./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-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_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/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_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/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_f692ab3d-7b00-4823-9160-002405533573/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 44610cb4431513b4b9429bb48b9c496068c0f3a3836e87f731a95bf3b77832c9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:54:04,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:54:04,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:54:04,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:54:04,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:54:04,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:54:04,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:54:04,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:54:04,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:54:04,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:54:04,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:54:04,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:54:04,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:54:04,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:54:04,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:54:04,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:54:04,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:54:04,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:54:04,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:54:04,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:54:04,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:54:04,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:54:04,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:54:04,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:54:04,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:54:04,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:54:04,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:54:04,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:54:04,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:54:04,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:54:04,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:54:04,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:54:04,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:54:04,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:54:04,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:54:04,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:54:04,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:54:04,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:54:04,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:54:04,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:54:04,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:54:04,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:54:04,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:54:04,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:54:04,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:54:04,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:54:04,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:54:04,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:54:04,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:54:04,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:54:04,443 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:54:04,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:54:04,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:54:04,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:54:04,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:54:04,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:54:04,444 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:54:04,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:54:04,445 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:54:04,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:54:04,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:54:04,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:54:04,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:54:04,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:04,446 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:54:04,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:54:04,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:54:04,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:54:04,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:54:04,447 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:54:04,447 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:54:04,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:54:04,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:54:04,448 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_f692ab3d-7b00-4823-9160-002405533573/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44610cb4431513b4b9429bb48b9c496068c0f3a3836e87f731a95bf3b77832c9 [2021-11-20 06:54:04,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:54:04,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:54:04,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:54:04,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:54:04,713 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:54:04,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:54:04,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/data/58d591aa2/b4f034bbbeb7418c9aae34d1ab0073db/FLAGc0940bce6 [2021-11-20 06:54:05,836 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:54:05,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:54:05,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/data/58d591aa2/b4f034bbbeb7418c9aae34d1ab0073db/FLAGc0940bce6 [2021-11-20 06:54:06,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/data/58d591aa2/b4f034bbbeb7418c9aae34d1ab0073db [2021-11-20 06:54:06,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:54:06,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:54:06,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:06,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:54:06,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:54:06,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:06" (1/1) ... [2021-11-20 06:54:06,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571cfade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:06, skipping insertion in model container [2021-11-20 06:54:06,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:54:06" (1/1) ... [2021-11-20 06:54:06,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:54:06,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:54:07,402 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_f692ab3d-7b00-4823-9160-002405533573/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[193558,193571] [2021-11-20 06:54:11,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:11,679 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:54:11,847 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_f692ab3d-7b00-4823-9160-002405533573/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[193558,193571] [2021-11-20 06:54:12,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:54:12,639 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:54:12,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12 WrapperNode [2021-11-20 06:54:12,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:54:12,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:12,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:54:12,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:54:12,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:12,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,416 INFO L137 Inliner]: procedures = 537, calls = 8428, calls flagged for inlining = 241, calls inlined = 238, statements flattened = 14899 [2021-11-20 06:54:13,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:54:13,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:54:13,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:54:13,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:54:13,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:13,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:14,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:54:14,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:54:14,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:54:14,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:54:14,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (1/1) ... [2021-11-20 06:54:14,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:54:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:54:14,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:54:14,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f692ab3d-7b00-4823-9160-002405533573/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:54:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 06:54:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 06:54:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-20 06:54:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-20 06:54:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-11-20 06:54:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-11-20 06:54:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-11-20 06:54:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-11-20 06:54:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-11-20 06:54:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-11-20 06:54:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-20 06:54:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-20 06:54:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-20 06:54:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-20 06:54:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-11-20 06:54:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-11-20 06:54:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-11-20 06:54:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-11-20 06:54:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:54:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:54:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-20 06:54:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-20 06:54:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-20 06:54:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-20 06:54:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-11-20 06:54:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-11-20 06:54:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-11-20 06:54:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-11-20 06:54:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-11-20 06:54:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-11-20 06:54:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-11-20 06:54:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-11-20 06:54:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-11-20 06:54:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-11-20 06:54:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-11-20 06:54:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-11-20 06:54:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-11-20 06:54:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-11-20 06:54:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-11-20 06:54:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-11-20 06:54:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:54:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:54:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-11-20 06:54:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-11-20 06:54:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-11-20 06:54:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-11-20 06:54:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-11-20 06:54:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-11-20 06:54:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 06:54:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-11-20 06:54:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-11-20 06:54:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-20 06:54:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-20 06:54:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-11-20 06:54:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-11-20 06:54:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-20 06:54:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-20 06:54:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-20 06:54:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-11-20 06:54:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-11-20 06:54:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:54:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:54:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:54:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-11-20 06:54:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-11-20 06:54:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:54:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:54:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-11-20 06:54:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-11-20 06:54:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-11-20 06:54:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-11-20 06:54:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-11-20 06:54:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-11-20 06:54:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-11-20 06:54:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-11-20 06:54:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-20 06:54:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-20 06:54:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:54:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:54:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-11-20 06:54:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-11-20 06:54:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-20 06:54:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-20 06:54:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:54:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:54:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:54:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:54:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-11-20 06:54:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-11-20 06:54:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-11-20 06:54:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-11-20 06:54:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-11-20 06:54:14,331 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-11-20 06:54:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:54:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-11-20 06:54:14,332 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-11-20 06:54:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-11-20 06:54:14,333 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-11-20 06:54:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-11-20 06:54:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-11-20 06:54:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-11-20 06:54:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-11-20 06:54:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-11-20 06:54:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-11-20 06:54:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-11-20 06:54:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-11-20 06:54:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:54:14,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:54:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_24 [2021-11-20 06:54:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_24 [2021-11-20 06:54:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-11-20 06:54:14,336 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-11-20 06:54:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 06:54:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 06:54:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-11-20 06:54:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-11-20 06:54:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-20 06:54:14,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-20 06:54:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-11-20 06:54:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-11-20 06:54:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-11-20 06:54:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-11-20 06:54:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-20 06:54:14,342 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-20 06:54:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-11-20 06:54:14,344 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-11-20 06:54:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:54:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-11-20 06:54:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-11-20 06:54:14,349 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-11-20 06:54:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-11-20 06:54:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 06:54:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 06:54:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-11-20 06:54:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-11-20 06:54:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-11-20 06:54:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-11-20 06:54:14,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:54:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-20 06:54:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-20 06:54:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-11-20 06:54:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-11-20 06:54:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:54:14,351 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-11-20 06:54:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-11-20 06:54:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:54:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:54:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:54:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-20 06:54:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-20 06:54:14,352 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-11-20 06:54:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-11-20 06:54:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-11-20 06:54:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-11-20 06:54:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:54:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:54:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-11-20 06:54:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-11-20 06:54:14,353 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 06:54:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 06:54:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-11-20 06:54:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-11-20 06:54:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-11-20 06:54:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-11-20 06:54:14,354 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-11-20 06:54:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-11-20 06:54:14,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-20 06:54:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-20 06:54:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-11-20 06:54:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-11-20 06:54:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-11-20 06:54:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-11-20 06:54:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-11-20 06:54:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-11-20 06:54:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-11-20 06:54:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-11-20 06:54:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-11-20 06:54:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-11-20 06:54:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-11-20 06:54:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-11-20 06:54:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-20 06:54:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-20 06:54:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:54:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:54:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-11-20 06:54:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-11-20 06:54:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:54:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:54:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-11-20 06:54:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-11-20 06:54:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-11-20 06:54:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-11-20 06:54:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 06:54:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 06:54:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-11-20 06:54:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-11-20 06:54:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 06:54:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 06:54:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:54:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:54:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-11-20 06:54:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-11-20 06:54:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-20 06:54:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-20 06:54:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-20 06:54:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-20 06:54:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-11-20 06:54:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-11-20 06:54:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-11-20 06:54:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-11-20 06:54:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:54:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:54:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-20 06:54:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-20 06:54:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-11-20 06:54:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-11-20 06:54:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 06:54:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 06:54:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:54:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-11-20 06:54:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-11-20 06:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-11-20 06:54:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-11-20 06:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-11-20 06:54:14,380 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-11-20 06:54:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-11-20 06:54:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-11-20 06:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:54:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:54:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 06:54:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 06:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-11-20 06:54:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-11-20 06:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-20 06:54:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-20 06:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 06:54:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 06:54:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-11-20 06:54:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-11-20 06:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-11-20 06:54:14,383 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-11-20 06:54:14,383 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-11-20 06:54:14,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-11-20 06:54:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-11-20 06:54:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-11-20 06:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-11-20 06:54:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-11-20 06:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-11-20 06:54:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-11-20 06:54:14,388 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-11-20 06:54:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-11-20 06:54:14,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:54:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:54:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-20 06:54:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-20 06:54:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:54:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:54:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-11-20 06:54:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-11-20 06:54:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:54:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:54:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:54:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:54:14,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-11-20 06:54:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-11-20 06:54:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-11-20 06:54:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-11-20 06:54:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:54:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:54:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 06:54:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 06:54:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 06:54:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 06:54:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:54:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:54:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:54:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-11-20 06:54:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-11-20 06:54:14,394 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-11-20 06:54:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-11-20 06:54:14,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-11-20 06:54:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-11-20 06:54:14,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:54:14,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-20 06:54:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-20 06:54:14,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-20 06:54:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-20 06:54:14,395 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-11-20 06:54:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-11-20 06:54:14,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:54:14,395 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-11-20 06:54:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-11-20 06:54:14,395 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-20 06:54:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-20 06:54:14,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 06:54:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 06:54:14,396 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 06:54:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 06:54:14,396 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-11-20 06:54:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-11-20 06:54:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-11-20 06:54:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-11-20 06:54:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 06:54:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 06:54:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:54:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:54:14,397 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 06:54:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 06:54:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-11-20 06:54:14,398 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-11-20 06:54:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-20 06:54:14,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-20 06:54:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-20 06:54:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-20 06:54:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:54:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:54:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-11-20 06:54:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-11-20 06:54:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-11-20 06:54:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-11-20 06:54:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-11-20 06:54:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-11-20 06:54:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-20 06:54:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-20 06:54:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-11-20 06:54:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-11-20 06:54:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-11-20 06:54:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-11-20 06:54:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-20 06:54:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-20 06:54:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-11-20 06:54:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-11-20 06:54:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 06:54:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 06:54:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:54:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:54:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-11-20 06:54:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-11-20 06:54:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 06:54:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 06:54:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:54:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:54:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-20 06:54:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-20 06:54:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-11-20 06:54:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-11-20 06:54:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:54:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-11-20 06:54:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-11-20 06:54:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-11-20 06:54:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-11-20 06:54:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-20 06:54:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-20 06:54:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:54:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:54:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-11-20 06:54:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-11-20 06:54:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-11-20 06:54:14,413 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-11-20 06:54:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-11-20 06:54:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-11-20 06:54:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-11-20 06:54:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-11-20 06:54:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-11-20 06:54:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-11-20 06:54:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-11-20 06:54:14,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-11-20 06:54:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-11-20 06:54:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-11-20 06:54:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-11-20 06:54:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-11-20 06:54:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-20 06:54:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-20 06:54:14,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-11-20 06:54:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-11-20 06:54:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-11-20 06:54:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-11-20 06:54:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-11-20 06:54:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-11-20 06:54:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 06:54:14,416 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 06:54:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-11-20 06:54:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-11-20 06:54:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-11-20 06:54:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-11-20 06:54:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 06:54:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 06:54:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-11-20 06:54:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-11-20 06:54:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-20 06:54:14,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-20 06:54:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:54:14,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:54:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-11-20 06:54:14,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-11-20 06:54:14,418 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-11-20 06:54:14,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-11-20 06:54:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-11-20 06:54:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-11-20 06:54:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-11-20 06:54:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-11-20 06:54:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:54:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-11-20 06:54:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-11-20 06:54:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-20 06:54:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-20 06:54:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-11-20 06:54:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-11-20 06:54:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-20 06:54:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-20 06:54:15,985 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:54:15,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:54:18,733 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:58:17,326 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:58:17,358 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:58:17,358 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:58:17,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:17 BoogieIcfgContainer [2021-11-20 06:58:17,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:58:17,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:58:17,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:58:17,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:58:17,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:54:06" (1/3) ... [2021-11-20 06:58:17,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149370f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:17, skipping insertion in model container [2021-11-20 06:58:17,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:54:12" (2/3) ... [2021-11-20 06:58:17,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149370f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:17, skipping insertion in model container [2021-11-20 06:58:17,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:17" (3/3) ... [2021-11-20 06:58:17,373 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-20 06:58:17,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:58:17,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:58:17,441 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:58:17,447 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 06:58:17,448 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:58:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2642 states have (on average 1.3198334595003784) internal successors, (3487), 2737 states have internal predecessors, (3487), 1126 states have call successors, (1126), 197 states have call predecessors, (1126), 196 states have return successors, (1122), 1117 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-11-20 06:58:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 06:58:17,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:58:17,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:58:17,552 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:58:17,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:58:17,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1413315198, now seen corresponding path program 1 times [2021-11-20 06:58:17,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:58:17,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588170888] [2021-11-20 06:58:17,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:58:17,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:58:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:58:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:58:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:58:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:58:19,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:58:19,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588170888] [2021-11-20 06:58:19,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588170888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:58:19,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:58:19,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:58:19,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601745542] [2021-11-20 06:58:19,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:58:19,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:58:19,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:58:19,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:58:19,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:58:19,171 INFO L87 Difference]: Start difference. First operand has 3966 states, 2642 states have (on average 1.3198334595003784) internal successors, (3487), 2737 states have internal predecessors, (3487), 1126 states have call successors, (1126), 197 states have call predecessors, (1126), 196 states have return successors, (1122), 1117 states have call predecessors, (1122), 1122 states have call successors, (1122) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:58:24,626 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 06:58:33,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:41,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:54,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:55,373 WARN L515 Checker$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 06:58:57,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:58:58,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:10,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:13,704 WARN L515 Checker$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 06:59:15,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:17,947 WARN L515 Checker$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 06:59:20,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:22,488 WARN L515 Checker$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 06:59:24,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:27,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:32,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:34,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:37,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:39,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:40,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:59:42,808 WARN L515 Checker$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 06:59:46,921 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 06:59:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:59:48,947 INFO L93 Difference]: Finished difference Result 12346 states and 18713 transitions. [2021-11-20 06:59:48,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:59:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2021-11-20 06:59:48,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:59:49,190 INFO L225 Difference]: With dead ends: 12346 [2021-11-20 06:59:49,190 INFO L226 Difference]: Without dead ends: 8339 [2021-11-20 06:59:49,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:59:49,253 INFO L933 BasicCegarLoop]: 6693 mSDtfsCounter, 6531 mSDsluCounter, 20705 mSDsCounter, 0 mSdLazyCounter, 5250 mSolverCounterSat, 2925 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 27398 SdHoareTripleChecker+Invalid, 8189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2925 IncrementalHoareTripleChecker+Valid, 5250 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:59:49,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7328 Valid, 27398 Invalid, 8189 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2925 Valid, 5250 Invalid, 14 Unknown, 0 Unchecked, 88.4s Time] [2021-11-20 06:59:49,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8339 states. [2021-11-20 06:59:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8339 to 7942. [2021-11-20 06:59:49,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7942 states, 5291 states have (on average 1.3135513135513135) internal successors, (6950), 5472 states have internal predecessors, (6950), 2249 states have call successors, (2249), 391 states have call predecessors, (2249), 401 states have return successors, (2350), 2244 states have call predecessors, (2350), 2248 states have call successors, (2350) [2021-11-20 06:59:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7942 states to 7942 states and 11549 transitions. [2021-11-20 06:59:50,006 INFO L78 Accepts]: Start accepts. Automaton has 7942 states and 11549 transitions. Word has length 33 [2021-11-20 06:59:50,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:59:50,008 INFO L470 AbstractCegarLoop]: Abstraction has 7942 states and 11549 transitions. [2021-11-20 06:59:50,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 06:59:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 7942 states and 11549 transitions. [2021-11-20 06:59:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-20 06:59:50,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:59:50,051 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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] [2021-11-20 06:59:50,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:59:50,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:59:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:59:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1676881754, now seen corresponding path program 1 times [2021-11-20 06:59:50,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:59:50,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829900631] [2021-11-20 06:59:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:59:50,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:59:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 06:59:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 06:59:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:59:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:59:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 06:59:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 06:59:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:59:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:59:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:59:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 06:59:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:59:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 06:59:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 06:59:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 06:59:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:59:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 06:59:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:59:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 06:59:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:59:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-20 06:59:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:59:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-20 06:59:51,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:59:51,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829900631] [2021-11-20 06:59:51,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829900631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:59:51,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:59:51,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:59:51,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080352766] [2021-11-20 06:59:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:59:51,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:59:51,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:59:51,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:59:51,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:59:51,888 INFO L87 Difference]: Start difference. First operand 7942 states and 11549 transitions. Second operand has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:00:00,127 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 07:00:02,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:19,365 WARN L515 Checker$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 07:00:39,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:40,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:00:42,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:03,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:08,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:09,479 WARN L515 Checker$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 07:01:10,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:20,639 WARN L515 Checker$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 07:01:30,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:31,620 WARN L515 Checker$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 07:01:33,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:34,986 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:49,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:53,561 WARN L515 Checker$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 07:01:55,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:01:57,734 WARN L515 Checker$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 07:02:00,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:02,465 WARN L515 Checker$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 07:02:04,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:19,722 WARN L515 Checker$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 07:02:22,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:24,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:26,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:29,020 WARN L515 Checker$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 07:02:31,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:33,636 WARN L515 Checker$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 07:02:38,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:40,291 WARN L515 Checker$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 07:02:42,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:47,286 WARN L515 Checker$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 07:02:49,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:02:56,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:00,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:01,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:02,869 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:04,878 WARN L515 Checker$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 07:03:12,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:16,501 WARN L515 Checker$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 07:03:18,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:21,016 WARN L515 Checker$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 07:03:23,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:25,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:27,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:30,599 WARN L515 Checker$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 07:03:32,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:34,654 WARN L515 Checker$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 07:03:37,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:39,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:40,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:43,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:44,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:03:44,327 INFO L93 Difference]: Finished difference Result 26108 states and 38628 transitions. [2021-11-20 07:03:44,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:03:44,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2021-11-20 07:03:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:03:44,497 INFO L225 Difference]: With dead ends: 26108 [2021-11-20 07:03:44,497 INFO L226 Difference]: Without dead ends: 18172 [2021-11-20 07:03:44,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-20 07:03:44,561 INFO L933 BasicCegarLoop]: 7683 mSDtfsCounter, 7982 mSDsluCounter, 13531 mSDsCounter, 0 mSdLazyCounter, 12772 mSolverCounterSat, 4448 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 219.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8992 SdHoareTripleChecker+Valid, 21214 SdHoareTripleChecker+Invalid, 17252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4448 IncrementalHoareTripleChecker+Valid, 12772 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:03:44,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8992 Valid, 21214 Invalid, 17252 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4448 Valid, 12772 Invalid, 32 Unknown, 0 Unchecked, 230.2s Time] [2021-11-20 07:03:44,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18172 states. [2021-11-20 07:03:45,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18172 to 15627. [2021-11-20 07:03:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15627 states, 10390 states have (on average 1.3085659287776708) internal successors, (13596), 10783 states have internal predecessors, (13596), 4406 states have call successors, (4406), 765 states have call predecessors, (4406), 830 states have return successors, (4754), 4417 states have call predecessors, (4754), 4405 states have call successors, (4754) [2021-11-20 07:03:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15627 states to 15627 states and 22756 transitions. [2021-11-20 07:03:45,647 INFO L78 Accepts]: Start accepts. Automaton has 15627 states and 22756 transitions. Word has length 190 [2021-11-20 07:03:45,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:03:45,649 INFO L470 AbstractCegarLoop]: Abstraction has 15627 states and 22756 transitions. [2021-11-20 07:03:45,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.75) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 07:03:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15627 states and 22756 transitions. [2021-11-20 07:03:45,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-11-20 07:03:45,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:03:45,919 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 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] [2021-11-20 07:03:45,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:03:45,920 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:03:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:03:45,923 INFO L85 PathProgramCache]: Analyzing trace with hash 882916107, now seen corresponding path program 1 times [2021-11-20 07:03:45,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:03:45,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974774794] [2021-11-20 07:03:45,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:03:45,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:03:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:03:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:03:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 07:03:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 07:03:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 07:03:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 07:03:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:03:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 07:03:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 07:03:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-20 07:03:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-20 07:03:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:03:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:03:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:03:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:03:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 07:03:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 07:03:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:03:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:03:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:03:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:03:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 07:03:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:03:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 07:03:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:03:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-20 07:03:47,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:03:47,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974774794] [2021-11-20 07:03:47,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974774794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:03:47,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:03:47,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:03:47,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499449370] [2021-11-20 07:03:47,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:03:47,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:03:47,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:03:47,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:03:47,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:03:47,960 INFO L87 Difference]: Start difference. First operand 15627 states and 22756 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 07:03:56,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:03:58,128 WARN L515 Checker$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 07:04:13,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:04:15,533 WARN L515 Checker$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 07:04:43,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:04:45,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:04:46,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:01,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:17,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:19,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:21,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:22,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:24,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:34,844 WARN L515 Checker$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 07:05:36,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:40,883 WARN L515 Checker$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 07:05:43,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:45,313 WARN L515 Checker$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 07:05:47,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:50,146 WARN L515 Checker$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 07:05:52,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:05:59,767 WARN L515 Checker$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 07:06:02,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:04,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:06,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:09,499 WARN L515 Checker$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 07:06:11,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:14,858 WARN L515 Checker$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 07:06:17,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:18,444 WARN L515 Checker$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 07:06:19,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:22,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:06:22,677 INFO L93 Difference]: Finished difference Result 33789 states and 49835 transitions. [2021-11-20 07:06:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:06:22,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 221 [2021-11-20 07:06:22,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:06:22,841 INFO L225 Difference]: With dead ends: 33789 [2021-11-20 07:06:22,842 INFO L226 Difference]: Without dead ends: 18162 [2021-11-20 07:06:22,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:06:22,925 INFO L933 BasicCegarLoop]: 5219 mSDtfsCounter, 3084 mSDsluCounter, 15363 mSDsCounter, 0 mSdLazyCounter, 8910 mSolverCounterSat, 4469 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3474 SdHoareTripleChecker+Valid, 20582 SdHoareTripleChecker+Invalid, 13398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4469 IncrementalHoareTripleChecker+Valid, 8910 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.3s IncrementalHoareTripleChecker+Time [2021-11-20 07:06:22,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3474 Valid, 20582 Invalid, 13398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4469 Valid, 8910 Invalid, 19 Unknown, 0 Unchecked, 153.3s Time] [2021-11-20 07:06:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18162 states. [2021-11-20 07:06:23,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18162 to 15630. [2021-11-20 07:06:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15630 states, 10393 states have (on average 1.308284422207255) internal successors, (13597), 10786 states have internal predecessors, (13597), 4406 states have call successors, (4406), 765 states have call predecessors, (4406), 830 states have return successors, (4754), 4417 states have call predecessors, (4754), 4405 states have call successors, (4754) [2021-11-20 07:06:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15630 states to 15630 states and 22757 transitions. [2021-11-20 07:06:24,020 INFO L78 Accepts]: Start accepts. Automaton has 15630 states and 22757 transitions. Word has length 221 [2021-11-20 07:06:24,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:06:24,020 INFO L470 AbstractCegarLoop]: Abstraction has 15630 states and 22757 transitions. [2021-11-20 07:06:24,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-20 07:06:24,020 INFO L276 IsEmpty]: Start isEmpty. Operand 15630 states and 22757 transitions. [2021-11-20 07:06:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-20 07:06:24,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:06:24,057 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 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] [2021-11-20 07:06:24,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:06:24,058 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:06:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:06:24,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1761630864, now seen corresponding path program 1 times [2021-11-20 07:06:24,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:06:24,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964297639] [2021-11-20 07:06:24,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:06:24,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:06:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 07:06:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 07:06:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:06:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 07:06:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 07:06:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 07:06:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 07:06:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:06:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 07:06:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 07:06:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:06:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 07:06:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:06:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 07:06:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:06:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:06:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 07:06:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-20 07:06:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-20 07:06:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 07:06:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-20 07:06:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 07:06:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-20 07:06:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:06:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 07:06:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:06:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-20 07:06:26,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:06:26,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964297639] [2021-11-20 07:06:26,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964297639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:06:26,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:06:26,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:06:26,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481462971] [2021-11-20 07:06:26,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:06:26,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:06:26,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:06:26,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:06:26,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:06:26,284 INFO L87 Difference]: Start difference. First operand 15630 states and 22757 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-20 07:06:36,406 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 07:06:37,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:39,502 WARN L515 Checker$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 07:06:45,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:06:47,331 WARN L515 Checker$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 07:07:05,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:07,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 07:07:24,773 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 []