./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:45:41,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:45:41,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:45:41,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:45:41,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:45:41,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:45:41,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:45:41,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:45:41,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:45:41,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:45:41,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:45:41,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:45:41,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:45:41,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:45:41,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:45:41,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:45:41,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:45:41,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:45:41,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:45:41,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:45:41,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:45:41,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:45:41,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:45:41,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:45:41,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:45:41,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:45:41,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:45:41,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:45:41,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:45:41,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:45:41,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:45:41,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:45:41,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:45:41,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:45:41,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:45:41,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:45:41,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:45:41,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:45:41,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:45:41,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:45:41,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:45:41,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:45:41,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:45:41,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:45:41,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:45:41,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:45:41,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:45:41,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:45:41,233 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:45:41,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:45:41,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:45:41,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:45:41,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:45:41,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:45:41,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:45:41,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:45:41,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:45:41,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:45:41,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:45:41,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:45:41,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:45:41,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:45:41,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:45:41,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:45:41,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:45:41,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:45:41,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:45:41,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:45:41,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:45:41,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:45:41,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:45:41,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:45:41,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:45:41,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:45:41,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a956b76a4ba98ce13df4d83ef2fb7ffa0973225ecb152c14bcfbb55b6546601 [2021-11-22 14:45:41,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:45:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:45:41,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:45:41,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:45:41,591 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:45:41,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-11-22 14:45:41,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/data/e6b4c406d/0420c4a9ab564f479bfb5f396178cc3b/FLAG9330f2890 [2021-11-22 14:45:42,336 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:45:42,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i [2021-11-22 14:45:42,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/data/e6b4c406d/0420c4a9ab564f479bfb5f396178cc3b/FLAG9330f2890 [2021-11-22 14:45:42,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/data/e6b4c406d/0420c4a9ab564f479bfb5f396178cc3b [2021-11-22 14:45:42,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:45:42,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:45:42,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:42,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:45:42,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:45:42,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:42" (1/1) ... [2021-11-22 14:45:42,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cde5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:42, skipping insertion in model container [2021-11-22 14:45:42,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:42" (1/1) ... [2021-11-22 14:45:42,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:45:42,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:45:42,838 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 14:45:43,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-11-22 14:45:43,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-11-22 14:45:43,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-11-22 14:45:43,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-11-22 14:45:43,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-11-22 14:45:43,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-11-22 14:45:43,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:43,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:45:43,161 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-22 14:45:43,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39095,39108] [2021-11-22 14:45:43,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39180,39193] [2021-11-22 14:45:43,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39232,39245] [2021-11-22 14:45:43,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39641,39654] [2021-11-22 14:45:43,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39726,39739] [2021-11-22 14:45:43,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/sv-benchmarks/c/pthread-divine/ring_1w1r-1.i[39778,39791] [2021-11-22 14:45:43,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:45:43,280 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:45:43,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43 WrapperNode [2021-11-22 14:45:43,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:45:43,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:43,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:45:43,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:45:43,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,355 INFO L137 Inliner]: procedures = 225, calls = 43, calls flagged for inlining = 10, calls inlined = 7, statements flattened = 113 [2021-11-22 14:45:43,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:45:43,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:45:43,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:45:43,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:45:43,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:45:43,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:45:43,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:45:43,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:45:43,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (1/1) ... [2021-11-22 14:45:43,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:45:43,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:45:43,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:45:43,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:45:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:45:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:45:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:45:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:45:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:45:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:45:43,525 INFO L130 BoogieDeclarations]: Found specification of procedure reader_nowait_fn [2021-11-22 14:45:43,526 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_nowait_fn [2021-11-22 14:45:43,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:45:43,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:45:43,527 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 14:45:43,693 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:45:43,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:45:43,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:45:43,930 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:45:43,930 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 14:45:43,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:43 BoogieIcfgContainer [2021-11-22 14:45:43,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:45:43,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:45:43,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:45:43,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:45:43,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:45:42" (1/3) ... [2021-11-22 14:45:43,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675699fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:43, skipping insertion in model container [2021-11-22 14:45:43,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:43" (2/3) ... [2021-11-22 14:45:43,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675699fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:43, skipping insertion in model container [2021-11-22 14:45:43,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:43" (3/3) ... [2021-11-22 14:45:43,959 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-1.i [2021-11-22 14:45:43,975 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 14:45:43,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:45:43,976 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 14:45:43,976 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 14:45:44,017 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,018 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,018 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,018 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,018 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,018 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,019 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,019 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,019 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,019 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,019 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,020 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,020 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,020 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,020 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,020 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,021 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,021 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,021 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,021 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,021 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,022 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,022 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,022 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,022 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,022 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,023 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,023 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,023 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,023 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,023 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,024 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,025 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,026 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,026 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,026 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,026 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,026 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,027 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,028 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,029 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,029 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,029 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,029 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,029 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,030 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,031 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,032 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,033 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,033 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,033 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,033 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,033 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,034 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,034 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,034 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,034 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,034 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,035 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,036 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,037 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,037 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,037 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,037 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,037 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,038 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,039 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,039 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,039 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,039 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,039 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,040 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,041 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,041 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,041 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,041 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,042 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,043 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,043 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,043 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,043 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,043 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,044 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,044 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,044 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,044 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,044 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,045 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,045 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,045 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,045 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,045 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,046 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,047 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,048 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,048 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,048 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,053 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,056 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,057 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,058 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,059 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,060 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,061 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,062 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,063 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,066 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,070 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,071 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,074 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,075 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~r~2#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,077 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,082 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~pre19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~val~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,083 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~last~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,084 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,085 WARN L322 ript$VariableManager]: TermVariabe |reader_nowait_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:45:44,089 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-22 14:45:44,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:45:44,183 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:45:44,183 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-22 14:45:44,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 141 transitions, 290 flow [2021-11-22 14:45:44,261 INFO L129 PetriNetUnfolder]: 9/140 cut-off events. [2021-11-22 14:45:44,262 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 14:45:44,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 140 events. 9/140 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 248 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2021-11-22 14:45:44,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 141 transitions, 290 flow [2021-11-22 14:45:44,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 131 transitions, 265 flow [2021-11-22 14:45:44,285 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2021-11-22 14:45:44,286 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 14:45:44,286 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:45:44,287 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:45:44,287 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)] === [2021-11-22 14:45:44,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:44,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1380321614, now seen corresponding path program 1 times [2021-11-22 14:45:44,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:44,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43574940] [2021-11-22 14:45:44,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:44,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:45:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:45:44,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:45:44,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43574940] [2021-11-22 14:45:44,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43574940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:45:44,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:45:44,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 14:45:44,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496721310] [2021-11-22 14:45:44,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:45:44,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 14:45:44,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:45:44,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 14:45:44,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 14:45:44,582 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 141 [2021-11-22 14:45:44,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 131 transitions, 265 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:45:44,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 141 [2021-11-22 14:45:44,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:45:44,650 INFO L129 PetriNetUnfolder]: 3/151 cut-off events. [2021-11-22 14:45:44,651 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-22 14:45:44,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 151 events. 3/151 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 155 event pairs, 0 based on Foata normal form. 18/162 useless extension candidates. Maximal degree in co-relation 127. Up to 7 conditions per place. [2021-11-22 14:45:44,655 INFO L132 encePairwiseOnDemand]: 132/141 looper letters, 7 selfloop transitions, 2 changer transitions 0/128 dead transitions. [2021-11-22 14:45:44,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 277 flow [2021-11-22 14:45:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 14:45:44,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-22 14:45:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 404 transitions. [2021-11-22 14:45:44,670 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9550827423167849 [2021-11-22 14:45:44,671 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 404 transitions. [2021-11-22 14:45:44,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 404 transitions. [2021-11-22 14:45:44,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:45:44,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 404 transitions. [2021-11-22 14:45:44,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,691 INFO L186 Difference]: Start difference. First operand has 126 places, 131 transitions, 265 flow. Second operand 3 states and 404 transitions. [2021-11-22 14:45:44,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 277 flow [2021-11-22 14:45:44,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 128 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-22 14:45:44,701 INFO L242 Difference]: Finished difference. Result has 128 places, 126 transitions, 264 flow [2021-11-22 14:45:44,703 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=128, PETRI_TRANSITIONS=126} [2021-11-22 14:45:44,707 INFO L334 CegarLoopForPetriNet]: 126 programPoint places, 2 predicate places. [2021-11-22 14:45:44,707 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 126 transitions, 264 flow [2021-11-22 14:45:44,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:45:44,708 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:45:44,708 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:45:44,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:45:44,708 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)] === [2021-11-22 14:45:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:45:44,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1966319385, now seen corresponding path program 1 times [2021-11-22 14:45:44,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:45:44,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034176618] [2021-11-22 14:45:44,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:45:44,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:45:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:44,761 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:45:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:45:44,828 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:45:44,828 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 14:45:44,830 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-22 14:45:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-22 14:45:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-11-22 14:45:44,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2021-11-22 14:45:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 7 remaining) [2021-11-22 14:45:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-11-22 14:45:44,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location reader_nowait_fnErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-22 14:45:44,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:45:44,837 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 14:45:44,843 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-22 14:45:44,843 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 14:45:44,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:45:44 BasicIcfg [2021-11-22 14:45:44,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 14:45:44,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:45:44,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:45:44,898 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:45:44,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:43" (3/4) ... [2021-11-22 14:45:44,900 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 14:45:44,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 14:45:44,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:45:45,000 INFO L158 Benchmark]: Toolchain (without parser) took 2401.50ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 65.6MB in the beginning and 45.5MB in the end (delta: 20.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,000 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:45:45,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.95ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 65.4MB in the beginning and 90.7MB in the end (delta: -25.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.50ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,002 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,002 INFO L158 Benchmark]: RCFGBuilder took 499.50ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 72.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,003 INFO L158 Benchmark]: TraceAbstraction took 955.52ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 53.0MB in the end (delta: 18.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,003 INFO L158 Benchmark]: Witness Printer took 101.32ms. Allocated memory is still 132.1MB. Free memory was 53.0MB in the beginning and 45.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 14:45:45,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.95ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 65.4MB in the beginning and 90.7MB in the end (delta: -25.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.50ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 88.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 132.1MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.50ms. Allocated memory is still 132.1MB. Free memory was 86.5MB in the beginning and 72.4MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 955.52ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 53.0MB in the end (delta: 18.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 101.32ms. Allocated memory is still 132.1MB. Free memory was 53.0MB in the beginning and 45.5MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 855]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L864] 0 pthread_t reader; VAL [reader={9:0}] [L865] 0 Ring r; VAL [r={8:0}, reader={9:0}] [L866] CALL 0 ring_init( &r ) [L823] EXPR 0 r->writer = 0 VAL [r={8:0}, r={8:0}] [L823] 0 r->reader = r->writer = 0 VAL [r={8:0}, r={8:0}] [L866] RET 0 ring_init( &r ) [L867] FCALL, FORK 0 pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r ) VAL [pthread_create( &reader, ((void *)0), &reader_nowait_fn, &r )=-1, r={8:0}, reader={9:0}] [L851] 1 Ring *r = arg; VAL [arg={8:0}, arg={8:0}, r={8:0}] [L852] 1 long val = 0, last = 0, i = 0; VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=0] [L853] COND TRUE 1 i < 8 VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=0] [L854] CALL, EXPR 1 ring_dequeue( r ) [L815] EXPR 1 r->reader VAL [r={8:0}, r={8:0}, r->reader=0] [L815] EXPR 1 r->q[ r->reader ] VAL [r={8:0}, r={8:0}, r->q[ r->reader ]=-2, r->reader=0] [L815] 1 long x = r->q[ r->reader ]; VAL [r={8:0}, r={8:0}, r->q[ r->reader ]=-2, r->reader=0, x=-2] [L816] EXPR 1 r->reader VAL [r={8:0}, r={8:0}, r->reader=0, x=-2] [L816] 1 r->reader = (r->reader + 1) % 4 VAL [r={8:0}, r={8:0}, r->reader=0, x=-2] [L817] 1 return x; VAL [\result=-2, r={8:0}, r={8:0}, x=-2] [L854] RET, EXPR 1 ring_dequeue( r ) [L854] 1 val = ring_dequeue( r ) VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, ring_dequeue( r )=-2, val=-2] [L855] 1 !(val == last + 1) ? reach_error() : (void)0 VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=-2] [L855] 1 reach_error() VAL [arg={8:0}, arg={8:0}, i=0, last=0, r={8:0}, val=-2] - UnprovableResult [Line: 859]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 188 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-22 14:45:45,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96913615-ecda-4e17-b032-14740cac2599/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE