./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs --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 91b38ad7ab67d81aafbb5fd4f68820f19b8e6fc7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:54:45,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:54:45,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:54:45,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:54:45,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:54:45,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:54:45,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:54:45,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:54:45,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:54:45,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:54:45,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:54:45,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:54:45,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:54:45,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:54:45,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:54:45,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:54:45,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:54:45,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:54:45,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:54:45,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:54:45,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:54:45,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:54:45,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:54:45,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:54:45,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:54:45,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:54:45,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:54:45,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:54:45,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:54:45,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:54:45,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:54:45,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:54:45,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:54:45,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:54:45,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:54:45,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:54:45,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:54:45,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:54:45,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:54:45,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:54:45,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:54:45,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:54:45,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:54:45,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:54:45,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:54:45,653 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:54:45,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:54:45,654 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:54:45,655 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:54:45,655 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:54:45,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:54:45,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:54:45,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:54:45,657 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:54:45,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:54:45,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:54:45,658 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:54:45,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:54:45,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:54:45,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:54:45,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:54:45,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:54:45,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:54:45,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:54:45,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:54:45,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:54:45,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:54:45,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:54:45,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:54:45,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:54:45,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:54:45,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:54:45,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:45,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:54:45,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:54:45,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:54:45,666 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:54:45,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:54:45,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:54:45,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:54:45,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:54:45,668 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91b38ad7ab67d81aafbb5fd4f68820f19b8e6fc7 [2021-10-16 02:54:45,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:54:45,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:54:45,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:54:45,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:54:45,994 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:54:45,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-10-16 02:54:46,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/data/6cee19bf9/d5aa803f8a8f4bbb9834604aa474e5e0/FLAG5203ca33f [2021-10-16 02:54:46,837 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:54:46,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-10-16 02:54:46,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/data/6cee19bf9/d5aa803f8a8f4bbb9834604aa474e5e0/FLAG5203ca33f [2021-10-16 02:54:47,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/data/6cee19bf9/d5aa803f8a8f4bbb9834604aa474e5e0 [2021-10-16 02:54:47,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:54:47,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:54:47,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:47,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:54:47,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:54:47,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:47,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cec0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47, skipping insertion in model container [2021-10-16 02:54:47,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:47,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:54:47,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:54:47,388 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-16 02:54:47,765 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-10-16 02:54:47,771 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-10-16 02:54:47,772 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-10-16 02:54:47,779 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-10-16 02:54:47,780 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-10-16 02:54:47,781 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-10-16 02:54:47,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:47,798 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:54:47,814 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-16 02:54:47,852 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-10-16 02:54:47,853 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-10-16 02:54:47,855 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-10-16 02:54:47,859 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-10-16 02:54:47,861 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-10-16 02:54:47,862 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_9dae3696-b06e-4bf9-8d66-14063fef3cef/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-10-16 02:54:47,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:47,942 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:54:47,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47 WrapperNode [2021-10-16 02:54:47,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:47,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:47,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:54:47,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:54:47,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:47,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:48,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:54:48,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:54:48,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:54:48,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:54:48,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:54:48,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:54:48,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:54:48,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (1/1) ... [2021-10-16 02:54:48,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:48,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:54:48,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:54:48,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:54:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:54:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:54:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:54:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:54:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:54:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2021-10-16 02:54:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2021-10-16 02:54:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:54:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:54:48,164 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-16 02:54:48,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:54:48,615 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-10-16 02:54:48,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:48 BoogieIcfgContainer [2021-10-16 02:54:48,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:54:48,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:54:48,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:54:48,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:54:48,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:54:47" (1/3) ... [2021-10-16 02:54:48,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33308130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:48, skipping insertion in model container [2021-10-16 02:54:48,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:47" (2/3) ... [2021-10-16 02:54:48,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33308130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:48, skipping insertion in model container [2021-10-16 02:54:48,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:48" (3/3) ... [2021-10-16 02:54:48,628 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2021-10-16 02:54:48,635 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-16 02:54:48,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:54:48,636 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:54:48,636 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-16 02:54:48,710 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,710 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,710 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,711 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,711 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,711 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,712 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,712 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,712 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,712 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,713 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,713 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,713 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,713 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,714 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,714 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,714 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,715 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,715 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,715 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,716 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,716 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,716 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,717 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,717 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,717 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,718 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,718 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,718 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,718 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,719 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,719 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,719 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,719 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,720 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,720 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,720 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,721 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,721 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,722 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,722 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,722 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,723 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,723 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,723 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,723 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,724 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,724 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,725 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,725 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,725 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,725 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,726 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,726 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,726 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,727 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,727 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,727 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,728 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,728 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,728 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,728 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,729 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,729 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,729 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,730 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,730 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,730 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,730 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,731 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,731 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,731 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,732 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,732 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,732 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,733 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,733 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,733 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,733 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,734 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,734 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,734 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,735 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,735 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,735 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,736 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,736 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,736 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,736 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,737 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,737 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,737 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,738 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,739 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,739 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,739 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,739 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,740 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,745 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,746 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,746 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,746 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,747 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,747 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,747 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,747 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,748 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,748 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,748 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,749 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,749 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,749 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,750 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,750 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,750 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,750 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,751 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,757 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,757 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,758 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,758 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,758 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,759 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,759 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,759 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,759 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,760 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,760 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,760 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,761 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,761 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,761 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,761 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,762 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,762 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,762 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,763 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,763 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,763 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,763 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,764 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,766 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,767 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,767 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,768 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,768 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,768 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,769 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,771 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,772 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,772 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,772 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,773 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,773 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,773 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,775 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,775 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,775 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,776 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,776 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,776 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,777 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,777 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,777 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,778 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,779 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,779 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,780 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,780 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,781 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,783 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,783 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,784 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,785 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,785 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,785 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,786 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,786 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,786 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,786 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,787 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,787 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,787 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,787 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,788 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,788 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,788 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,789 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,789 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,790 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,790 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,790 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,791 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,791 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,791 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,791 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,796 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,797 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,797 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,798 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,799 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,803 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,804 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,804 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,804 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,805 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,806 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,807 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,807 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,808 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,816 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,816 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,817 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,817 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,817 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,818 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,819 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,819 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,819 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,820 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,828 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,828 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,829 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,829 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-16 02:54:48,839 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-16 02:54:48,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:54:48,930 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:54:48,930 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-16 02:54:48,950 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-16 02:54:48,973 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 127 transitions, 262 flow [2021-10-16 02:54:48,983 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 127 transitions, 262 flow [2021-10-16 02:54:48,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 127 transitions, 262 flow [2021-10-16 02:54:49,128 INFO L129 PetriNetUnfolder]: 9/126 cut-off events. [2021-10-16 02:54:49,128 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-16 02:54:49,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 126 events. 9/126 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 220 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2021-10-16 02:54:49,143 INFO L116 LiptonReduction]: Number of co-enabled transitions 3996 [2021-10-16 02:54:55,183 INFO L131 LiptonReduction]: Checked pairs total: 5809 [2021-10-16 02:54:55,184 INFO L133 LiptonReduction]: Total number of compositions: 129 [2021-10-16 02:54:55,193 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 27 transitions, 62 flow [2021-10-16 02:54:55,211 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:54:55,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:54:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 02:54:55,220 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:54:55,220 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 02:54:55,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-16 02:54:55,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:54:55,228 INFO L82 PathProgramCache]: Analyzing trace with hash 15666494, now seen corresponding path program 1 times [2021-10-16 02:54:55,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:54:55,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225259138] [2021-10-16 02:54:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:54:55,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:54:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:54:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:54:55,472 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:54:55,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225259138] [2021-10-16 02:54:55,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225259138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:54:55,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:54:55,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:54:55,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880002533] [2021-10-16 02:54:55,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:54:55,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:54:55,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:54:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:54:55,503 INFO L87 Difference]: Start difference. First operand has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:54:55,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:54:55,550 INFO L93 Difference]: Finished difference Result 128 states and 268 transitions. [2021-10-16 02:54:55,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:54:55,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-16 02:54:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:54:55,566 INFO L225 Difference]: With dead ends: 128 [2021-10-16 02:54:55,566 INFO L226 Difference]: Without dead ends: 128 [2021-10-16 02:54:55,567 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:54:55,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-16 02:54:55,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2021-10-16 02:54:55,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 2.157303370786517) internal successors, (192), 91 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:54:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2021-10-16 02:54:55,619 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2021-10-16 02:54:55,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:54:55,620 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2021-10-16 02:54:55,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:54:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2021-10-16 02:54:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-16 02:54:55,622 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:54:55,622 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:54:55,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:54:55,623 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-16 02:54:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:54:55,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1429573766, now seen corresponding path program 1 times [2021-10-16 02:54:55,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:54:55,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478683404] [2021-10-16 02:54:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:54:55,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:54:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:55,690 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:54:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:55,762 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:54:55,763 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:54:55,765 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-16 02:54:55,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,769 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:54:55,778 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-16 02:54:55,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:54:55,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:54:55 BasicIcfg [2021-10-16 02:54:55,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:54:55,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:54:55,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:54:55,808 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:54:55,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:48" (3/4) ... [2021-10-16 02:54:55,811 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:54:55,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:54:55,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:54:55,867 INFO L168 Benchmark]: Toolchain (without parser) took 8792.06 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 85.7 MB in the beginning and 83.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,868 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 115.3 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:55,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.87 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 85.5 MB in the beginning and 110.8 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 108.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,870 INFO L168 Benchmark]: Boogie Preprocessor took 41.66 ms. Allocated memory is still 153.1 MB. Free memory was 108.4 MB in the beginning and 106.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,870 INFO L168 Benchmark]: RCFGBuilder took 560.44 ms. Allocated memory is still 153.1 MB. Free memory was 106.6 MB in the beginning and 92.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,871 INFO L168 Benchmark]: TraceAbstraction took 7186.24 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 91.9 MB in the beginning and 86.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,872 INFO L168 Benchmark]: Witness Printer took 57.30 ms. Allocated memory is still 184.5 MB. Free memory was 86.3 MB in the beginning and 83.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:55,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 115.3 MB. Free memory is still 71.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 865.87 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 85.5 MB in the beginning and 110.8 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.51 ms. Allocated memory is still 153.1 MB. Free memory was 110.8 MB in the beginning and 108.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.66 ms. Allocated memory is still 153.1 MB. Free memory was 108.4 MB in the beginning and 106.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 560.44 ms. Allocated memory is still 153.1 MB. Free memory was 106.6 MB in the beginning and 92.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7186.24 ms. Allocated memory was 153.1 MB in the beginning and 184.5 MB in the end (delta: 31.5 MB). Free memory was 91.9 MB in the beginning and 86.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 57.30 ms. Allocated memory is still 184.5 MB. Free memory was 86.3 MB in the beginning and 83.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6201.3ms, 122 PlacesBefore, 26 PlacesAfterwards, 127 TransitionsBefore, 27 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 129 TotalNumberOfCompositions, 5809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4415, positive: 4243, positive conditional: 0, positive unconditional: 4243, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2980, positive: 2923, positive conditional: 0, positive unconditional: 2923, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2980, positive: 2910, positive conditional: 0, positive unconditional: 2910, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 234, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 221, negative conditional: 0, negative unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4415, positive: 1320, positive conditional: 0, positive unconditional: 1320, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 2980, unknown conditional: 0, unknown unconditional: 2980] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 855]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L864] 0 pthread_t reader; [L865] 0 Ring r; [L823] EXPR 0 r->writer = 0 [L823] 0 r->reader = r->writer = 0 [L867] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L851] 1 Ring *r = arg; [L852] 1 long val = 0, last = 0, i = 0; [L853] COND TRUE 1 i < 8 [L815] EXPR 1 r->reader [L815] EXPR 1 r->q[ r->reader ] [L815] 1 long x = r->q[ r->reader ]; [L816] EXPR 1 r->reader [L816] 1 r->reader = (r->reader + 1) % 4 [L817] 1 return x; [L854] 1 val = ring_dequeue( r ) [L855] 1 !(val == last + 1) ? reach_error() : (void)0 [L855] 1 reach_error() - UnprovableResult [Line: 859]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 170 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6853.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 84.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6280.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 29 SDtfs, 14 SDslu, 15 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 34.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.9ms SsaConstructionTime, 91.5ms SatisfiabilityAnalysisTime, 87.6ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-16 02:54:55,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dae3696-b06e-4bf9-8d66-14063fef3cef/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...