.70 ms. Allocated memory is still 73.4 MB. Free memory was 54.4 MB in the beginning and 53.9 MB in the end (delta: 551.8 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.72 ms. Allocated memory is still 73.4 MB. Free memory was 53.9 MB in the beginning and 52.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.54 ms. Allocated memory is still 73.4 MB. Free memory was 52.2 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1152.40 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 50.4 MB in the beginning and 79.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 23.6 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 02:57:29,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ade9e0c-d189-4c94-999c-27a3d450a5d6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...