./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:49:26,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:49:26,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:49:26,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:49:26,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:49:26,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:49:26,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:49:26,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:49:26,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:49:26,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:49:26,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:49:26,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:49:26,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:49:26,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:49:26,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:49:26,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:49:26,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:49:26,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:49:26,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:49:26,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:49:26,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:49:26,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:49:26,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:49:26,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:49:26,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:49:26,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:49:26,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:49:26,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:49:26,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:49:26,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:49:26,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:49:26,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:49:26,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:49:26,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:49:26,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:49:26,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:49:26,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:49:26,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:49:26,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:49:26,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:49:26,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:49:26,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:49:26,464 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:49:26,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:49:26,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:49:26,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:49:26,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:49:26,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:49:26,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:49:26,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:49:26,466 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:49:26,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:49:26,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:49:26,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:49:26,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:49:26,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:49:26,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:49:26,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:49:26,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:49:26,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:49:26,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:49:26,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:49:26,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:49:26,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:49:26,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:49:26,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:49:26,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:49:26,475 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:49:26,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:49:26,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:49:26,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:49:26,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 [2021-12-06 20:49:26,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:49:26,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:49:26,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:49:26,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:49:26,679 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:49:26,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-12-06 20:49:26,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/data/f9d319824/aebfd2062c594b18b3a990e1fe099119/FLAGe92dd36d0 [2021-12-06 20:49:27,155 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:49:27,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-12-06 20:49:27,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/data/f9d319824/aebfd2062c594b18b3a990e1fe099119/FLAGe92dd36d0 [2021-12-06 20:49:27,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/data/f9d319824/aebfd2062c594b18b3a990e1fe099119 [2021-12-06 20:49:27,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:49:27,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:49:27,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:49:27,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:49:27,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:49:27,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2e9688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27, skipping insertion in model container [2021-12-06 20:49:27,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:49:27,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:49:27,334 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 20:49:27,492 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-12-06 20:49:27,496 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-12-06 20:49:27,496 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-12-06 20:49:27,501 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-12-06 20:49:27,502 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-12-06 20:49:27,503 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-12-06 20:49:27,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:49:27,516 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:49:27,526 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-06 20:49:27,556 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-12-06 20:49:27,557 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-12-06 20:49:27,558 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-12-06 20:49:27,561 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-12-06 20:49:27,562 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-12-06 20:49:27,563 WARN L230 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_3e8aeba5-b46b-4428-8f3b-75c224a841ba/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-12-06 20:49:27,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:49:27,603 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:49:27,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27 WrapperNode [2021-12-06 20:49:27,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:49:27,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:49:27,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:49:27,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:49:27,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,652 INFO L137 Inliner]: procedures = 225, calls = 43, calls flagged for inlining = 10, calls inlined = 7, statements flattened = 113 [2021-12-06 20:49:27,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:49:27,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:49:27,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:49:27,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:49:27,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:49:27,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:49:27,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:49:27,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:49:27,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (1/1) ... [2021-12-06 20:49:27,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:49:27,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:49:27,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:49:27,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:49:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:49:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2021-12-06 20:49:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2021-12-06 20:49:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:49:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:49:27,746 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 20:49:27,839 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:49:27,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:49:28,004 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:49:28,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:49:28,012 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:49:28,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:49:28 BoogieIcfgContainer [2021-12-06 20:49:28,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:49:28,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:49:28,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:49:28,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:49:28,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:49:27" (1/3) ... [2021-12-06 20:49:28,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acb5b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:49:28, skipping insertion in model container [2021-12-06 20:49:28,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:49:27" (2/3) ... [2021-12-06 20:49:28,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acb5b31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:49:28, skipping insertion in model container [2021-12-06 20:49:28,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:49:28" (3/3) ... [2021-12-06 20:49:28,022 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2021-12-06 20:49:28,028 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 20:49:28,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:49:28,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 20:49:28,028 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 20:49:28,055 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,055 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,064 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,065 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,067 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,068 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,068 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,068 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,068 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,068 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,069 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,072 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,073 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,076 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,076 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,076 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,076 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,076 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,078 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,079 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,079 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,079 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,079 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,079 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,080 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,081 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,081 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,081 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,081 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,081 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,086 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,087 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,090 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,091 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,092 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,093 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,094 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 20:49:28,099 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-06 20:49:28,138 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:49:28,143 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-12-06 20:49:28,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-06 20:49:28,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 141 transitions, 290 flow [2021-12-06 20:49:28,194 INFO L129 PetriNetUnfolder]: 9/140 cut-off events. [2021-12-06 20:49:28,194 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 20:49:28,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 140 events. 9/140 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 248 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2021-12-06 20:49:28,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 141 transitions, 290 flow [2021-12-06 20:49:28,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 131 transitions, 265 flow [2021-12-06 20:49:28,216 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2021-12-06 20:49:28,216 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 20:49:28,216 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:49:28,217 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:49:28,217 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)] === [2021-12-06 20:49:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:49:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1380321614, now seen corresponding path program 1 times [2021-12-06 20:49:28,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:49:28,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658800172] [2021-12-06 20:49:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:49:28,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:49:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:49:28,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:49:28,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658800172] [2021-12-06 20:49:28,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658800172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:49:28,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:49:28,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:49:28,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864932893] [2021-12-06 20:49:28,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:49:28,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:49:28,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:49:28,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:49:28,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:49:28,416 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 141 [2021-12-06 20:49:28,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 131 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2021-12-06 20:49:28,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 20:49:28,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 141 [2021-12-06 20:49:28,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 20:49:28,462 INFO L129 PetriNetUnfolder]: 3/151 cut-off events. [2021-12-06 20:49:28,462 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 20:49:28,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 151 events. 3/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 155 event pairs, 0 based on Foata normal form. 18/162 useless extension candidates. Maximal degree in co-relation 127. Up to 7 conditions per place. [2021-12-06 20:49:28,464 INFO L132 encePairwiseOnDemand]: 132/141 looper letters, 7 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2021-12-06 20:49:28,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 277 flow [2021-12-06 20:49:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:49:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 20:49:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2021-12-06 20:49:28,475 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9550827423167849 [2021-12-06 20:49:28,476 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2021-12-06 20:49:28,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2021-12-06 20:49:28,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 20:49:28,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2021-12-06 20:49:28,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-12-06 20:49:28,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-12-06 20:49:28,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-12-06 20:49:28,490 INFO L186 Difference]: Start difference. First operand has 126 places, 131 transitions, 265 flow. Second operand 3 states and 404 transitions. [2021-12-06 20:49:28,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 277 flow [2021-12-06 20:49:28,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 128 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 20:49:28,497 INFO L242 Difference]: Finished difference. Result has 128 places, 126 transitions, 264 flow [2021-12-06 20:49:28,498 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=128, PETRI_TRANSITIONS=126} [2021-12-06 20:49:28,501 INFO L334 CegarLoopForPetriNet]: 126 programPoint places, 2 predicate places. [2021-12-06 20:49:28,501 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 126 transitions, 264 flow [2021-12-06 20:49:28,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2021-12-06 20:49:28,502 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 20:49:28,502 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:49:28,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:49:28,502 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)] === [2021-12-06 20:49:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:49:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1966319385, now seen corresponding path program 1 times [2021-12-06 20:49:28,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:49:28,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099900531] [2021-12-06 20:49:28,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:49:28,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:49:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:49:28,546 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:49:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:49:28,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:49:28,596 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:49:28,597 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-12-06 20:49:28,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-12-06 20:49:28,599 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-12-06 20:49:28,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2021-12-06 20:49:28,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 7 remaining) [2021-12-06 20:49:28,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-12-06 20:49:28,600 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-12-06 20:49:28,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:49:28,603 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-06 20:49:28,606 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-06 20:49:28,606 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:49:28,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:49:28 BasicIcfg [2021-12-06 20:49:28,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:49:28,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:49:28,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:49:28,652 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:49:28,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:49:28" (3/4) ... [2021-12-06 20:49:28,654 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 20:49:28,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:49:28,701 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:49:28,702 INFO L158 Benchmark]: Toolchain (without parser) took 1518.19ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 92.5MB in the beginning and 102.0MB in the end (delta: -9.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,702 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:49:28,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.25ms. Allocated memory is still 115.3MB. Free memory was 92.1MB in the beginning and 67.8MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.09ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,703 INFO L158 Benchmark]: Boogie Preprocessor took 28.96ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,704 INFO L158 Benchmark]: RCFGBuilder took 331.32ms. Allocated memory is still 115.3MB. Free memory was 63.4MB in the beginning and 81.5MB in the end (delta: -18.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,704 INFO L158 Benchmark]: TraceAbstraction took 635.72ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 81.2MB in the beginning and 109.1MB in the end (delta: -28.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,705 INFO L158 Benchmark]: Witness Printer took 48.96ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 102.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 20:49:28,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.25ms. Allocated memory is still 115.3MB. Free memory was 92.1MB in the beginning and 67.8MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.09ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.96ms. Allocated memory is still 115.3MB. Free memory was 65.2MB in the beginning and 63.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.32ms. Allocated memory is still 115.3MB. Free memory was 63.4MB in the beginning and 81.5MB in the end (delta: -18.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 635.72ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 81.2MB in the beginning and 109.1MB in the end (delta: -28.0MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 48.96ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 102.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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; VAL [reader={9:0}] [L865] 0 Ring r; VAL [r={8:0}, reader={9:0}] [L866] CALL 0 ring_init( &r ) [L823] EXPR 0 r->writer = 0 VAL [r={8:0}, r={8:0}] [L823] 0 r->reader = r->writer = 0 VAL [r={8:0}, r={8:0}] [L866] RET 0 ring_init( &r ) [L867] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) VAL [pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r )=-1, r={8:0}, reader={9:0}] [L851] 1 Ring *r = arg; VAL [arg={8:0}, arg={8:0}, r={8:0}] [L852] 1 long val = 0, last = 0, i = 0; VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=0] [L853] COND TRUE 1 i < 8 VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=0] [L854] CALL, EXPR 1 ring_dequeue( r ) [L815] EXPR 1 r->reader VAL [r={8:0}, r={8:0}, r->reader=0] [L815] EXPR 1 r->q[ r->reader ] VAL [r={8:0}, r={8:0}, r->q[ r->reader ]=-2, r->reader=0] [L815] 1 long x = r->q[ r->reader ]; VAL [r={8:0}, r={8:0}, r->q[ r->reader ]=-2, r->reader=0, x=-2] [L816] EXPR 1 r->reader VAL [r={8:0}, r={8:0}, r->reader=0, x=-2] [L816] 1 r->reader = (r->reader + 1) % 4 VAL [r={8:0}, r={8:0}, r->reader=0, x=-2] [L817] 1 return x; VAL [\result=-2, r={8:0}, r={8:0}, x=-2] [L854] RET, EXPR 1 ring_dequeue( r ) [L854] 1 val = ring_dequeue( r ) VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, ring_dequeue( r )=-2, val=-2] [L855] 1 !(val == last + 1) ? reach_error() : (void)0 VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=-2] [L855] 1 reach_error() VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=-2] - 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, 188 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 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! [2021-12-06 20:49:28,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8aeba5-b46b-4428-8f3b-75c224a841ba/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE