./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF --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 64bit --witnessprinter.graph.data.programhash ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:46:57,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:46:57,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:46:57,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:46:57,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:46:57,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:46:57,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:46:57,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:46:57,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:46:57,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:46:57,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:46:57,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:46:57,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:46:57,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:46:57,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:46:57,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:46:57,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:46:57,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:46:57,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:46:57,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:46:57,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:46:57,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:46:57,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:46:57,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:46:57,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:46:57,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:46:57,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:46:57,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:46:57,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:46:57,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:46:57,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:46:57,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:46:57,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:46:57,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:46:57,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:46:57,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:46:57,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:46:57,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:46:57,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:46:57,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:46:57,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:46:57,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:46:57,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:46:57,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:46:57,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:46:57,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:46:57,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:46:57,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:46:57,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:46:57,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:46:57,342 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:46:57,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:46:57,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:46:57,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:46:57,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:46:57,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:46:57,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:46:57,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:46:57,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:46:57,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:46:57,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:46:57,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:46:57,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:46:57,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:57,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:46:57,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:46:57,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:46:57,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:46:57,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:46:57,349 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:46:57,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:46:57,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:46:57,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:46:57,352 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_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa [2021-11-20 06:46:57,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:46:57,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:46:57,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:46:57,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:46:57,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:46:57,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:46:57,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/data/556a7b621/2de3131e58c64358ad34491ac73b323a/FLAG3b19e695c [2021-11-20 06:46:59,470 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:46:59,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:46:59,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/data/556a7b621/2de3131e58c64358ad34491ac73b323a/FLAG3b19e695c [2021-11-20 06:46:59,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/data/556a7b621/2de3131e58c64358ad34491ac73b323a [2021-11-20 06:46:59,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:46:59,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:47:00,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:47:00,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:47:00,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:47:00,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:59" (1/1) ... [2021-11-20 06:47:00,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e8ff18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:00, skipping insertion in model container [2021-11-20 06:47:00,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:59" (1/1) ... [2021-11-20 06:47:00,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:47:00,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:47:08,428 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_ae814beb-56f7-46f2-908a-89882aac8fb7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-11-20 06:47:08,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:47:08,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:47:09,469 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_ae814beb-56f7-46f2-908a-89882aac8fb7/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-11-20 06:47:09,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:47:09,954 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:47:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09 WrapperNode [2021-11-20 06:47:09,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:47:09,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:47:09,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:47:09,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:47:09,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:10,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:11,058 INFO L137 Inliner]: procedures = 662, calls = 8707, calls flagged for inlining = 271, calls inlined = 268, statements flattened = 15877 [2021-11-20 06:47:11,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:47:11,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:47:11,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:47:11,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:47:11,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:11,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:11,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:11,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:12,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:12,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:12,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:12,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:47:12,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:47:12,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:47:12,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:47:12,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (1/1) ... [2021-11-20 06:47:12,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:47:12,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:47:12,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:47:12,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae814beb-56f7-46f2-908a-89882aac8fb7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:47:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 06:47:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 06:47:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-11-20 06:47:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-11-20 06:47:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-11-20 06:47:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-11-20 06:47:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-11-20 06:47:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-11-20 06:47:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:47:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:47:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-20 06:47:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-20 06:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-20 06:47:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-20 06:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-11-20 06:47:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-11-20 06:47:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 06:47:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 06:47:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-11-20 06:47:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-11-20 06:47:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:47:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:47:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-20 06:47:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-20 06:47:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-11-20 06:47:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-11-20 06:47:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-11-20 06:47:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-11-20 06:47:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-11-20 06:47:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-11-20 06:47:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-11-20 06:47:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-11-20 06:47:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-11-20 06:47:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-11-20 06:47:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-11-20 06:47:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-11-20 06:47:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-11-20 06:47:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-11-20 06:47:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-11-20 06:47:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-11-20 06:47:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-11-20 06:47:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-11-20 06:47:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:47:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:47:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-11-20 06:47:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-11-20 06:47:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-11-20 06:47:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-11-20 06:47:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-11-20 06:47:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-11-20 06:47:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:47:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-11-20 06:47:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-11-20 06:47:12,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-20 06:47:12,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-20 06:47:12,775 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-11-20 06:47:12,775 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-11-20 06:47:12,776 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-20 06:47:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-20 06:47:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-11-20 06:47:12,777 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-11-20 06:47:12,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:47:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:47:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:47:12,778 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-11-20 06:47:12,778 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-11-20 06:47:12,779 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:47:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:47:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-11-20 06:47:12,780 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-11-20 06:47:12,780 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-11-20 06:47:12,781 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-11-20 06:47:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-11-20 06:47:12,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-11-20 06:47:12,782 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-11-20 06:47:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-11-20 06:47:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-20 06:47:12,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-20 06:47:12,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:47:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:47:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-11-20 06:47:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-11-20 06:47:12,784 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-20 06:47:12,784 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-20 06:47:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:47:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:47:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:47:12,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:47:12,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-11-20 06:47:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-11-20 06:47:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-11-20 06:47:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-11-20 06:47:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2021-11-20 06:47:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2021-11-20 06:47:12,788 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-11-20 06:47:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-11-20 06:47:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:47:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-11-20 06:47:12,790 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-11-20 06:47:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-11-20 06:47:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-11-20 06:47:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-11-20 06:47:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-11-20 06:47:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-11-20 06:47:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-11-20 06:47:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-11-20 06:47:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-11-20 06:47:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-11-20 06:47:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-11-20 06:47:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:47:12,794 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:47:12,794 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-11-20 06:47:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-11-20 06:47:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 06:47:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 06:47:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:47:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:47:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-11-20 06:47:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-11-20 06:47:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-20 06:47:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-20 06:47:12,801 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-11-20 06:47:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-11-20 06:47:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-11-20 06:47:12,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-11-20 06:47:12,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-20 06:47:12,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-20 06:47:12,806 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-11-20 06:47:12,812 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-11-20 06:47:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-20 06:47:12,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-20 06:47:12,813 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-20 06:47:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-20 06:47:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:47:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-11-20 06:47:12,814 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-11-20 06:47:12,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-20 06:47:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-11-20 06:47:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-11-20 06:47:12,815 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 06:47:12,815 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 06:47:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-11-20 06:47:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-11-20 06:47:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-11-20 06:47:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-11-20 06:47:12,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:47:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-20 06:47:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-20 06:47:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-11-20 06:47:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-11-20 06:47:12,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:47:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-11-20 06:47:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-11-20 06:47:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:47:12,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:47:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:47:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 06:47:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 06:47:12,819 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-11-20 06:47:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-11-20 06:47:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-11-20 06:47:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-11-20 06:47:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:47:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:47:12,820 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-11-20 06:47:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-11-20 06:47:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 06:47:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 06:47:12,821 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-11-20 06:47:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-11-20 06:47:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-11-20 06:47:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-11-20 06:47:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-11-20 06:47:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-11-20 06:47:12,822 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-11-20 06:47:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-11-20 06:47:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-20 06:47:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-20 06:47:12,823 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-11-20 06:47:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-11-20 06:47:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-11-20 06:47:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-11-20 06:47:12,824 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-11-20 06:47:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-11-20 06:47:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-11-20 06:47:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-11-20 06:47:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-11-20 06:47:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-11-20 06:47:12,825 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-11-20 06:47:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-11-20 06:47:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-20 06:47:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-20 06:47:12,826 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:47:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:47:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-11-20 06:47:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-11-20 06:47:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:47:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:47:12,827 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-11-20 06:47:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-11-20 06:47:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-11-20 06:47:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-11-20 06:47:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 06:47:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 06:47:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-11-20 06:47:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-11-20 06:47:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 06:47:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 06:47:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:47:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:47:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-11-20 06:47:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-11-20 06:47:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-20 06:47:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-20 06:47:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-20 06:47:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-20 06:47:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-11-20 06:47:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-11-20 06:47:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-11-20 06:47:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-11-20 06:47:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:47:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:47:12,832 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-20 06:47:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-20 06:47:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-11-20 06:47:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-11-20 06:47:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 06:47:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 06:47:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:47:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:47:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-11-20 06:47:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-11-20 06:47:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-11-20 06:47:12,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-11-20 06:47:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-11-20 06:47:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-11-20 06:47:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-20 06:47:12,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-20 06:47:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:47:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:47:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-11-20 06:47:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-11-20 06:47:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:47:12,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:47:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 06:47:12,838 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 06:47:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2021-11-20 06:47:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2021-11-20 06:47:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-11-20 06:47:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-11-20 06:47:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-20 06:47:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-20 06:47:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 06:47:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 06:47:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-11-20 06:47:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-11-20 06:47:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-11-20 06:47:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-11-20 06:47:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-11-20 06:47:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-11-20 06:47:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-11-20 06:47:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-11-20 06:47:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-11-20 06:47:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-11-20 06:47:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-11-20 06:47:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-11-20 06:47:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-11-20 06:47:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-11-20 06:47:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:47:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:47:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-20 06:47:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-20 06:47:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:47:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:47:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-20 06:47:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-20 06:47:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-11-20 06:47:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-11-20 06:47:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:47:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:47:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:47:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:47:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-11-20 06:47:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-11-20 06:47:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-11-20 06:47:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-11-20 06:47:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:47:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:47:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 06:47:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 06:47:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:47:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:47:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:47:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-11-20 06:47:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-11-20 06:47:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-11-20 06:47:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-11-20 06:47:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-11-20 06:47:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-11-20 06:47:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:47:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-20 06:47:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-20 06:47:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-11-20 06:47:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-11-20 06:47:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-20 06:47:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-20 06:47:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-11-20 06:47:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-11-20 06:47:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:47:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-11-20 06:47:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-11-20 06:47:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-11-20 06:47:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-11-20 06:47:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-20 06:47:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-20 06:47:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 06:47:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 06:47:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-20 06:47:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-20 06:47:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-11-20 06:47:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-11-20 06:47:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2021-11-20 06:47:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2021-11-20 06:47:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 06:47:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 06:47:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-11-20 06:47:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-11-20 06:47:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-11-20 06:47:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-11-20 06:47:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 06:47:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 06:47:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:47:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:47:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 06:47:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 06:47:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-11-20 06:47:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-11-20 06:47:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-20 06:47:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-20 06:47:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-11-20 06:47:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-11-20 06:47:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-11-20 06:47:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-11-20 06:47:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-11-20 06:47:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-11-20 06:47:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-20 06:47:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-20 06:47:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-11-20 06:47:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-11-20 06:47:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-11-20 06:47:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-11-20 06:47:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-11-20 06:47:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-11-20 06:47:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 06:47:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 06:47:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:47:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:47:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-11-20 06:47:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-11-20 06:47:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 06:47:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 06:47:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:47:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:47:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-20 06:47:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-20 06:47:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-11-20 06:47:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-11-20 06:47:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:47:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-11-20 06:47:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-11-20 06:47:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-11-20 06:47:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-11-20 06:47:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 06:47:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 06:47:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:47:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:47:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-11-20 06:47:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-11-20 06:47:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-11-20 06:47:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-11-20 06:47:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-11-20 06:47:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-11-20 06:47:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-20 06:47:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-20 06:47:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-11-20 06:47:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-11-20 06:47:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-11-20 06:47:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-11-20 06:47:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-11-20 06:47:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-11-20 06:47:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-11-20 06:47:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-11-20 06:47:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 06:47:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 06:47:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-11-20 06:47:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-11-20 06:47:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-11-20 06:47:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-11-20 06:47:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2021-11-20 06:47:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2021-11-20 06:47:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-11-20 06:47:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-11-20 06:47:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2021-11-20 06:47:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2021-11-20 06:47:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 06:47:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 06:47:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-11-20 06:47:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-11-20 06:47:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-11-20 06:47:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-11-20 06:47:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 06:47:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 06:47:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-11-20 06:47:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-11-20 06:47:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-20 06:47:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-20 06:47:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:47:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:47:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-11-20 06:47:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-11-20 06:47:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-11-20 06:47:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-11-20 06:47:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-11-20 06:47:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-11-20 06:47:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-11-20 06:47:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-11-20 06:47:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:47:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-11-20 06:47:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-11-20 06:47:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-20 06:47:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-20 06:47:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-11-20 06:47:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-11-20 06:47:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 06:47:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 06:47:14,882 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:47:14,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:47:19,935 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:52:10,992 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:52:11,049 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:52:11,049 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:52:11,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:11 BoogieIcfgContainer [2021-11-20 06:52:11,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:52:11,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:52:11,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:52:11,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:52:11,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:59" (1/3) ... [2021-11-20 06:52:11,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11330804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:11, skipping insertion in model container [2021-11-20 06:52:11,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:09" (2/3) ... [2021-11-20 06:52:11,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11330804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:11, skipping insertion in model container [2021-11-20 06:52:11,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:11" (3/3) ... [2021-11-20 06:52:11,068 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:52:11,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:52:11,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:52:11,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:52:11,181 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 [2021-11-20 06:52:11,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:52:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) [2021-11-20 06:52:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 06:52:11,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:52:11,329 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 06:52:11,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:52:11,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:11,336 INFO L85 PathProgramCache]: Analyzing trace with hash -227046202, now seen corresponding path program 1 times [2021-11-20 06:52:11,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:11,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221683611] [2021-11-20 06:52:11,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:11,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:52:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:52:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:52:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:52:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:52:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:52:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 06:52:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:52:13,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:13,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221683611] [2021-11-20 06:52:13,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221683611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:13,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:13,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:52:13,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528500090] [2021-11-20 06:52:13,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:13,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:52:13,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:13,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:52:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:52:13,241 INFO L87 Difference]: Start difference. First operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:52:21,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:23,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:40,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:41,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:56,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:52:58,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:04,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:06,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:08,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:11,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:13,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:15,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:19,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:24,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:27,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:29,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:31,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:33,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:34,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:36,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:38,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:40,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:45,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:53:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:53:47,087 INFO L93 Difference]: Finished difference Result 8887 states and 13380 transitions. [2021-11-20 06:53:47,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:53:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-11-20 06:53:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:53:47,177 INFO L225 Difference]: With dead ends: 8887 [2021-11-20 06:53:47,177 INFO L226 Difference]: Without dead ends: 4779 [2021-11-20 06:53:47,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:53:47,228 INFO L933 BasicCegarLoop]: 5519 mSDtfsCounter, 1399 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 3693 mSolverCounterSat, 1467 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 10385 SdHoareTripleChecker+Invalid, 5175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1467 IncrementalHoareTripleChecker+Valid, 3693 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:53:47,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1738 Valid, 10385 Invalid, 5175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1467 Valid, 3693 Invalid, 15 Unknown, 0 Unchecked, 92.9s Time] [2021-11-20 06:53:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4779 states. [2021-11-20 06:53:47,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4779 to 4066. [2021-11-20 06:53:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 2708 states have (on average 1.3146233382570163) internal successors, (3560), 2804 states have internal predecessors, (3560), 1151 states have call successors, (1151), 207 states have call predecessors, (1151), 206 states have return successors, (1149), 1140 states have call predecessors, (1149), 1149 states have call successors, (1149) [2021-11-20 06:53:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 5860 transitions. [2021-11-20 06:53:47,662 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 5860 transitions. Word has length 62 [2021-11-20 06:53:47,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:53:47,663 INFO L470 AbstractCegarLoop]: Abstraction has 4066 states and 5860 transitions. [2021-11-20 06:53:47,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:53:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 5860 transitions. [2021-11-20 06:53:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 06:53:47,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:53:47,671 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-20 06:53:47,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:53:47,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:53:47,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2039334984, now seen corresponding path program 1 times [2021-11-20 06:53:47,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:53:47,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231782448] [2021-11-20 06:53:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:47,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:53:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:53:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:53:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:53:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:53:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:53:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:53:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 06:53:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:53:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 06:53:48,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:53:48,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231782448] [2021-11-20 06:53:48,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231782448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:53:48,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:53:48,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:53:48,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336469762] [2021-11-20 06:53:48,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:53:48,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:53:48,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:53:48,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:53:48,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:53:48,955 INFO L87 Difference]: Start difference. First operand 4066 states and 5860 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:54:00,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:04,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:33,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:34,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:44,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:54:46,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:00,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:02,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:05,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:13,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:16,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:18,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:20,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:22,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:24,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:35,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:38,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:41,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:42,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:44,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:45,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:50,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:54,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:55,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:55:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:55:58,481 INFO L93 Difference]: Finished difference Result 12245 states and 17915 transitions. [2021-11-20 06:55:58,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:55:58,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-11-20 06:55:58,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:55:58,574 INFO L225 Difference]: With dead ends: 12245 [2021-11-20 06:55:58,575 INFO L226 Difference]: Without dead ends: 8189 [2021-11-20 06:55:58,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:55:58,605 INFO L933 BasicCegarLoop]: 7440 mSDtfsCounter, 5603 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 6813 mSolverCounterSat, 3071 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6387 SdHoareTripleChecker+Valid, 18862 SdHoareTripleChecker+Invalid, 9896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3071 IncrementalHoareTripleChecker+Valid, 6813 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:55:58,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6387 Valid, 18862 Invalid, 9896 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3071 Valid, 6813 Invalid, 12 Unknown, 0 Unchecked, 128.4s Time] [2021-11-20 06:55:58,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2021-11-20 06:55:59,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 7060. [2021-11-20 06:55:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7060 states, 4683 states have (on average 1.3119795003203074) internal successors, (6144), 4856 states have internal predecessors, (6144), 1992 states have call successors, (1992), 377 states have call predecessors, (1992), 384 states have return successors, (2012), 1980 states have call predecessors, (2012), 1990 states have call successors, (2012) [2021-11-20 06:55:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7060 states to 7060 states and 10148 transitions. [2021-11-20 06:55:59,172 INFO L78 Accepts]: Start accepts. Automaton has 7060 states and 10148 transitions. Word has length 62 [2021-11-20 06:55:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:55:59,173 INFO L470 AbstractCegarLoop]: Abstraction has 7060 states and 10148 transitions. [2021-11-20 06:55:59,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-20 06:55:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7060 states and 10148 transitions. [2021-11-20 06:55:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-20 06:55:59,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:55:59,187 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2021-11-20 06:55:59,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:55:59,187 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:55:59,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:55:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1465338227, now seen corresponding path program 1 times [2021-11-20 06:55:59,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:55:59,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531571172] [2021-11-20 06:55:59,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:55:59,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:55:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:56:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:56:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:56:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:56:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:56:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:56:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-20 06:56:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:56:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:56:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:56:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:56:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 06:56:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:56:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:56:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:56:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:56:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 06:56:01,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:56:01,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531571172] [2021-11-20 06:56:01,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531571172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:56:01,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:56:01,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:56:01,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562173999] [2021-11-20 06:56:01,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:56:01,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:56:01,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:56:01,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:56:01,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:56:01,037 INFO L87 Difference]: Start difference. First operand 7060 states and 10148 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 06:56:09,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:12,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:40,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:50,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:52,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:54,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:56:56,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:05,109 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:06,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:12,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:14,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:17,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:19,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:21,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:23,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:35,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:38,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:40,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:42,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:47,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:49,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:55,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:57:58,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:00,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:01,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:03,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:05,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:06,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:10,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:58:10,483 INFO L93 Difference]: Finished difference Result 10710 states and 15682 transitions. [2021-11-20 06:58:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-20 06:58:10,484 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2021-11-20 06:58:10,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:58:10,579 INFO L225 Difference]: With dead ends: 10710 [2021-11-20 06:58:10,580 INFO L226 Difference]: Without dead ends: 10695 [2021-11-20 06:58:10,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:58:10,587 INFO L933 BasicCegarLoop]: 5049 mSDtfsCounter, 11298 mSDsluCounter, 5107 mSDsCounter, 0 mSdLazyCounter, 6896 mSolverCounterSat, 10983 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 120.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11671 SdHoareTripleChecker+Valid, 10156 SdHoareTripleChecker+Invalid, 17899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10983 IncrementalHoareTripleChecker+Valid, 6896 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:58:10,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11671 Valid, 10156 Invalid, 17899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10983 Valid, 6896 Invalid, 20 Unknown, 0 Unchecked, 127.6s Time] [2021-11-20 06:58:10,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10695 states. [2021-11-20 06:58:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10695 to 8847. [2021-11-20 06:58:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8847 states, 5902 states have (on average 1.3053202304303626) internal successors, (7704), 6115 states have internal predecessors, (7704), 2392 states have call successors, (2392), 514 states have call predecessors, (2392), 552 states have return successors, (2490), 2410 states have call predecessors, (2490), 2391 states have call successors, (2490) [2021-11-20 06:58:11,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8847 states to 8847 states and 12586 transitions. [2021-11-20 06:58:11,228 INFO L78 Accepts]: Start accepts. Automaton has 8847 states and 12586 transitions. Word has length 106 [2021-11-20 06:58:11,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:58:11,230 INFO L470 AbstractCegarLoop]: Abstraction has 8847 states and 12586 transitions. [2021-11-20 06:58:11,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-20 06:58:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8847 states and 12586 transitions. [2021-11-20 06:58:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-20 06:58:11,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:11,276 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1] [2021-11-20 06:58:11,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:58:11,277 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:11,278 INFO L85 PathProgramCache]: Analyzing trace with hash -823511431, now seen corresponding path program 1 times [2021-11-20 06:58:11,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:58:11,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981504815] [2021-11-20 06:58:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:11,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:58:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:58:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:58:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:58:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 06:58:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:58:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:58:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:58:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-20 06:58:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:58:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 06:58:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-20 06:58:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-20 06:58:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-20 06:58:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-20 06:58:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-20 06:58:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-20 06:58:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-20 06:58:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-20 06:58:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-20 06:58:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-20 06:58:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 06:58:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-20 06:58:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-20 06:58:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-20 06:58:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-20 06:58:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-20 06:58:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 06:58:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:58:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:58:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 06:58:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-20 06:58:13,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:58:13,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981504815] [2021-11-20 06:58:13,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981504815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:13,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:13,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:58:13,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946555889] [2021-11-20 06:58:13,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:13,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:58:13,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:58:13,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:58:13,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:58:13,979 INFO L87 Difference]: Start difference. First operand 8847 states and 12586 transitions. Second operand has 8 states, 8 states have (on average 23.875) internal successors, (191), 3 states have internal predecessors, (191), 2 states have call successors, (42), 7 states have call predecessors, (42), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-20 06:58:32,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:27,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:29,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:32,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:58,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:00,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []