./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:15:32,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:15:32,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:15:32,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:15:32,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:15:32,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:15:32,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:15:32,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:15:32,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:15:32,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:15:32,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:15:32,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:15:32,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:15:32,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:15:32,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:15:32,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:15:32,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:15:32,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:15:32,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:15:32,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:15:32,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:15:32,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:15:32,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:15:32,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:15:32,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:15:32,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:15:32,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:15:32,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:15:32,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:15:32,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:15:32,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:15:32,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:15:32,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:15:32,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:15:32,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:15:32,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:15:32,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:15:32,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:15:32,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:15:32,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:15:32,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:15:32,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:15:32,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:15:32,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:15:32,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:15:32,724 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:15:32,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:15:32,725 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:15:32,725 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:15:32,725 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:15:32,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:15:32,726 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:15:32,726 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:15:32,726 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:15:32,726 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:15:32,727 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:15:32,727 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:15:32,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:15:32,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:15:32,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:15:32,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:15:32,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:15:32,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:15:32,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:15:32,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:15:32,730 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:15:32,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:15:32,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:15:32,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:15:32,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:15:32,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:15:32,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:15:32,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:15:32,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:15:32,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:15:32,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:15:32,733 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:15:32,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:15:32,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:15:32,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:15:32,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:15:32,734 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 [2021-10-29 05:15:33,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:15:33,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:15:33,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:15:33,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:15:33,157 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:15:33,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-10-29 05:15:33,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/data/149feac54/03fda98a1fa24c79bbd584183787d04c/FLAG3a2e4fa2c [2021-10-29 05:15:33,966 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:15:33,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-10-29 05:15:33,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/data/149feac54/03fda98a1fa24c79bbd584183787d04c/FLAG3a2e4fa2c [2021-10-29 05:15:34,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/data/149feac54/03fda98a1fa24c79bbd584183787d04c [2021-10-29 05:15:34,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:15:34,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:15:34,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:15:34,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:15:34,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:15:34,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:15:34" (1/1) ... [2021-10-29 05:15:34,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381dfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:34, skipping insertion in model container [2021-10-29 05:15:34,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:15:34" (1/1) ... [2021-10-29 05:15:34,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:15:34,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:15:34,623 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:15:35,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-10-29 05:15:35,043 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-10-29 05:15:35,044 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-10-29 05:15:35,055 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-10-29 05:15:35,059 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-10-29 05:15:35,060 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-10-29 05:15:35,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:15:35,080 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:15:35,102 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-10-29 05:15:35,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-10-29 05:15:35,160 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-10-29 05:15:35,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-10-29 05:15:35,171 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-10-29 05:15:35,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-10-29 05:15:35,174 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-10-29 05:15:35,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:15:35,259 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:15:35,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35 WrapperNode [2021-10-29 05:15:35,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:15:35,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:15:35,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:15:35,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:15:35,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:15:35,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:15:35,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:15:35,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:15:35,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:15:35,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:15:35,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:15:35,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:15:35,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (1/1) ... [2021-10-29 05:15:35,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:15:35,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:15:35,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:15:35,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:15:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:15:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:15:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:15:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:15:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:15:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2021-10-29 05:15:35,510 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2021-10-29 05:15:35,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:15:35,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:15:35,512 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:15:36,092 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:15:36,092 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-10-29 05:15:36,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:15:36 BoogieIcfgContainer [2021-10-29 05:15:36,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:15:36,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:15:36,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:15:36,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:15:36,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:15:34" (1/3) ... [2021-10-29 05:15:36,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2bfb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:15:36, skipping insertion in model container [2021-10-29 05:15:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:15:35" (2/3) ... [2021-10-29 05:15:36,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2bfb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:15:36, skipping insertion in model container [2021-10-29 05:15:36,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:15:36" (3/3) ... [2021-10-29 05:15:36,124 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2021-10-29 05:15:36,130 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:15:36,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:15:36,131 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 05:15:36,131 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:15:36,169 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,169 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,169 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,170 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,170 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,170 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,171 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,171 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,171 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,172 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,172 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,172 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,172 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,173 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,173 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,173 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,173 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,174 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,174 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,174 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,175 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,175 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,175 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,175 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,176 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,176 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,176 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,176 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,177 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,177 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,177 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,177 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,177 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,178 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,178 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,178 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,179 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,179 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,179 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,179 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,180 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,180 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,180 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,180 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,181 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,181 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,181 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,181 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,182 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,182 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,182 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,182 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,183 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,183 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,183 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,183 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,184 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,184 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,184 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,184 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,184 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,185 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,185 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,185 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,185 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,186 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,186 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,186 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,186 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,187 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,187 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,188 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,190 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,193 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,194 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,194 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,194 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,195 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,196 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,196 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,197 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,198 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,202 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,202 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,202 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,202 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,203 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,203 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,203 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,203 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,203 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,204 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,204 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,204 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,205 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,205 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,205 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,205 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,206 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,206 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,206 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,206 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,207 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,207 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,207 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,207 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,208 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,208 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,208 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,208 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,209 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,209 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,209 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,209 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,209 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,210 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,211 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,211 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,211 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,211 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,211 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,212 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,212 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,212 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,212 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,212 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,213 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,213 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,213 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,213 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,213 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,214 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,214 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,214 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,214 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,214 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,215 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,215 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,215 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,215 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,215 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,216 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,216 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,216 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,216 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,216 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,217 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,217 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,217 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,217 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,217 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,218 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,219 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,219 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,219 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,219 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,219 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,220 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,220 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,220 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,220 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,220 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,221 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,221 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,221 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,221 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,221 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,222 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,222 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,222 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,222 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,222 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,223 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,223 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,223 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,223 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,223 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,224 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,224 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,224 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,224 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,224 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,225 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,225 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,225 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,225 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,228 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,229 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,229 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,229 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,229 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,230 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,230 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~val~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,230 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,230 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,230 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~last~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,231 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,232 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,232 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_empty_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,232 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,232 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,232 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,233 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,234 WARN L313 ript$VariableManager]: TermVariabe reader_nowait_fnThread1of1ForFork0_~r~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:15:36,241 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-29 05:15:36,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:15:36,310 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:15:36,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-29 05:15:36,329 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:15:36,342 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 127 transitions, 262 flow [2021-10-29 05:15:36,345 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 127 transitions, 262 flow [2021-10-29 05:15:36,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 127 transitions, 262 flow [2021-10-29 05:15:36,414 INFO L129 PetriNetUnfolder]: 9/126 cut-off events. [2021-10-29 05:15:36,415 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-29 05:15:36,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 126 events. 9/126 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 220 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2021-10-29 05:15:36,434 INFO L116 LiptonReduction]: Number of co-enabled transitions 3996 [2021-10-29 05:15:41,790 INFO L131 LiptonReduction]: Checked pairs total: 5809 [2021-10-29 05:15:41,790 INFO L133 LiptonReduction]: Total number of compositions: 129 [2021-10-29 05:15:41,810 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 27 transitions, 62 flow [2021-10-29 05:15:41,830 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:15:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:15:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:15:41,842 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:15:41,842 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:15:41,843 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-29 05:15:41,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:15:41,847 INFO L85 PathProgramCache]: Analyzing trace with hash 15666494, now seen corresponding path program 1 times [2021-10-29 05:15:41,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:15:41,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174797232] [2021-10-29 05:15:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:15:41,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:15:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:15:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:15:42,133 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:15:42,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174797232] [2021-10-29 05:15:42,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174797232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:15:42,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:15:42,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:15:42,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373187205] [2021-10-29 05:15:42,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:15:42,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:15:42,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:15:42,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:15:42,172 INFO L87 Difference]: Start difference. First operand has 83 states, 80 states have (on average 2.275) internal successors, (182), 82 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:15:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:15:42,224 INFO L93 Difference]: Finished difference Result 128 states and 268 transitions. [2021-10-29 05:15:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:15:42,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-29 05:15:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:15:42,248 INFO L225 Difference]: With dead ends: 128 [2021-10-29 05:15:42,248 INFO L226 Difference]: Without dead ends: 128 [2021-10-29 05:15:42,249 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:15:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-29 05:15:42,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92. [2021-10-29 05:15:42,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 2.157303370786517) internal successors, (192), 91 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:15:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 192 transitions. [2021-10-29 05:15:42,321 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 192 transitions. Word has length 4 [2021-10-29 05:15:42,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:15:42,322 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 192 transitions. [2021-10-29 05:15:42,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:15:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 192 transitions. [2021-10-29 05:15:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 05:15:42,324 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:15:42,324 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:15:42,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:15:42,325 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-29 05:15:42,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:15:42,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1429573766, now seen corresponding path program 1 times [2021-10-29 05:15:42,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:15:42,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531245526] [2021-10-29 05:15:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:15:42,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:15:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:15:42,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:15:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:15:42,529 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:15:42,530 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:15:42,532 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:15:42,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:15:42,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:15:42,539 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 05:15:42,545 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:15:42,545 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:15:42,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:15:42 BasicIcfg [2021-10-29 05:15:42,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:15:42,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:15:42,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:15:42,595 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:15:42,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:15:36" (3/4) ... [2021-10-29 05:15:42,597 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:15:42,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:15:42,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:15:42,654 INFO L168 Benchmark]: Toolchain (without parser) took 8422.60 ms. Allocated memory was 94.4 MB in the beginning and 163.6 MB in the end (delta: 69.2 MB). Free memory was 57.0 MB in the beginning and 61.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,654 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:15:42,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1016.37 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 57.0 MB in the beginning and 90.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 132.1 MB. Free memory was 90.2 MB in the beginning and 88.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,657 INFO L168 Benchmark]: Boogie Preprocessor took 62.94 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 86.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,657 INFO L168 Benchmark]: RCFGBuilder took 690.24 ms. Allocated memory is still 132.1 MB. Free memory was 86.0 MB in the beginning and 72.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,658 INFO L168 Benchmark]: TraceAbstraction took 6484.92 ms. Allocated memory was 132.1 MB in the beginning and 163.6 MB in the end (delta: 31.5 MB). Free memory was 71.4 MB in the beginning and 64.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,659 INFO L168 Benchmark]: Witness Printer took 57.42 ms. Allocated memory is still 163.6 MB. Free memory was 64.6 MB in the beginning and 61.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:15:42,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 66.6 MB in the beginning and 66.5 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1016.37 ms. Allocated memory was 94.4 MB in the beginning and 132.1 MB in the end (delta: 37.7 MB). Free memory was 57.0 MB in the beginning and 90.2 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.85 ms. Allocated memory is still 132.1 MB. Free memory was 90.2 MB in the beginning and 88.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.94 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 86.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 690.24 ms. Allocated memory is still 132.1 MB. Free memory was 86.0 MB in the beginning and 72.1 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6484.92 ms. Allocated memory was 132.1 MB in the beginning and 163.6 MB in the end (delta: 31.5 MB). Free memory was 71.4 MB in the beginning and 64.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Witness Printer took 57.42 ms. Allocated memory is still 163.6 MB. Free memory was 64.6 MB in the beginning and 61.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4s, 122 PlacesBefore, 26 PlacesAfterwards, 127 TransitionsBefore, 27 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 129 TotalNumberOfCompositions, 5809 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4415, positive: 4243, positive conditional: 0, positive unconditional: 4243, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2980, positive: 2923, positive conditional: 0, positive unconditional: 2923, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2980, positive: 2910, positive conditional: 0, positive unconditional: 2910, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 70, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 239, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 218, negative conditional: 0, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4415, positive: 1320, positive conditional: 0, positive unconditional: 1320, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 2980, unknown conditional: 0, unknown unconditional: 2980] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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; [L865] 0 Ring r; [L823] EXPR 0 r->writer = 0 [L823] 0 r->reader = r->writer = 0 [L867] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) [L851] 1 Ring *r = arg; [L852] 1 long val = 0, last = 0, i = 0; [L853] COND TRUE 1 i < 8 [L815] EXPR 1 r->reader [L815] EXPR 1 r->q[ r->reader ] [L815] 1 long x = r->q[ r->reader ]; [L816] EXPR 1 r->reader [L816] 1 r->reader = (r->reader + 1) % 4 [L817] 1 return x; [L854] 1 val = ring_dequeue( r ) [L855] 1 !(val == last + 1) ? reach_error() : (void)0 [L855] 1 reach_error() - UnprovableResult [Line: 859]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 170 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 14 SDslu, 15 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-29 05:15:42,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2033c271-0c19-4abc-abec-df4c97ba39c1/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...