./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--at76c50x-usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/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--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8 --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 d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:19:08,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:19:08,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:19:08,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:19:08,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:19:08,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:19:08,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:19:08,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:19:08,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:19:08,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:19:08,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:19:08,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:19:08,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:19:08,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:19:08,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:19:08,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:19:08,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:19:08,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:19:08,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:19:08,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:19:08,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:19:08,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:19:08,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:19:08,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:19:08,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:19:08,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:19:08,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:19:08,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:19:08,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:19:08,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:19:08,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:19:08,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:19:08,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:19:08,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:19:08,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:19:08,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:19:08,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:19:08,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:19:08,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:19:08,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:19:08,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:19:08,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:19:08,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:19:08,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:19:08,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:19:08,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:19:08,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:19:08,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:19:08,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:19:08,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:19:08,142 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:19:08,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:19:08,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:19:08,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:19:08,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:19:08,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:19:08,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:19:08,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:19:08,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:19:08,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:19:08,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:19:08,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:19:08,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:19:08,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:19:08,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:19:08,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:19:08,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:19:08,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:19:08,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:19:08,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:19:08,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:19:08,150 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:19:08,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:19:08,150 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:19:08,151 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-12-13 21:19:08,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:19:08,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:19:08,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:19:08,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:19:08,380 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:19:08,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:19:10,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:19:11,268 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:19:11,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:19:11,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/472c5e576/bb34288dcf5749479b485018703591e4/FLAG4cc4fe1f1 [2022-12-13 21:19:11,310 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/472c5e576/bb34288dcf5749479b485018703591e4 [2022-12-13 21:19:11,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:19:11,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:19:11,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:19:11,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:19:11,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:19:11,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:19:11" (1/1) ... [2022-12-13 21:19:11,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742b1ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:11, skipping insertion in model container [2022-12-13 21:19:11,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:19:11" (1/1) ... [2022-12-13 21:19:11,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:19:11,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:19:11,920 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,080 WARN L237 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-12-13 21:19:12,130 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 21:19:12,212 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 21:19:12,303 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:19:12,380 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,386 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,391 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,395 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:19:12,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,402 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,404 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,407 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,409 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:12,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,412 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,415 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:12,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,416 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,426 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:19:12,427 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:19:12,427 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:19:12,432 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:19:12,436 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,442 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,442 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,447 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,452 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,457 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,469 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,484 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,490 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,505 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:12,506 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:12,506 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,519 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:12,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,526 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:12,531 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,536 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,546 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,551 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,555 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,561 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,564 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,569 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,578 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,581 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,587 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,594 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,596 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,600 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,602 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,606 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,608 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,627 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,628 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,628 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:19:12,629 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:19:12,629 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:19:12,630 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:19:12,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,631 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,632 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,638 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,642 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:12,642 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,648 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,649 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,650 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:12,650 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:19:12,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,666 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,674 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,675 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,680 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,681 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,688 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-13 21:19:12,689 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-13 21:19:12,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,697 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:19:12,697 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:19:12,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,699 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:12,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,709 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 21:19:12,714 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,715 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 21:19:12,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,717 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,718 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,719 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:12,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,721 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,727 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,727 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,732 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,732 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,740 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 21:19:12,740 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:19:12,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,748 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:19:12,748 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:19:12,749 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:19:12,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,753 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:12,754 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:19:12,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,761 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,761 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,762 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,762 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,768 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-13 21:19:12,768 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:19:12,768 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:19:12,768 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,769 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:12,769 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,775 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,785 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,786 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,786 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:19:12,786 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,787 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,787 WARN L623 FunctionHandler]: Unknown extern function ieee80211_scan_completed [2022-12-13 21:19:12,787 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:19:12,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,793 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,793 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:19:12,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,796 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,796 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:19:12,796 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,802 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:12,802 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,803 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,808 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:12,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,814 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:19:12,818 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,823 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:12,824 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:12,828 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 21:19:12,829 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,829 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:19:12,830 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:12,830 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:12,830 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:12,830 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:12,831 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:12,831 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:12,831 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:12,831 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:12,832 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:19:12,832 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 21:19:12,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,837 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,838 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,839 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:19:12,839 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:19:12,840 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,847 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,849 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 21:19:12,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,850 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:12,851 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:12,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,856 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 21:19:12,856 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 21:19:12,856 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:12,857 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:19:12,857 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:12,857 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:19:12,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,857 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,858 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:19:12,858 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:12,858 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,858 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 21:19:12,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,863 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 21:19:12,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,864 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,865 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:12,865 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,865 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:12,866 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:12,867 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:12,868 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:12,868 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:12,872 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:12,872 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:12,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,877 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:19:12,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,878 WARN L623 FunctionHandler]: Unknown extern function led_trigger_register_simple [2022-12-13 21:19:12,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:12,882 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 21:19:12,882 WARN L623 FunctionHandler]: Unknown extern function led_trigger_unregister_simple [2022-12-13 21:19:12,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:19:12,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:19:12,900 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,901 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,901 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,901 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,901 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,902 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:19:12,902 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:12,902 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:19:12,903 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:19:12,952 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:19:12,961 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,962 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,970 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,970 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:12,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:19:13,005 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:19:13,085 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,088 WARN L237 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-12-13 21:19:13,090 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 21:19:13,094 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 21:19:13,098 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:19:13,105 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,106 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,106 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,106 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:19:13,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,108 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,109 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,109 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,110 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:13,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,111 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,112 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:13,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,114 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,115 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:19:13,116 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:19:13,116 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:19:13,116 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:19:13,116 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,117 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,118 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,118 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,119 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,121 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,125 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,126 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,129 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:13,129 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:19:13,129 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,131 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,131 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:13,132 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,132 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:13,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,135 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,135 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,136 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,137 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,138 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,141 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,143 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,144 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,144 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,146 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,147 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,148 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,150 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,151 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,151 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:19:13,151 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:19:13,151 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:19:13,152 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:19:13,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,152 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,152 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,153 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,155 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,155 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:13,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,156 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,156 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,157 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,157 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:19:13,157 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:19:13,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,163 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,165 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,165 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,166 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,166 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,167 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-13 21:19:13,168 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-13 21:19:13,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,171 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:19:13,171 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:19:13,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,172 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:13,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,173 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 21:19:13,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,175 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 21:19:13,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,175 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,177 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:13,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,178 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,181 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,181 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,182 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 21:19:13,183 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:19:13,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,184 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,184 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:19:13,185 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:19:13,185 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:19:13,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,187 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:13,187 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:19:13,187 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,188 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,189 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,189 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,189 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:13,190 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,191 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,191 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,192 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,192 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,193 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:19:13,193 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,193 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,193 WARN L623 FunctionHandler]: Unknown extern function ieee80211_scan_completed [2022-12-13 21:19:13,193 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:19:13,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,194 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,194 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:19:13,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,195 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,196 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:19:13,196 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,197 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:13,197 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,198 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,199 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:19:13,200 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,200 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,201 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:19:13,202 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,203 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:19:13,204 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:19:13,205 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 21:19:13,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,206 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:19:13,206 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:13,206 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:13,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:13,207 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:13,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:13,207 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:13,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:19:13,208 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:19:13,208 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:19:13,208 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 21:19:13,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,211 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:19:13,211 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:19:13,211 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,225 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,227 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 21:19:13,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,227 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:13,227 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:13,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,228 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 21:19:13,228 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,229 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:19:13,230 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:13,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,230 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 21:19:13,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,231 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 21:19:13,231 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,231 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,232 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:13,232 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,232 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:13,233 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:19:13,233 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:19:13,234 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:19:13,234 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:19:13,234 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:13,234 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:19:13,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,235 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:19:13,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,235 WARN L623 FunctionHandler]: Unknown extern function led_trigger_register_simple [2022-12-13 21:19:13,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:19:13,236 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 21:19:13,236 WARN L623 FunctionHandler]: Unknown extern function led_trigger_unregister_simple [2022-12-13 21:19:13,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:19:13,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:19:13,241 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,241 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,241 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,242 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,242 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,242 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:19:13,242 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:19:13,242 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:19:13,243 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:19:13,246 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:19:13,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,248 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,250 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,250 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:19:13,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:19:13,291 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:19:13,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13 WrapperNode [2022-12-13 21:19:13,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:19:13,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:19:13,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:19:13,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:19:13,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,467 INFO L138 Inliner]: procedures = 239, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5277 [2022-12-13 21:19:13,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:19:13,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:19:13,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:19:13,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:19:13,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,631 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:19:13,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:19:13,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:19:13,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:19:13,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (1/1) ... [2022-12-13 21:19:13,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:19:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:19:13,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:19:13,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:19:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-12-13 21:19:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-12-13 21:19:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 21:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-12-13 21:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-12-13 21:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 21:19:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 21:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 21:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 21:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-12-13 21:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-12-13 21:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 21:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-12-13 21:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 21:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-12-13 21:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-13 21:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-13 21:19:14,223 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:19:14,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:19:14,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:19:22,565 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:19:22,580 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:19:22,580 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 21:19:22,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:19:22 BoogieIcfgContainer [2022-12-13 21:19:22,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:19:22,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:19:22,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:19:22,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:19:22,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:19:11" (1/3) ... [2022-12-13 21:19:22,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3313c8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:19:22, skipping insertion in model container [2022-12-13 21:19:22,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:19:13" (2/3) ... [2022-12-13 21:19:22,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3313c8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:19:22, skipping insertion in model container [2022-12-13 21:19:22,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:19:22" (3/3) ... [2022-12-13 21:19:22,592 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:19:22,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:19:22,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:19:22,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:19:22,691 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@560d893d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:19:22,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:19:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2022-12-13 21:19:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 21:19:22,708 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:22,709 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-12-13 21:19:22,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:22,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:22,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1133408372, now seen corresponding path program 1 times [2022-12-13 21:19:22,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:22,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044828725] [2022-12-13 21:19:22,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:22,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:19:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:19:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:19:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:19:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:19:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:19:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-13 21:19:23,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:23,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044828725] [2022-12-13 21:19:23,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044828725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:23,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:23,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:19:23,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032009991] [2022-12-13 21:19:23,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:23,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:19:23,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:19:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:19:23,610 INFO L87 Difference]: Start difference. First operand has 1323 states, 958 states have (on average 1.3872651356993737) internal successors, (1329), 982 states have internal predecessors, (1329), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 21:19:31,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:33,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:35,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:37,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:39,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:41,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:43,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:45,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:46,111 INFO L93 Difference]: Finished difference Result 4218 states and 6448 transitions. [2022-12-13 21:19:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:19:46,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2022-12-13 21:19:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:46,143 INFO L225 Difference]: With dead ends: 4218 [2022-12-13 21:19:46,143 INFO L226 Difference]: Without dead ends: 2882 [2022-12-13 21:19:46,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:19:46,156 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 2957 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 1493 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 5053 SdHoareTripleChecker+Invalid, 4190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1493 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:46,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3211 Valid, 5053 Invalid, 4190 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1493 Valid, 2689 Invalid, 8 Unknown, 0 Unchecked, 22.1s Time] [2022-12-13 21:19:46,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2022-12-13 21:19:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2568. [2022-12-13 21:19:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1868 states have (on average 1.3790149892933619) internal successors, (2576), 1902 states have internal predecessors, (2576), 567 states have call successors, (567), 133 states have call predecessors, (567), 132 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 21:19:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 3709 transitions. [2022-12-13 21:19:46,342 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 3709 transitions. Word has length 80 [2022-12-13 21:19:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:46,343 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 3709 transitions. [2022-12-13 21:19:46,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 21:19:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 3709 transitions. [2022-12-13 21:19:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-13 21:19:46,350 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:46,350 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-12-13 21:19:46,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:19:46,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:46,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1308665666, now seen corresponding path program 1 times [2022-12-13 21:19:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:46,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12967476] [2022-12-13 21:19:46,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:19:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:19:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:19:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:19:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:19:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:19:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:19:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:19:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-13 21:19:47,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:47,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12967476] [2022-12-13 21:19:47,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12967476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:47,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:47,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:19:47,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467326206] [2022-12-13 21:19:47,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:47,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:19:47,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:47,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:19:47,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:19:47,193 INFO L87 Difference]: Start difference. First operand 2568 states and 3709 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:19:55,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:57,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:59,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:01,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:02,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:02,460 INFO L93 Difference]: Finished difference Result 8273 states and 12297 transitions. [2022-12-13 21:20:02,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:20:02,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 96 [2022-12-13 21:20:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:02,480 INFO L225 Difference]: With dead ends: 8273 [2022-12-13 21:20:02,480 INFO L226 Difference]: Without dead ends: 5719 [2022-12-13 21:20:02,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:20:02,488 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 2956 mSDsluCounter, 6029 mSDsCounter, 0 mSdLazyCounter, 4498 mSolverCounterSat, 1493 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 7881 SdHoareTripleChecker+Invalid, 5995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1493 IncrementalHoareTripleChecker+Valid, 4498 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:02,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 7881 Invalid, 5995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1493 Valid, 4498 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-12-13 21:20:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5719 states. [2022-12-13 21:20:02,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5719 to 5129. [2022-12-13 21:20:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 3735 states have (on average 1.3801874163319947) internal successors, (5155), 3805 states have internal predecessors, (5155), 1123 states have call successors, (1123), 265 states have call predecessors, (1123), 270 states have return successors, (1143), 1122 states have call predecessors, (1143), 1122 states have call successors, (1143) [2022-12-13 21:20:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 7421 transitions. [2022-12-13 21:20:02,673 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 7421 transitions. Word has length 96 [2022-12-13 21:20:02,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:02,673 INFO L495 AbstractCegarLoop]: Abstraction has 5129 states and 7421 transitions. [2022-12-13 21:20:02,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:20:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 7421 transitions. [2022-12-13 21:20:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-13 21:20:02,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:02,681 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-12-13 21:20:02,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:20:02,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:02,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1031569295, now seen corresponding path program 1 times [2022-12-13 21:20:02,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:02,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384005833] [2022-12-13 21:20:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:20:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:20:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:20:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:20:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:20:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:20:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:20:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 21:20:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:20:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:20:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 21:20:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:20:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 21:20:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-12-13 21:20:03,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:03,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384005833] [2022-12-13 21:20:03,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384005833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:03,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:03,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:20:03,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966415811] [2022-12-13 21:20:03,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:03,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:20:03,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:03,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:20:03,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:20:03,153 INFO L87 Difference]: Start difference. First operand 5129 states and 7421 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 21:20:09,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:11,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:13,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:15,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:18,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:20,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:22,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:24,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:24,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:24,630 INFO L93 Difference]: Finished difference Result 13173 states and 19380 transitions. [2022-12-13 21:20:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:20:24,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 144 [2022-12-13 21:20:24,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:24,664 INFO L225 Difference]: With dead ends: 13173 [2022-12-13 21:20:24,664 INFO L226 Difference]: Without dead ends: 8068 [2022-12-13 21:20:24,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:20:24,675 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 1976 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 1392 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 4738 SdHoareTripleChecker+Invalid, 3712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1392 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:24,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 4738 Invalid, 3712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1392 Valid, 2312 Invalid, 8 Unknown, 0 Unchecked, 21.2s Time] [2022-12-13 21:20:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2022-12-13 21:20:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 7368. [2022-12-13 21:20:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7368 states, 5407 states have (on average 1.3772886998335492) internal successors, (7447), 5493 states have internal predecessors, (7447), 1550 states have call successors, (1550), 397 states have call predecessors, (1550), 410 states have return successors, (1586), 1549 states have call predecessors, (1586), 1549 states have call successors, (1586) [2022-12-13 21:20:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7368 states to 7368 states and 10583 transitions. [2022-12-13 21:20:24,979 INFO L78 Accepts]: Start accepts. Automaton has 7368 states and 10583 transitions. Word has length 144 [2022-12-13 21:20:24,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:24,980 INFO L495 AbstractCegarLoop]: Abstraction has 7368 states and 10583 transitions. [2022-12-13 21:20:24,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 21:20:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7368 states and 10583 transitions. [2022-12-13 21:20:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 21:20:24,986 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:24,986 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-12-13 21:20:24,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:20:24,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:24,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1280360539, now seen corresponding path program 1 times [2022-12-13 21:20:24,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:24,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057329045] [2022-12-13 21:20:24,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:20:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:20:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:20:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:20:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:20:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:20:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:20:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 21:20:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 21:20:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:20:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:20:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:20:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 21:20:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 21:20:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-13 21:20:25,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:25,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057329045] [2022-12-13 21:20:25,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057329045] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:25,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:25,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:20:25,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612838365] [2022-12-13 21:20:25,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:25,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:20:25,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:25,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:20:25,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:20:25,454 INFO L87 Difference]: Start difference. First operand 7368 states and 10583 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 21:20:33,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:35,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:37,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:39,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:41,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:42,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:42,952 INFO L93 Difference]: Finished difference Result 19475 states and 28560 transitions. [2022-12-13 21:20:42,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:20:42,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-12-13 21:20:42,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:42,996 INFO L225 Difference]: With dead ends: 19475 [2022-12-13 21:20:42,996 INFO L226 Difference]: Without dead ends: 12142 [2022-12-13 21:20:43,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:20:43,010 INFO L413 NwaCegarLoop]: 2110 mSDtfsCounter, 2454 mSDsluCounter, 4814 mSDsCounter, 0 mSdLazyCounter, 4341 mSolverCounterSat, 1413 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2665 SdHoareTripleChecker+Valid, 6924 SdHoareTripleChecker+Invalid, 5759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 4341 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:43,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2665 Valid, 6924 Invalid, 5759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1413 Valid, 4341 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2022-12-13 21:20:43,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12142 states. [2022-12-13 21:20:43,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12142 to 10770. [2022-12-13 21:20:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10770 states, 7866 states have (on average 1.3752860411899313) internal successors, (10818), 8014 states have internal predecessors, (10818), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-12-13 21:20:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10770 states to 10770 states and 15420 transitions. [2022-12-13 21:20:43,404 INFO L78 Accepts]: Start accepts. Automaton has 10770 states and 15420 transitions. Word has length 156 [2022-12-13 21:20:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:43,404 INFO L495 AbstractCegarLoop]: Abstraction has 10770 states and 15420 transitions. [2022-12-13 21:20:43,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 21:20:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 10770 states and 15420 transitions. [2022-12-13 21:20:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 21:20:43,427 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:43,427 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2022-12-13 21:20:43,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:20:43,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:43,428 INFO L85 PathProgramCache]: Analyzing trace with hash 415274850, now seen corresponding path program 1 times [2022-12-13 21:20:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220867129] [2022-12-13 21:20:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:20:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:20:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:20:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:20:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:20:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:20:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:20:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:20:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:20:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:20:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:20:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:20:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:20:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:20:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 21:20:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 21:20:44,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:44,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220867129] [2022-12-13 21:20:44,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220867129] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:44,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:44,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:20:44,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805316821] [2022-12-13 21:20:44,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:44,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:20:44,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:44,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:20:44,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:20:44,470 INFO L87 Difference]: Start difference. First operand 10770 states and 15420 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:20:47,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:50,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:52,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:54,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:56,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:58,060 INFO L93 Difference]: Finished difference Result 22746 states and 33220 transitions. [2022-12-13 21:20:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:20:58,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-12-13 21:20:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:58,101 INFO L225 Difference]: With dead ends: 22746 [2022-12-13 21:20:58,101 INFO L226 Difference]: Without dead ends: 12015 [2022-12-13 21:20:58,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:20:58,127 INFO L413 NwaCegarLoop]: 1561 mSDtfsCounter, 914 mSDsluCounter, 3079 mSDsCounter, 0 mSdLazyCounter, 2065 mSolverCounterSat, 969 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 960 SdHoareTripleChecker+Valid, 4640 SdHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 2065 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:58,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [960 Valid, 4640 Invalid, 3038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 2065 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-12-13 21:20:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12015 states. [2022-12-13 21:20:58,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12015 to 10778. [2022-12-13 21:20:58,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7874 states have (on average 1.3743967487934976) internal successors, (10822), 8022 states have internal predecessors, (10822), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 625 states have return successors, (2324), 2277 states have call predecessors, (2324), 2277 states have call successors, (2324) [2022-12-13 21:20:58,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15424 transitions. [2022-12-13 21:20:58,628 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15424 transitions. Word has length 168 [2022-12-13 21:20:58,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:58,629 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15424 transitions. [2022-12-13 21:20:58,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:20:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15424 transitions. [2022-12-13 21:20:58,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 21:20:58,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:58,641 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2022-12-13 21:20:58,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:20:58,642 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:58,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash -970928544, now seen corresponding path program 1 times [2022-12-13 21:20:58,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:58,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390343748] [2022-12-13 21:20:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:58,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:20:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:20:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:20:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:20:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:20:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:20:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:20:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:20:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:20:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:20:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:20:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:20:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:20:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:20:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 21:20:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-12-13 21:20:59,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:59,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390343748] [2022-12-13 21:20:59,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390343748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:59,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:59,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:20:59,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496270140] [2022-12-13 21:20:59,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:59,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:20:59,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:59,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:20:59,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:20:59,531 INFO L87 Difference]: Start difference. First operand 10778 states and 15424 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:21:06,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:08,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:10,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:12,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:13,873 INFO L93 Difference]: Finished difference Result 22682 states and 33128 transitions. [2022-12-13 21:21:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:21:13,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 168 [2022-12-13 21:21:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:13,904 INFO L225 Difference]: With dead ends: 22682 [2022-12-13 21:21:13,904 INFO L226 Difference]: Without dead ends: 11943 [2022-12-13 21:21:13,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:21:13,922 INFO L413 NwaCegarLoop]: 1565 mSDtfsCounter, 852 mSDsluCounter, 5786 mSDsCounter, 0 mSdLazyCounter, 3409 mSolverCounterSat, 965 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 7351 SdHoareTripleChecker+Invalid, 4378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 965 IncrementalHoareTripleChecker+Valid, 3409 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:13,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 7351 Invalid, 4378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [965 Valid, 3409 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-12-13 21:21:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11943 states. [2022-12-13 21:21:14,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11943 to 10778. [2022-12-13 21:21:14,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10778 states, 7866 states have (on average 1.372743452834986) internal successors, (10798), 8018 states have internal predecessors, (10798), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-12-13 21:21:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10778 states to 10778 states and 15411 transitions. [2022-12-13 21:21:14,257 INFO L78 Accepts]: Start accepts. Automaton has 10778 states and 15411 transitions. Word has length 168 [2022-12-13 21:21:14,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:14,258 INFO L495 AbstractCegarLoop]: Abstraction has 10778 states and 15411 transitions. [2022-12-13 21:21:14,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (20), 5 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:21:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10778 states and 15411 transitions. [2022-12-13 21:21:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 21:21:14,268 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:14,268 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 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] [2022-12-13 21:21:14,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:21:14,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:14,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1963341647, now seen corresponding path program 1 times [2022-12-13 21:21:14,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:14,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425056494] [2022-12-13 21:21:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:21:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:21:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:21:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:21:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:21:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:21:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:21:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:21:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:21:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:21:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:21:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:21:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:21:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:21:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:21:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:21:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 21:21:14,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:21:14,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425056494] [2022-12-13 21:21:14,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425056494] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:21:14,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24290326] [2022-12-13 21:21:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:14,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:21:14,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:21:14,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:21:14,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:21:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:15,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:21:15,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-12-13 21:21:15,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:21:15,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24290326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:15,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:21:15,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-12-13 21:21:15,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978040605] [2022-12-13 21:21:15,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:15,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:21:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:21:15,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:21:15,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:21:15,699 INFO L87 Difference]: Start difference. First operand 10778 states and 15411 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:21:16,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:16,018 INFO L93 Difference]: Finished difference Result 21543 states and 30804 transitions. [2022-12-13 21:21:16,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:21:16,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-12-13 21:21:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:16,049 INFO L225 Difference]: With dead ends: 21543 [2022-12-13 21:21:16,049 INFO L226 Difference]: Without dead ends: 10794 [2022-12-13 21:21:16,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:21:16,073 INFO L413 NwaCegarLoop]: 1887 mSDtfsCounter, 19 mSDsluCounter, 5658 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7545 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:16,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 7545 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:21:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10794 states. [2022-12-13 21:21:16,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10794 to 10783. [2022-12-13 21:21:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10783 states, 7871 states have (on average 1.3722525727353576) internal successors, (10801), 8023 states have internal predecessors, (10801), 2278 states have call successors, (2278), 606 states have call predecessors, (2278), 633 states have return successors, (2335), 2281 states have call predecessors, (2335), 2277 states have call successors, (2335) [2022-12-13 21:21:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10783 states to 10783 states and 15414 transitions. [2022-12-13 21:21:16,377 INFO L78 Accepts]: Start accepts. Automaton has 10783 states and 15414 transitions. Word has length 175 [2022-12-13 21:21:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:16,377 INFO L495 AbstractCegarLoop]: Abstraction has 10783 states and 15414 transitions. [2022-12-13 21:21:16,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:21:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 10783 states and 15414 transitions. [2022-12-13 21:21:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 21:21:16,386 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:16,387 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 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] [2022-12-13 21:21:16,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:21:16,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 21:21:16,587 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash -86278417, now seen corresponding path program 1 times [2022-12-13 21:21:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:16,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843019574] [2022-12-13 21:21:16,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:21:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:21:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:21:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:21:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:21:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:21:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:21:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:21:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:21:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:21:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:21:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:21:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:21:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:21:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:21:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:21:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 21:21:17,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:21:17,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843019574] [2022-12-13 21:21:17,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843019574] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:21:17,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008433327] [2022-12-13 21:21:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:21:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:21:17,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:21:17,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:21:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:18,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 5324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:21:18,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-13 21:21:18,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:21:18,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008433327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:18,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:21:18,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2022-12-13 21:21:18,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157654296] [2022-12-13 21:21:18,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:18,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:21:18,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:21:18,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:21:18,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:21:18,215 INFO L87 Difference]: Start difference. First operand 10783 states and 15414 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:21:20,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:20,219 INFO L93 Difference]: Finished difference Result 32270 states and 46141 transitions. [2022-12-13 21:21:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:21:20,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 175 [2022-12-13 21:21:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:20,303 INFO L225 Difference]: With dead ends: 32270 [2022-12-13 21:21:20,304 INFO L226 Difference]: Without dead ends: 32257 [2022-12-13 21:21:20,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:21:20,316 INFO L413 NwaCegarLoop]: 4018 mSDtfsCounter, 3639 mSDsluCounter, 3145 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 7163 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:20,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 7163 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 21:21:20,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32257 states. [2022-12-13 21:21:21,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32257 to 32211. [2022-12-13 21:21:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32211 states, 23507 states have (on average 1.373505764240439) internal successors, (32287), 23979 states have internal predecessors, (32287), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6805 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-12-13 21:21:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32211 states to 32211 states and 46080 transitions. [2022-12-13 21:21:21,247 INFO L78 Accepts]: Start accepts. Automaton has 32211 states and 46080 transitions. Word has length 175 [2022-12-13 21:21:21,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:21,247 INFO L495 AbstractCegarLoop]: Abstraction has 32211 states and 46080 transitions. [2022-12-13 21:21:21,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:21:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32211 states and 46080 transitions. [2022-12-13 21:21:21,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 21:21:21,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:21,264 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 3, 3, 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] [2022-12-13 21:21:21,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:21:21,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:21:21,466 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:21,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:21,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1674626319, now seen corresponding path program 1 times [2022-12-13 21:21:21,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:21,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468027001] [2022-12-13 21:21:21,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:21,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:21:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:21:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:21:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:21:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:21:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:21:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:21:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:21:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:21:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:21:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:21:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:21:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:21:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:21:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:21:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:21:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:21:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 21:21:22,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:21:22,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468027001] [2022-12-13 21:21:22,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468027001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:22,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:21:22,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:21:22,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105031849] [2022-12-13 21:21:22,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:22,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:21:22,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:21:22,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:21:22,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:21:22,049 INFO L87 Difference]: Start difference. First operand 32211 states and 46080 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 21:21:31,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:33,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:35,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:37,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:39,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:41,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:44,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:46,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:48,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:50,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:52,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:54,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:56,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:56,137 INFO L93 Difference]: Finished difference Result 79512 states and 118469 transitions. [2022-12-13 21:21:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:21:56,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 175 [2022-12-13 21:21:56,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:56,268 INFO L225 Difference]: With dead ends: 79512 [2022-12-13 21:21:56,268 INFO L226 Difference]: Without dead ends: 47340 [2022-12-13 21:21:56,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:21:56,327 INFO L413 NwaCegarLoop]: 2207 mSDtfsCounter, 2747 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 3536 mSolverCounterSat, 767 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 7453 SdHoareTripleChecker+Invalid, 4315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 767 IncrementalHoareTripleChecker+Valid, 3536 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:56,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 7453 Invalid, 4315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [767 Valid, 3536 Invalid, 12 Unknown, 0 Unchecked, 32.7s Time] [2022-12-13 21:21:56,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47340 states. [2022-12-13 21:21:57,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47340 to 32187. [2022-12-13 21:21:57,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32187 states, 23483 states have (on average 1.3728654771536857) internal successors, (32239), 23963 states have internal predecessors, (32239), 6810 states have call successors, (6810), 1810 states have call predecessors, (6810), 1893 states have return successors, (6983), 6797 states have call predecessors, (6983), 6809 states have call successors, (6983) [2022-12-13 21:21:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32187 states to 32187 states and 46032 transitions. [2022-12-13 21:21:57,556 INFO L78 Accepts]: Start accepts. Automaton has 32187 states and 46032 transitions. Word has length 175 [2022-12-13 21:21:57,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:57,557 INFO L495 AbstractCegarLoop]: Abstraction has 32187 states and 46032 transitions. [2022-12-13 21:21:57,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 21:21:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32187 states and 46032 transitions. [2022-12-13 21:21:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-13 21:21:57,577 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:57,577 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 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] [2022-12-13 21:21:57,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:21:57,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:57,578 INFO L85 PathProgramCache]: Analyzing trace with hash -355767504, now seen corresponding path program 1 times [2022-12-13 21:21:57,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:57,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603727748] [2022-12-13 21:21:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:57,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:21:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:21:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:21:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:21:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:21:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:21:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:21:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:21:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:21:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:21:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:21:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:21:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:21:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 21:21:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:21:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:21:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:21:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:21:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-12-13 21:21:58,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:21:58,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603727748] [2022-12-13 21:21:58,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603727748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:58,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:21:58,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:21:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848981015] [2022-12-13 21:21:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:58,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:21:58,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:21:58,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:21:58,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:21:58,065 INFO L87 Difference]: Start difference. First operand 32187 states and 46032 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 21:22:06,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:08,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:10,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:12,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:15,250 INFO L93 Difference]: Finished difference Result 81827 states and 119197 transitions. [2022-12-13 21:22:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:22:15,250 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 180 [2022-12-13 21:22:15,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:15,402 INFO L225 Difference]: With dead ends: 81827 [2022-12-13 21:22:15,402 INFO L226 Difference]: Without dead ends: 49679 [2022-12-13 21:22:15,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:22:15,460 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 3268 mSDsluCounter, 4238 mSDsCounter, 0 mSdLazyCounter, 4416 mSolverCounterSat, 1851 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 6271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1851 IncrementalHoareTripleChecker+Valid, 4416 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:15,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 5942 Invalid, 6271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1851 Valid, 4416 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-12-13 21:22:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49679 states. [2022-12-13 21:22:16,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49679 to 44011. [2022-12-13 21:22:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44011 states, 32113 states have (on average 1.3672033132999097) internal successors, (43905), 32805 states have internal predecessors, (43905), 9188 states have call successors, (9188), 2558 states have call predecessors, (9188), 2709 states have return successors, (9495), 9217 states have call predecessors, (9495), 9187 states have call successors, (9495) [2022-12-13 21:22:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44011 states to 44011 states and 62588 transitions. [2022-12-13 21:22:17,093 INFO L78 Accepts]: Start accepts. Automaton has 44011 states and 62588 transitions. Word has length 180 [2022-12-13 21:22:17,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:17,093 INFO L495 AbstractCegarLoop]: Abstraction has 44011 states and 62588 transitions. [2022-12-13 21:22:17,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (21), 7 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 21:22:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 44011 states and 62588 transitions. [2022-12-13 21:22:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-12-13 21:22:17,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:17,107 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:17,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:22:17,108 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:17,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1650290853, now seen corresponding path program 1 times [2022-12-13 21:22:17,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:17,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812925391] [2022-12-13 21:22:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:17,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:22:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:22:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:22:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:22:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:22:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:22:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:22:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:22:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:22:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:22:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:22:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:22:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:22:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:22:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:22:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:22:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:22:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:22:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 21:22:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-12-13 21:22:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-12-13 21:22:17,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:17,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812925391] [2022-12-13 21:22:17,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812925391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:17,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:17,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:22:17,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077810844] [2022-12-13 21:22:17,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:17,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:22:17,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:17,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:22:17,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:22:17,542 INFO L87 Difference]: Start difference. First operand 44011 states and 62588 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 21:22:24,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:26,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:28,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:30,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:32,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:32,773 INFO L93 Difference]: Finished difference Result 71072 states and 102421 transitions. [2022-12-13 21:22:32,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:22:32,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 191 [2022-12-13 21:22:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:32,850 INFO L225 Difference]: With dead ends: 71072 [2022-12-13 21:22:32,850 INFO L226 Difference]: Without dead ends: 26960 [2022-12-13 21:22:32,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:22:32,912 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 2694 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 1420 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 3525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1420 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:32,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2923 Valid, 4425 Invalid, 3525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1420 Valid, 2101 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2022-12-13 21:22:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26960 states. [2022-12-13 21:22:33,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26960 to 24321. [2022-12-13 21:22:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24321 states, 17788 states have (on average 1.3642343152687204) internal successors, (24267), 18146 states have internal predecessors, (24267), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-12-13 21:22:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24321 states to 24321 states and 34490 transitions. [2022-12-13 21:22:33,838 INFO L78 Accepts]: Start accepts. Automaton has 24321 states and 34490 transitions. Word has length 191 [2022-12-13 21:22:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:33,838 INFO L495 AbstractCegarLoop]: Abstraction has 24321 states and 34490 transitions. [2022-12-13 21:22:33,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-13 21:22:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 24321 states and 34490 transitions. [2022-12-13 21:22:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-12-13 21:22:33,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:33,854 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2022-12-13 21:22:33,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:22:33,855 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:33,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1824154570, now seen corresponding path program 1 times [2022-12-13 21:22:33,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:33,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860500167] [2022-12-13 21:22:33,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:22:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:22:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:22:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:22:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:22:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:22:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:22:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:22:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:22:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:22:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:22:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:22:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:22:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:22:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:22:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:22:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:22:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:22:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 21:22:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:22:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:22:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:22:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 21:22:34,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:34,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860500167] [2022-12-13 21:22:34,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860500167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:34,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:34,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:22:34,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823818449] [2022-12-13 21:22:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:34,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:22:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:22:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:22:34,476 INFO L87 Difference]: Start difference. First operand 24321 states and 34490 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-13 21:22:37,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:42,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:44,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:46,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:48,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:50,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:52,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:22:54,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:54,598 INFO L93 Difference]: Finished difference Result 26936 states and 39582 transitions. [2022-12-13 21:22:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:22:54,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 214 [2022-12-13 21:22:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:54,658 INFO L225 Difference]: With dead ends: 26936 [2022-12-13 21:22:54,658 INFO L226 Difference]: Without dead ends: 26928 [2022-12-13 21:22:54,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:22:54,667 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 404 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 2877 mSolverCounterSat, 330 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 5343 SdHoareTripleChecker+Invalid, 3213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 2877 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:54,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 5343 Invalid, 3213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 2877 Invalid, 6 Unknown, 0 Unchecked, 19.0s Time] [2022-12-13 21:22:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26928 states. [2022-12-13 21:22:55,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26928 to 24322. [2022-12-13 21:22:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24322 states, 17789 states have (on average 1.3642138400134916) internal successors, (24268), 18147 states have internal predecessors, (24268), 5028 states have call successors, (5028), 1423 states have call predecessors, (5028), 1504 states have return successors, (5195), 5044 states have call predecessors, (5195), 5027 states have call successors, (5195) [2022-12-13 21:22:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24322 states to 24322 states and 34491 transitions. [2022-12-13 21:22:55,596 INFO L78 Accepts]: Start accepts. Automaton has 24322 states and 34491 transitions. Word has length 214 [2022-12-13 21:22:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:55,596 INFO L495 AbstractCegarLoop]: Abstraction has 24322 states and 34491 transitions. [2022-12-13 21:22:55,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-13 21:22:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 24322 states and 34491 transitions. [2022-12-13 21:22:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-13 21:22:55,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:55,612 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2022-12-13 21:22:55,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:22:55,613 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:55,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:55,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1606496710, now seen corresponding path program 1 times [2022-12-13 21:22:55,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:55,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940005993] [2022-12-13 21:22:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:55,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:22:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:22:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:22:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:22:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:22:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:22:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:22:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:22:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:22:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:22:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:22:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:22:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:22:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:22:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:22:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:22:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:22:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:22:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 21:22:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:22:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:22:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:22:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 21:22:56,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:56,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940005993] [2022-12-13 21:22:56,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940005993] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:22:56,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898882619] [2022-12-13 21:22:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:56,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:22:56,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:22:56,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:22:56,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 21:22:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:56,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 21:22:56,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-13 21:22:57,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:57,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898882619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:57,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:22:57,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-12-13 21:22:57,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974930194] [2022-12-13 21:22:57,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:57,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:57,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:22:57,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:57,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:22:57,044 INFO L87 Difference]: Start difference. First operand 24322 states and 34491 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:22:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:58,001 INFO L93 Difference]: Finished difference Result 45602 states and 65001 transitions. [2022-12-13 21:22:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:58,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-12-13 21:22:58,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:58,044 INFO L225 Difference]: With dead ends: 45602 [2022-12-13 21:22:58,044 INFO L226 Difference]: Without dead ends: 21358 [2022-12-13 21:22:58,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:22:58,082 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 1503 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:58,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1521 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:22:58,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21358 states. [2022-12-13 21:22:59,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21358 to 21358. [2022-12-13 21:22:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21358 states, 15719 states have (on average 1.2855143456962912) internal successors, (20207), 15897 states have internal predecessors, (20207), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-12-13 21:22:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21358 states to 21358 states and 28762 transitions. [2022-12-13 21:22:59,102 INFO L78 Accepts]: Start accepts. Automaton has 21358 states and 28762 transitions. Word has length 217 [2022-12-13 21:22:59,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:59,102 INFO L495 AbstractCegarLoop]: Abstraction has 21358 states and 28762 transitions. [2022-12-13 21:22:59,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:22:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21358 states and 28762 transitions. [2022-12-13 21:22:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-13 21:22:59,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:59,117 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2022-12-13 21:22:59,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 21:22:59,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 21:22:59,319 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:59,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:59,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1909518782, now seen corresponding path program 1 times [2022-12-13 21:22:59,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:22:59,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079388299] [2022-12-13 21:22:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:59,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:22:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:22:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:22:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:22:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:22:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:22:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:22:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:22:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:22:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:22:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:22:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:22:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:22:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:22:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:22:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 21:22:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:22:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:22:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:22:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:22:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 21:22:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:22:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 21:22:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:22:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 21:22:59,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:22:59,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079388299] [2022-12-13 21:22:59,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079388299] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:22:59,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721962517] [2022-12-13 21:22:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:59,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:22:59,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:22:59,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:22:59,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 21:23:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:00,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 5463 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 21:23:00,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:23:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-12-13 21:23:00,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:23:00,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721962517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:23:00,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:23:00,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-12-13 21:23:00,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169380439] [2022-12-13 21:23:00,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:23:00,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:23:00,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:23:00,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:23:00,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:23:00,614 INFO L87 Difference]: Start difference. First operand 21358 states and 28762 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:23:01,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:23:01,712 INFO L93 Difference]: Finished difference Result 42741 states and 57974 transitions. [2022-12-13 21:23:01,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:23:01,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 217 [2022-12-13 21:23:01,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:23:01,778 INFO L225 Difference]: With dead ends: 42741 [2022-12-13 21:23:01,778 INFO L226 Difference]: Without dead ends: 21377 [2022-12-13 21:23:01,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:23:01,827 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 2 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4721 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:23:01,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4721 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:23:01,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21377 states. [2022-12-13 21:23:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21377 to 21377. [2022-12-13 21:23:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21377 states, 15738 states have (on average 1.2851696530690049) internal successors, (20226), 15916 states have internal predecessors, (20226), 4194 states have call successors, (4194), 1363 states have call predecessors, (4194), 1444 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-12-13 21:23:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21377 states to 21377 states and 28781 transitions. [2022-12-13 21:23:02,720 INFO L78 Accepts]: Start accepts. Automaton has 21377 states and 28781 transitions. Word has length 217 [2022-12-13 21:23:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:23:02,720 INFO L495 AbstractCegarLoop]: Abstraction has 21377 states and 28781 transitions. [2022-12-13 21:23:02,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:23:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 21377 states and 28781 transitions. [2022-12-13 21:23:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-13 21:23:02,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:23:02,737 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 4, 4, 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] [2022-12-13 21:23:02,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 21:23:02,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 21:23:02,939 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:23:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:23:02,940 INFO L85 PathProgramCache]: Analyzing trace with hash 755605214, now seen corresponding path program 1 times [2022-12-13 21:23:02,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:23:02,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487105730] [2022-12-13 21:23:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:23:02,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:23:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:23:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:23:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:23:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:23:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:23:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:23:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:23:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:23:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 21:23:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 21:23:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 21:23:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 21:23:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 21:23:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 21:23:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:23:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:23:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:23:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 21:23:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:23:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 21:23:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 21:23:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 21:23:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-12-13 21:23:03,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:23:03,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487105730] [2022-12-13 21:23:03,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487105730] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:23:03,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040842081] [2022-12-13 21:23:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:23:03,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:23:03,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:23:03,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:23:03,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 21:23:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:04,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 5493 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 21:23:04,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:23:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-12-13 21:23:04,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:23:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-13 21:23:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040842081] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:23:04,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:23:04,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-12-13 21:23:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389572037] [2022-12-13 21:23:04,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:23:04,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 21:23:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:23:04,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 21:23:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:23:04,341 INFO L87 Difference]: Start difference. First operand 21377 states and 28781 transitions. Second operand has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 21:23:10,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:12,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:14,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:16,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:23:18,445 INFO L93 Difference]: Finished difference Result 44943 states and 61990 transitions. [2022-12-13 21:23:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 21:23:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 219 [2022-12-13 21:23:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:23:18,514 INFO L225 Difference]: With dead ends: 44943 [2022-12-13 21:23:18,514 INFO L226 Difference]: Without dead ends: 23560 [2022-12-13 21:23:18,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2022-12-13 21:23:18,560 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 553 mSDsluCounter, 5977 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 565 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 7276 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:23:18,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 7276 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 3339 Invalid, 4 Unknown, 0 Unchecked, 13.0s Time] [2022-12-13 21:23:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23560 states. [2022-12-13 21:23:19,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23560 to 21551. [2022-12-13 21:23:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21551 states, 15893 states have (on average 1.2859749575284716) internal successors, (20438), 16071 states have internal predecessors, (20438), 4194 states have call successors, (4194), 1382 states have call predecessors, (4194), 1463 states have return successors, (4361), 4210 states have call predecessors, (4361), 4193 states have call successors, (4361) [2022-12-13 21:23:19,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21551 states to 21551 states and 28993 transitions. [2022-12-13 21:23:19,913 INFO L78 Accepts]: Start accepts. Automaton has 21551 states and 28993 transitions. Word has length 219 [2022-12-13 21:23:19,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:23:19,914 INFO L495 AbstractCegarLoop]: Abstraction has 21551 states and 28993 transitions. [2022-12-13 21:23:19,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (63), 5 states have call predecessors, (63), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-13 21:23:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 21551 states and 28993 transitions. [2022-12-13 21:23:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-12-13 21:23:19,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:23:19,942 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:23:19,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 21:23:20,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:23:20,143 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:23:20,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:23:20,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1761517156, now seen corresponding path program 1 times [2022-12-13 21:23:20,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:23:20,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320268861] [2022-12-13 21:23:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:23:20,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:23:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:23:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:23:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:23:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:23:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:23:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:23:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:23:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:23:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:23:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:23:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:23:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 21:23:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 21:23:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:23:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 21:23:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 21:23:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:23:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:23:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:23:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 21:23:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-12-13 21:23:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:23:20,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320268861] [2022-12-13 21:23:20,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320268861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:23:20,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:23:20,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:23:20,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213797018] [2022-12-13 21:23:20,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:23:20,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:23:20,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:23:20,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:23:20,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:23:20,597 INFO L87 Difference]: Start difference. First operand 21551 states and 28993 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:23:23,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:27,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:31,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:33,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:35,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:37,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:39,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:23:39,303 INFO L93 Difference]: Finished difference Result 42522 states and 58183 transitions. [2022-12-13 21:23:39,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:23:39,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 223 [2022-12-13 21:23:39,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:23:39,355 INFO L225 Difference]: With dead ends: 42522 [2022-12-13 21:23:39,355 INFO L226 Difference]: Without dead ends: 21058 [2022-12-13 21:23:39,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:23:39,390 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 763 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 606 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 5483 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:23:39,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 5483 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 3525 Invalid, 6 Unknown, 0 Unchecked, 17.7s Time] [2022-12-13 21:23:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2022-12-13 21:23:40,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 19016. [2022-12-13 21:23:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19016 states, 13982 states have (on average 1.2872979545129453) internal successors, (17999), 14142 states have internal predecessors, (17999), 3732 states have call successors, (3732), 1226 states have call predecessors, (3732), 1301 states have return successors, (3878), 3752 states have call predecessors, (3878), 3731 states have call successors, (3878) [2022-12-13 21:23:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19016 states to 19016 states and 25609 transitions. [2022-12-13 21:23:40,178 INFO L78 Accepts]: Start accepts. Automaton has 19016 states and 25609 transitions. Word has length 223 [2022-12-13 21:23:40,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:23:40,179 INFO L495 AbstractCegarLoop]: Abstraction has 19016 states and 25609 transitions. [2022-12-13 21:23:40,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:23:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 19016 states and 25609 transitions. [2022-12-13 21:23:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-12-13 21:23:40,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:23:40,195 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:23:40,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 21:23:40,196 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:23:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:23:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash -272869870, now seen corresponding path program 2 times [2022-12-13 21:23:40,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:23:40,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093631096] [2022-12-13 21:23:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:23:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:23:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:23:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:23:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:23:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:23:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:23:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:23:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:23:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:23:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:23:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:23:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:23:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:23:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:23:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:23:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:23:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:23:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:23:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 21:23:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:23:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:23:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:23:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-12-13 21:23:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:23:40,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:23:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093631096] [2022-12-13 21:23:40,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093631096] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:23:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226759863] [2022-12-13 21:23:40,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:23:40,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:23:40,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:23:40,753 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:23:40,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 21:23:41,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 21:23:41,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:23:41,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 4615 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 21:23:41,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:23:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-13 21:23:41,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:23:41,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226759863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:23:41,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:23:41,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-12-13 21:23:41,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102498643] [2022-12-13 21:23:41,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:23:41,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 21:23:41,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:23:41,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 21:23:41,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-12-13 21:23:41,645 INFO L87 Difference]: Start difference. First operand 19016 states and 25609 transitions. Second operand has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 21:23:42,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:23:42,727 INFO L93 Difference]: Finished difference Result 38244 states and 51571 transitions. [2022-12-13 21:23:42,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 21:23:42,728 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-12-13 21:23:42,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:23:42,777 INFO L225 Difference]: With dead ends: 38244 [2022-12-13 21:23:42,777 INFO L226 Difference]: Without dead ends: 19344 [2022-12-13 21:23:42,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2022-12-13 21:23:42,812 INFO L413 NwaCegarLoop]: 1606 mSDtfsCounter, 53 mSDsluCounter, 19165 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 20771 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:23:42,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 20771 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:23:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-12-13 21:23:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 18989. [2022-12-13 21:23:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18989 states, 13973 states have (on average 1.2855507049309383) internal successors, (17963), 14115 states have internal predecessors, (17963), 3723 states have call successors, (3723), 1226 states have call predecessors, (3723), 1292 states have return successors, (3842), 3743 states have call predecessors, (3842), 3722 states have call successors, (3842) [2022-12-13 21:23:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18989 states to 18989 states and 25528 transitions. [2022-12-13 21:23:43,631 INFO L78 Accepts]: Start accepts. Automaton has 18989 states and 25528 transitions. Word has length 226 [2022-12-13 21:23:43,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:23:43,632 INFO L495 AbstractCegarLoop]: Abstraction has 18989 states and 25528 transitions. [2022-12-13 21:23:43,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.76923076923077) internal successors, (127), 11 states have internal predecessors, (127), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 21:23:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18989 states and 25528 transitions. [2022-12-13 21:23:43,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-12-13 21:23:43,645 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:23:43,645 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:23:43,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 21:23:43,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 21:23:43,847 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:23:43,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:23:43,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1934991908, now seen corresponding path program 1 times [2022-12-13 21:23:43,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:23:43,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945081291] [2022-12-13 21:23:43,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:23:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:23:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:23:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:23:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:23:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:23:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:23:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:23:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:23:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:23:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:23:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:23:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:23:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:23:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:23:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 21:23:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:23:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 21:23:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:23:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 21:23:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:23:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:23:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:23:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:23:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:23:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-12-13 21:23:44,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:23:44,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945081291] [2022-12-13 21:23:44,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945081291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:23:44,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:23:44,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:23:44,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143621680] [2022-12-13 21:23:44,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:23:44,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:23:44,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:23:44,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:23:44,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:23:44,276 INFO L87 Difference]: Start difference. First operand 18989 states and 25528 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 21:23:50,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:52,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:54,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:56,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:23:58,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:24:00,538 INFO L93 Difference]: Finished difference Result 44037 states and 61496 transitions. [2022-12-13 21:24:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:24:00,539 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2022-12-13 21:24:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:24:00,616 INFO L225 Difference]: With dead ends: 44037 [2022-12-13 21:24:00,616 INFO L226 Difference]: Without dead ends: 25164 [2022-12-13 21:24:00,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:24:00,658 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 1392 mSDsluCounter, 3565 mSDsCounter, 0 mSdLazyCounter, 2880 mSolverCounterSat, 1139 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 4024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 2880 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:24:00,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 5045 Invalid, 4024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1139 Valid, 2880 Invalid, 5 Unknown, 0 Unchecked, 15.2s Time] [2022-12-13 21:24:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25164 states. [2022-12-13 21:24:01,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25164 to 19013. [2022-12-13 21:24:01,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19013 states, 13985 states have (on average 1.285305684662138) internal successors, (17975), 14127 states have internal predecessors, (17975), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-12-13 21:24:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19013 states to 19013 states and 25564 transitions. [2022-12-13 21:24:01,631 INFO L78 Accepts]: Start accepts. Automaton has 19013 states and 25564 transitions. Word has length 226 [2022-12-13 21:24:01,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:24:01,631 INFO L495 AbstractCegarLoop]: Abstraction has 19013 states and 25564 transitions. [2022-12-13 21:24:01,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 21:24:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 19013 states and 25564 transitions. [2022-12-13 21:24:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-12-13 21:24:01,646 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:24:01,646 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:01,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 21:24:01,647 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:24:01,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:01,647 INFO L85 PathProgramCache]: Analyzing trace with hash -967082905, now seen corresponding path program 1 times [2022-12-13 21:24:01,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:01,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795598967] [2022-12-13 21:24:01,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:01,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:24:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:24:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:24:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:24:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:24:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:24:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:24:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:24:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:24:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:24:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:24:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:24:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:24:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:24:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 21:24:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:24:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:24:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 21:24:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 21:24:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 21:24:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:24:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:24:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:24:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:24:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:02,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:24:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-12-13 21:24:02,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:02,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795598967] [2022-12-13 21:24:02,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795598967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:02,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:02,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:24:02,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435121160] [2022-12-13 21:24:02,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:02,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:24:02,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:24:02,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:24:02,006 INFO L87 Difference]: Start difference. First operand 19013 states and 25564 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:24:07,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:09,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:11,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:13,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:15,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:17,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:19,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:21,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:23,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:24:23,906 INFO L93 Difference]: Finished difference Result 30771 states and 42407 transitions. [2022-12-13 21:24:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:24:23,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 230 [2022-12-13 21:24:23,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:24:23,954 INFO L225 Difference]: With dead ends: 30771 [2022-12-13 21:24:23,954 INFO L226 Difference]: Without dead ends: 21176 [2022-12-13 21:24:23,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:24:23,973 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 770 mSDsluCounter, 4295 mSDsCounter, 0 mSdLazyCounter, 3578 mSolverCounterSat, 601 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 5475 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 3578 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:24:23,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 5475 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 3578 Invalid, 8 Unknown, 0 Unchecked, 20.8s Time] [2022-12-13 21:24:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21176 states. [2022-12-13 21:24:24,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21176 to 19035. [2022-12-13 21:24:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19035 states, 14007 states have (on average 1.2848575712143928) internal successors, (17997), 14149 states have internal predecessors, (17997), 3735 states have call successors, (3735), 1226 states have call predecessors, (3735), 1292 states have return successors, (3854), 3755 states have call predecessors, (3854), 3734 states have call successors, (3854) [2022-12-13 21:24:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19035 states to 19035 states and 25586 transitions. [2022-12-13 21:24:24,821 INFO L78 Accepts]: Start accepts. Automaton has 19035 states and 25586 transitions. Word has length 230 [2022-12-13 21:24:24,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:24:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 19035 states and 25586 transitions. [2022-12-13 21:24:24,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:24:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 19035 states and 25586 transitions. [2022-12-13 21:24:24,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 21:24:24,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:24:24,840 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:24,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 21:24:24,840 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:24:24,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash -191080472, now seen corresponding path program 1 times [2022-12-13 21:24:24,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:24,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218265410] [2022-12-13 21:24:24,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:24:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:24:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:24:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:24:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:24:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:24:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:24:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:24:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:24:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:24:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:24:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:24:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:24:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:24:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 21:24:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:24:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:24:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-12-13 21:24:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 21:24:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 21:24:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:24:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 21:24:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:24:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:24:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:24:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:25,785 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-12-13 21:24:25,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:25,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218265410] [2022-12-13 21:24:25,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218265410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:25,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:25,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-13 21:24:25,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029634839] [2022-12-13 21:24:25,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:25,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 21:24:25,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:25,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 21:24:25,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:24:25,788 INFO L87 Difference]: Start difference. First operand 19035 states and 25586 transitions. Second operand has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-13 21:24:35,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:37,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:39,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:41,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:43,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:45,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:47,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:24:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:24:52,317 INFO L93 Difference]: Finished difference Result 40838 states and 55724 transitions. [2022-12-13 21:24:52,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 21:24:52,317 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 232 [2022-12-13 21:24:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:24:52,374 INFO L225 Difference]: With dead ends: 40838 [2022-12-13 21:24:52,374 INFO L226 Difference]: Without dead ends: 19996 [2022-12-13 21:24:52,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2022-12-13 21:24:52,412 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 3620 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 9431 mSolverCounterSat, 2059 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 7241 SdHoareTripleChecker+Invalid, 11497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2059 IncrementalHoareTripleChecker+Valid, 9431 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:24:52,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 7241 Invalid, 11497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2059 Valid, 9431 Invalid, 7 Unknown, 0 Unchecked, 25.1s Time] [2022-12-13 21:24:52,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19996 states. [2022-12-13 21:24:53,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19996 to 17416. [2022-12-13 21:24:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17416 states, 12791 states have (on average 1.280587913376593) internal successors, (16380), 12928 states have internal predecessors, (16380), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1206 states have return successors, (3512), 3445 states have call predecessors, (3512), 3417 states have call successors, (3512) [2022-12-13 21:24:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17416 states to 17416 states and 23310 transitions. [2022-12-13 21:24:53,385 INFO L78 Accepts]: Start accepts. Automaton has 17416 states and 23310 transitions. Word has length 232 [2022-12-13 21:24:53,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:24:53,385 INFO L495 AbstractCegarLoop]: Abstraction has 17416 states and 23310 transitions. [2022-12-13 21:24:53,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.214285714285714) internal successors, (129), 8 states have internal predecessors, (129), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-13 21:24:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17416 states and 23310 transitions. [2022-12-13 21:24:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 21:24:53,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:24:53,406 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:53,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 21:24:53,406 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:24:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:53,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1856923674, now seen corresponding path program 1 times [2022-12-13 21:24:53,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:53,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444457288] [2022-12-13 21:24:53,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:53,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:24:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:24:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:24:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:24:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:24:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:24:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:24:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:24:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:24:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:24:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:24:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:24:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:24:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:24:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:24:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:24:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:24:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:24:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:24:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:24:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:24:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-12-13 21:24:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 21:24:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 21:24:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 21:24:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 21:24:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-13 21:24:54,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:54,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444457288] [2022-12-13 21:24:54,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444457288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:54,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:54,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:24:54,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809462548] [2022-12-13 21:24:54,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:54,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:24:54,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:54,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:24:54,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:24:54,531 INFO L87 Difference]: Start difference. First operand 17416 states and 23310 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:25:01,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:03,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:05,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:07,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:10,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:25:10,029 INFO L93 Difference]: Finished difference Result 42049 states and 58686 transitions. [2022-12-13 21:25:10,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:25:10,030 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2022-12-13 21:25:10,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:25:10,097 INFO L225 Difference]: With dead ends: 42049 [2022-12-13 21:25:10,097 INFO L226 Difference]: Without dead ends: 24749 [2022-12-13 21:25:10,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:25:10,130 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 1305 mSDsluCounter, 8749 mSDsCounter, 0 mSdLazyCounter, 3816 mSolverCounterSat, 802 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 10770 SdHoareTripleChecker+Invalid, 4622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 3816 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:25:10,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 10770 Invalid, 4622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 3816 Invalid, 4 Unknown, 0 Unchecked, 14.2s Time] [2022-12-13 21:25:10,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24749 states. [2022-12-13 21:25:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24749 to 17560. [2022-12-13 21:25:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17560 states, 12908 states have (on average 1.278044623489309) internal successors, (16497), 13054 states have internal predecessors, (16497), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:25:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17560 states to 17560 states and 23463 transitions. [2022-12-13 21:25:11,347 INFO L78 Accepts]: Start accepts. Automaton has 17560 states and 23463 transitions. Word has length 243 [2022-12-13 21:25:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:25:11,347 INFO L495 AbstractCegarLoop]: Abstraction has 17560 states and 23463 transitions. [2022-12-13 21:25:11,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:25:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 17560 states and 23463 transitions. [2022-12-13 21:25:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 21:25:11,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:25:11,362 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:25:11,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 21:25:11,362 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:25:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:25:11,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1551633831, now seen corresponding path program 1 times [2022-12-13 21:25:11,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:25:11,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127373863] [2022-12-13 21:25:11,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:25:11,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:25:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:25:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:25:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:25:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:25:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:25:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:25:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:25:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:25:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:25:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:25:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:25:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:25:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:25:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:25:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:25:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:25:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:25:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:25:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:25:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 21:25:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:25:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 21:25:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:25:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:25:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-12-13 21:25:11,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:25:11,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127373863] [2022-12-13 21:25:11,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127373863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:25:11,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:25:11,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:25:11,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642460444] [2022-12-13 21:25:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:25:11,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:25:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:25:11,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:25:11,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:25:11,848 INFO L87 Difference]: Start difference. First operand 17560 states and 23463 transitions. Second operand has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:25:18,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:20,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:22,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:24,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:26,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:28,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:29,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:25:29,727 INFO L93 Difference]: Finished difference Result 37006 states and 50359 transitions. [2022-12-13 21:25:29,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:25:29,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 244 [2022-12-13 21:25:29,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:25:29,781 INFO L225 Difference]: With dead ends: 37006 [2022-12-13 21:25:29,782 INFO L226 Difference]: Without dead ends: 19562 [2022-12-13 21:25:29,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:25:29,815 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 348 mSDsluCounter, 4239 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 276 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 5538 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:25:29,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 5538 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 2854 Invalid, 6 Unknown, 0 Unchecked, 16.7s Time] [2022-12-13 21:25:29,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19562 states. [2022-12-13 21:25:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19562 to 17569. [2022-12-13 21:25:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17569 states, 12917 states have (on average 1.277850894170473) internal successors, (16506), 13063 states have internal predecessors, (16506), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:25:30,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17569 states to 17569 states and 23472 transitions. [2022-12-13 21:25:30,742 INFO L78 Accepts]: Start accepts. Automaton has 17569 states and 23472 transitions. Word has length 244 [2022-12-13 21:25:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:25:30,742 INFO L495 AbstractCegarLoop]: Abstraction has 17569 states and 23472 transitions. [2022-12-13 21:25:30,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:25:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 17569 states and 23472 transitions. [2022-12-13 21:25:30,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 21:25:30,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:25:30,756 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:25:30,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 21:25:30,756 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:25:30,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:25:30,757 INFO L85 PathProgramCache]: Analyzing trace with hash 664410985, now seen corresponding path program 1 times [2022-12-13 21:25:30,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:25:30,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168563884] [2022-12-13 21:25:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:25:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:25:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:25:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:25:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:25:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:25:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:25:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:25:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:25:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:25:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:25:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:25:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:25:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:25:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:25:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:25:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:25:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:25:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:25:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:25:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:25:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 21:25:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:25:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 21:25:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:25:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:25:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:31,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:25:31,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168563884] [2022-12-13 21:25:31,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168563884] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:25:31,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880794686] [2022-12-13 21:25:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:25:31,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:25:31,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:25:31,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:25:31,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 21:25:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:32,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 5795 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 21:25:32,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:25:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:32,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:25:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:32,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880794686] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:25:32,407 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:25:32,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2022-12-13 21:25:32,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76869524] [2022-12-13 21:25:32,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:25:32,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 21:25:32,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:25:32,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 21:25:32,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:25:32,409 INFO L87 Difference]: Start difference. First operand 17569 states and 23472 transitions. Second operand has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 21:25:39,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:41,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:43,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:45,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:47,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:49,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:25:51,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:25:51,326 INFO L93 Difference]: Finished difference Result 19465 states and 26874 transitions. [2022-12-13 21:25:51,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:25:51,326 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 244 [2022-12-13 21:25:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:25:51,367 INFO L225 Difference]: With dead ends: 19465 [2022-12-13 21:25:51,367 INFO L226 Difference]: Without dead ends: 19457 [2022-12-13 21:25:51,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 532 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:25:51,374 INFO L413 NwaCegarLoop]: 1303 mSDtfsCounter, 347 mSDsluCounter, 5391 mSDsCounter, 0 mSdLazyCounter, 3482 mSolverCounterSat, 273 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 3761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 3482 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:25:51,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 6694 Invalid, 3761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 3482 Invalid, 6 Unknown, 0 Unchecked, 17.8s Time] [2022-12-13 21:25:51,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19457 states. [2022-12-13 21:25:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19457 to 17581. [2022-12-13 21:25:52,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17581 states, 12929 states have (on average 1.2775930079665867) internal successors, (16518), 13075 states have internal predecessors, (16518), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:25:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17581 states to 17581 states and 23484 transitions. [2022-12-13 21:25:52,245 INFO L78 Accepts]: Start accepts. Automaton has 17581 states and 23484 transitions. Word has length 244 [2022-12-13 21:25:52,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:25:52,245 INFO L495 AbstractCegarLoop]: Abstraction has 17581 states and 23484 transitions. [2022-12-13 21:25:52,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 9 states have internal predecessors, (148), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 21:25:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17581 states and 23484 transitions. [2022-12-13 21:25:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 21:25:52,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:25:52,264 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 6, 6, 4, 4, 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] [2022-12-13 21:25:52,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 21:25:52,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 21:25:52,465 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:25:52,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:25:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1277957655, now seen corresponding path program 2 times [2022-12-13 21:25:52,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:25:52,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333025253] [2022-12-13 21:25:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:25:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:25:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:25:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:25:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:25:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:25:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:25:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:25:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:25:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:25:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:25:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:25:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:25:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:25:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:25:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:25:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:25:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:25:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:25:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:25:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:25:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:25:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 21:25:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:25:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 21:25:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:25:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:25:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:25:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:53,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:25:53,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333025253] [2022-12-13 21:25:53,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333025253] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:25:53,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394401481] [2022-12-13 21:25:53,280 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:25:53,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:25:53,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:25:53,281 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:25:53,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 21:25:58,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 21:25:58,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:25:58,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 5855 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 21:25:58,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:25:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:58,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:25:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-12-13 21:25:58,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394401481] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:25:58,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:25:58,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 20 [2022-12-13 21:25:58,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708986517] [2022-12-13 21:25:58,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:25:58,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 21:25:58,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:25:58,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 21:25:58,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-12-13 21:25:58,932 INFO L87 Difference]: Start difference. First operand 17581 states and 23484 transitions. Second operand has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 21:26:06,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:08,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:26:10,254 INFO L93 Difference]: Finished difference Result 19474 states and 26882 transitions. [2022-12-13 21:26:10,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 21:26:10,254 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 256 [2022-12-13 21:26:10,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:26:10,303 INFO L225 Difference]: With dead ends: 19474 [2022-12-13 21:26:10,303 INFO L226 Difference]: Without dead ends: 19466 [2022-12-13 21:26:10,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 552 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2022-12-13 21:26:10,313 INFO L413 NwaCegarLoop]: 1307 mSDtfsCounter, 533 mSDsluCounter, 9407 mSDsCounter, 0 mSdLazyCounter, 5162 mSolverCounterSat, 528 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 10714 SdHoareTripleChecker+Invalid, 5692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 5162 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:26:10,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 10714 Invalid, 5692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 5162 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-12-13 21:26:10,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19466 states. [2022-12-13 21:26:11,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19466 to 17590. [2022-12-13 21:26:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17590 states, 12938 states have (on average 1.2773999072499613) internal successors, (16527), 13084 states have internal predecessors, (16527), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:26:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17590 states to 17590 states and 23493 transitions. [2022-12-13 21:26:11,250 INFO L78 Accepts]: Start accepts. Automaton has 17590 states and 23493 transitions. Word has length 256 [2022-12-13 21:26:11,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:26:11,251 INFO L495 AbstractCegarLoop]: Abstraction has 17590 states and 23493 transitions. [2022-12-13 21:26:11,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 17 states have internal predecessors, (172), 2 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 21:26:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17590 states and 23493 transitions. [2022-12-13 21:26:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 21:26:11,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:26:11,270 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 9, 9, 9, 6, 4, 4, 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] [2022-12-13 21:26:11,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 21:26:11,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 21:26:11,472 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:26:11,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:26:11,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1515796583, now seen corresponding path program 3 times [2022-12-13 21:26:11,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:26:11,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638259891] [2022-12-13 21:26:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:26:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:26:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:26:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:26:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:26:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:26:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:26:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:26:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:26:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:26:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:26:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:26:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 21:26:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:26:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 21:26:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:26:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 21:26:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:26:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:26:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:26:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:26:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:26:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:26:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 21:26:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 21:26:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 21:26:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 21:26:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:26:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 21:26:12,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:26:12,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638259891] [2022-12-13 21:26:12,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638259891] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:26:12,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585620747] [2022-12-13 21:26:12,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 21:26:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:26:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:26:12,743 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:26:12,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 21:26:27,701 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-12-13 21:26:27,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:26:27,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 5627 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 21:26:27,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:26:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 145 proven. 3 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-12-13 21:26:27,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:26:28,012 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 21:26:28,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585620747] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:26:28,012 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:26:28,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2022-12-13 21:26:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104069352] [2022-12-13 21:26:28,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:26:28,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 21:26:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:26:28,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 21:26:28,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:26:28,013 INFO L87 Difference]: Start difference. First operand 17590 states and 23493 transitions. Second operand has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 21:26:35,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:37,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:39,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:41,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:26:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:26:42,591 INFO L93 Difference]: Finished difference Result 37070 states and 50803 transitions. [2022-12-13 21:26:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 21:26:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 265 [2022-12-13 21:26:42,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:26:42,638 INFO L225 Difference]: With dead ends: 37070 [2022-12-13 21:26:42,638 INFO L226 Difference]: Without dead ends: 19488 [2022-12-13 21:26:42,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2022-12-13 21:26:42,670 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 747 mSDsluCounter, 4844 mSDsCounter, 0 mSdLazyCounter, 2878 mSolverCounterSat, 836 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 6148 SdHoareTripleChecker+Invalid, 3718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 836 IncrementalHoareTripleChecker+Valid, 2878 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:26:42,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 6148 Invalid, 3718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [836 Valid, 2878 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-12-13 21:26:42,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19488 states. [2022-12-13 21:26:43,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19488 to 17612. [2022-12-13 21:26:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17612 states, 12960 states have (on average 1.2753858024691358) internal successors, (16529), 13106 states have internal predecessors, (16529), 3418 states have call successors, (3418), 1132 states have call predecessors, (3418), 1233 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:26:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17612 states to 17612 states and 23495 transitions. [2022-12-13 21:26:43,583 INFO L78 Accepts]: Start accepts. Automaton has 17612 states and 23495 transitions. Word has length 265 [2022-12-13 21:26:43,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:26:43,584 INFO L495 AbstractCegarLoop]: Abstraction has 17612 states and 23495 transitions. [2022-12-13 21:26:43,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 21:26:43,584 INFO L276 IsEmpty]: Start isEmpty. Operand 17612 states and 23495 transitions. [2022-12-13 21:26:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-13 21:26:43,604 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:26:43,604 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 9, 9, 9, 4, 4, 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] [2022-12-13 21:26:43,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 21:26:43,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 21:26:43,806 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:26:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:26:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash -87565273, now seen corresponding path program 4 times [2022-12-13 21:26:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:26:43,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740961692] [2022-12-13 21:26:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:26:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:26:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:26:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:26:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:26:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 21:26:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 21:26:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:26:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 21:26:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:26:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 21:26:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:26:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 21:26:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 21:26:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 21:26:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 21:26:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 21:26:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 21:26:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:26:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:26:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:26:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:26:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:26:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 21:26:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 21:26:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 21:26:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-12-13 21:26:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 21:26:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:26:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 21:26:45,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:26:45,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740961692] [2022-12-13 21:26:45,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740961692] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:26:45,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154426294] [2022-12-13 21:26:45,148 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 21:26:45,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:26:45,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:26:45,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:26:45,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 21:26:46,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 21:26:46,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:26:46,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 5960 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-13 21:26:46,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:26:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-12-13 21:26:46,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:26:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 21:26:47,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154426294] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:26:47,506 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:26:47,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2022-12-13 21:26:47,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607682996] [2022-12-13 21:26:47,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:26:47,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 21:26:47,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:26:47,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 21:26:47,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2022-12-13 21:26:47,509 INFO L87 Difference]: Start difference. First operand 17612 states and 23495 transitions. Second operand has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 21:27:02,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:27:04,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:27:06,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:27:08,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:27:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:27:11,643 INFO L93 Difference]: Finished difference Result 37603 states and 51810 transitions. [2022-12-13 21:27:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-13 21:27:11,644 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 269 [2022-12-13 21:27:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:27:11,690 INFO L225 Difference]: With dead ends: 37603 [2022-12-13 21:27:11,690 INFO L226 Difference]: Without dead ends: 19879 [2022-12-13 21:27:11,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=852, Invalid=2808, Unknown=0, NotChecked=0, Total=3660 [2022-12-13 21:27:11,720 INFO L413 NwaCegarLoop]: 1296 mSDtfsCounter, 782 mSDsluCounter, 11563 mSDsCounter, 0 mSdLazyCounter, 6356 mSolverCounterSat, 869 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 12859 SdHoareTripleChecker+Invalid, 7229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 6356 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:27:11,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 12859 Invalid, 7229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [869 Valid, 6356 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2022-12-13 21:27:11,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19879 states. [2022-12-13 21:27:12,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19879 to 17929. [2022-12-13 21:27:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17929 states, 13259 states have (on average 1.2733992005430275) internal successors, (16884), 13405 states have internal predecessors, (16884), 3418 states have call successors, (3418), 1150 states have call predecessors, (3418), 1251 states have return successors, (3548), 3463 states have call predecessors, (3548), 3417 states have call successors, (3548) [2022-12-13 21:27:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17929 states to 17929 states and 23850 transitions. [2022-12-13 21:27:12,756 INFO L78 Accepts]: Start accepts. Automaton has 17929 states and 23850 transitions. Word has length 269 [2022-12-13 21:27:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:27:12,756 INFO L495 AbstractCegarLoop]: Abstraction has 17929 states and 23850 transitions. [2022-12-13 21:27:12,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 25 states have internal predecessors, (210), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-12-13 21:27:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17929 states and 23850 transitions. [2022-12-13 21:27:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 21:27:12,777 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:27:12,777 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 9, 9, 9, 4, 4, 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] [2022-12-13 21:27:12,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 21:27:12,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 21:27:12,979 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:27:12,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:27:12,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1477232121, now seen corresponding path program 5 times [2022-12-13 21:27:12,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:27:12,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746480184] [2022-12-13 21:27:12,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:27:12,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:27:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:27:18,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:27:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:27:21,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:27:21,110 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:27:21,111 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:27:21,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 21:27:21,115 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:27:21,117 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:27:21,153 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 21:27:21,155 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 21:27:21,166 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,167 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,167 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,167 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,168 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 21:27:21,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:27:21 BoogieIcfgContainer [2022-12-13 21:27:21,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:27:21,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:27:21,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:27:21,351 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:27:21,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:19:22" (3/4) ... [2022-12-13 21:27:21,354 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:27:21,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:27:21,354 INFO L158 Benchmark]: Toolchain (without parser) took 490041.15ms. Allocated memory was 138.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 90.8MB in the beginning and 541.0MB in the end (delta: -450.2MB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-12-13 21:27:21,354 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:27:21,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1977.14ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-12-13 21:27:21,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.14ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 73.1MB in the beginning and 108.8MB in the end (delta: -35.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-12-13 21:27:21,355 INFO L158 Benchmark]: Boogie Preprocessor took 200.33ms. Allocated memory is still 201.3MB. Free memory was 108.8MB in the beginning and 74.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 21:27:21,355 INFO L158 Benchmark]: RCFGBuilder took 8914.76ms. Allocated memory was 201.3MB in the beginning and 255.9MB in the end (delta: 54.5MB). Free memory was 74.1MB in the beginning and 123.0MB in the end (delta: -48.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2022-12-13 21:27:21,355 INFO L158 Benchmark]: TraceAbstraction took 478764.30ms. Allocated memory was 255.9MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 121.9MB in the beginning and 541.6MB in the end (delta: -419.7MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2022-12-13 21:27:21,355 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 3.6GB. Free memory was 541.6MB in the beginning and 541.0MB in the end (delta: 612.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:27:21,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1977.14ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.14ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 73.1MB in the beginning and 108.8MB in the end (delta: -35.6MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.33ms. Allocated memory is still 201.3MB. Free memory was 108.8MB in the beginning and 74.1MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8914.76ms. Allocated memory was 201.3MB in the beginning and 255.9MB in the end (delta: 54.5MB). Free memory was 74.1MB in the beginning and 123.0MB in the end (delta: -48.8MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * TraceAbstraction took 478764.30ms. Allocated memory was 255.9MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 121.9MB in the beginning and 541.6MB in the end (delta: -419.7MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 3.6GB. Free memory was 541.6MB in the beginning and 541.0MB in the end (delta: 612.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7206]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10552. Possible FailurePath: [L7229] int ldv_state_variable_3 ; [L7230] int LDV_IN_INTERRUPT = 1; [L7231] int ldv_state_variable_2 ; [L7232] int ref_cnt ; [L7233] struct usb_interface *at76_driver_group1 ; [L7234] int ldv_state_variable_1 ; [L7235] int usb_counter ; [L7236] struct ieee80211_vif *at76_ops_group1 ; [L7237] int ldv_state_variable_0 ; [L7238] struct ieee80211_hw *at76_ops_group0 ; [L7547] static uint at76_debug = 0U; [L7548] static struct mutex fw_mutex ; [L7549-L7575] static struct fwentry firmwares[9U] = { {"", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3861.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3863.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd-acc.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505a-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505amx-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}}; [L7576-L7738] static struct usb_device_id dev_table[55U] = { {3U, 1003U, 30211U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1643U, 8721U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2148U, 16640U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2875U, 5650U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1008U, 284U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3294U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3420U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1189U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1501U, 65329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 32902U, 512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28944U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1211U, 2329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 2081U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1003U, 30212U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1373U, 40960U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1003U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1690U, 801U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8743U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2148U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8193U, 12800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 5736U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1003U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 22339U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1189U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1286U, 2561U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1665U, 27U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1293U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1976U, 45056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4164U, 32771U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8217U, 12832U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1183U, 50U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 17U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 24U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1501U, 65333U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2106U, 13569U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 3420U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 1003U, 30214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 5UL}, {3U, 1003U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 20U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 19U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 6421U, 8755U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4861U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1962U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 3504U, 4128U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1003U, 30228U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30231U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5776U, 1793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5463U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30229U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 8UL}}; [L7739] struct usb_device_id const __mod_usb__dev_table_device_table ; [L7740] static u8 const hw_rates[4U] = { 130U, 132U, 11U, 22U}; [L7741] static char const * const preambles[3U] = { "long", "short", "auto"}; [L8010] static int tx_activity ; [L8012-L8018] static struct timer_list ledtrig_tx_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & at76_ledtrig_tx_timerfunc, 0UL, -1, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {(struct lock_class_key *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", {0, 0}, "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", 0, 0UL}}; [L8019] static struct led_trigger *ledtrig_tx ; [L10113-L10118] static struct ieee80211_ops const at76_ops = {& at76_mac80211_tx, & at76_mac80211_start, & at76_mac80211_stop, 0, 0, 0, & at76_add_interface, 0, & at76_remove_interface, & at76_config, & at76_bss_info_changed, 0, 0, 0, & at76_configure_filter, 0, & at76_set_key, 0, 0, 0, & at76_hw_scan, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10266-L10269] static struct ieee80211_rate at76_rates[4U] = { {0U, 10U, 0U, (unsigned short)0}, {0U, 20U, 1U, (unsigned short)0}, {0U, 55U, 2U, (unsigned short)0}, {0U, 110U, 3U, (unsigned short)0}}; [L10270-L10284] static struct ieee80211_channel at76_channels[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}}; [L10285-L10301] static struct ieee80211_supported_band at76_supported_band = {(struct ieee80211_channel *)(& at76_channels), (struct ieee80211_rate *)(& at76_rates), 0, 14, 4, {(unsigned short)0, (_Bool)0, (unsigned char)0, (unsigned char)0, {{(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, (unsigned short)0, (unsigned char)0, {(unsigned char)0, (unsigned char)0, (unsigned char)0}}}, {(_Bool)0, 0U, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}}}; [L10539-L10544] static struct usb_driver at76_driver = {"at76c50x-usb", & at76_probe, & at76_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& dev_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L10581] int ldv_retval_0 ; [L10582] int ldv_retval_1 ; [L10585] int ldv_retval_2 ; [L10970] Element set_impl[15] ; [L10971] int last_index = 0; [L11105] Set LDV_SKBS ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10609] struct usb_device_id *ldvarg0 ; [L10610] void *tmp ; [L10611] unsigned long ldvarg1 ; [L10612] unsigned long tmp___0 ; [L10613] unsigned int *ldvarg11 ; [L10614] void *tmp___1 ; [L10615] struct ieee80211_sta *ldvarg7 ; [L10616] void *tmp___2 ; [L10617] struct ieee80211_tx_control *ldvarg3 ; [L10618] void *tmp___3 ; [L10619] unsigned int ldvarg12 ; [L10620] unsigned int tmp___4 ; [L10621] u32 ldvarg5 ; [L10622] u32 tmp___5 ; [L10623] struct ieee80211_bss_conf *ldvarg6 ; [L10624] void *tmp___6 ; [L10625] enum set_key_cmd ldvarg8 ; [L10626] struct cfg80211_scan_request *ldvarg4 ; [L10627] void *tmp___7 ; [L10628] u32 ldvarg13 ; [L10629] u32 tmp___8 ; [L10630] u64 ldvarg10 ; [L10631] struct ieee80211_key_conf *ldvarg9 ; [L10632] void *tmp___9 ; [L10633] struct sk_buff *ldvarg2 ; [L10634] void *tmp___10 ; [L10635] int tmp___11 ; [L10636] int tmp___12 ; [L10637] int tmp___13 ; [L10638] int tmp___14 ; [L10639] int tmp___15 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=32, tmp___0=1, tx_activity=0, usb_counter=0] [L10641] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(32UL)={0:0}, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10641] tmp = ldv_zalloc(32UL) [L10642] ldvarg0 = (struct usb_device_id *)tmp [L10643] tmp___0 = __VERIFIER_nondet_ulong() [L10644] ldvarg1 = tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=4, tmp___0=1, tx_activity=0, usb_counter=0] [L10645] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(4UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tx_activity=0, usb_counter=0] [L10645] tmp___1 = ldv_zalloc(4UL) [L10646] ldvarg11 = (unsigned int *)tmp___1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10647] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tx_activity=0, usb_counter=0] [L10647] tmp___2 = ldv_zalloc(88UL) [L10648] ldvarg7 = (struct ieee80211_sta *)tmp___2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] CALL, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=8, tmp___0=1, tx_activity=0, usb_counter=0] [L10649] RET, EXPR ldv_zalloc(8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tx_activity=0, usb_counter=0] [L10649] tmp___3 = ldv_zalloc(8UL) [L10650] ldvarg3 = (struct ieee80211_tx_control *)tmp___3 [L10651] tmp___4 = __VERIFIER_nondet_uint() [L10652] ldvarg12 = tmp___4 [L10653] tmp___5 = __VERIFIER_nondet_u32() [L10654] ldvarg5 = tmp___5 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10655] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tx_activity=0, usb_counter=0] [L10655] tmp___6 = ldv_zalloc(232UL) [L10656] ldvarg6 = (struct ieee80211_bss_conf *)tmp___6 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] CALL, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=88, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=88, tmp___0=1, tx_activity=0, usb_counter=0] [L10657] RET, EXPR ldv_zalloc(88UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(88UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg3={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tx_activity=0, usb_counter=0] [L10657] tmp___7 = ldv_zalloc(88UL) [L10658] ldvarg4 = (struct cfg80211_scan_request *)tmp___7 [L10659] tmp___8 = __VERIFIER_nondet_u32() [L10660] ldvarg13 = tmp___8 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] CALL, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=12, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=12, tmp___0=1, tx_activity=0, usb_counter=0] [L10661] RET, EXPR ldv_zalloc(12UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(12UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tx_activity=0, usb_counter=0] [L10661] tmp___9 = ldv_zalloc(12UL) [L10662] ldvarg9 = (struct ieee80211_key_conf *)tmp___9 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=232, tmp___0=1, tx_activity=0, usb_counter=0] [L10663] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10663] tmp___10 = ldv_zalloc(232UL) [L10664] ldvarg2 = (struct sk_buff *)tmp___10 [L10665] CALL ldv_initialize() [L11124] CALL ldv_set_init(LDV_SKBS) [L10976] set = set_impl [L10977] last_index = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={284:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11124] RET ldv_set_init(LDV_SKBS) [L10665] RET ldv_initialize() [L10666] FCALL memset((void *)(& ldvarg8), 0, 4UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg8), 0, 4UL)={594:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10667] FCALL memset((void *)(& ldvarg10), 0, 8UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, memset((void *)(& ldvarg10), 0, 8UL)={596:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10668] ldv_state_variable_1 = 0 [L10669] ref_cnt = 0 [L10670] ldv_state_variable_0 = 1 [L10671] ldv_state_variable_3 = 0 [L10672] ldv_state_variable_2 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: [L10718] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10719] COND TRUE ldv_state_variable_0 == 1 [L10720] CALL, EXPR at76_mod_init() [L10547] int result ; [L10548] struct lock_class_key __key ; [L10551] FCALL __mutex_init(& fw_mutex, "&fw_mutex", & __key) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10552] CALL, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10950] ldv_func_ret_type ldv_func_res ; [L10951] int tmp ; [L10953] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L11353] return __VERIFIER_nondet_int(); [L10953] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10953] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L10954] ldv_func_res = tmp [L10955] ldv_state_variable_1 = 1 [L10956] usb_counter = 0 [L10957] CALL ldv_usb_driver_1() [L10588] void *tmp ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=1560, tmp___0=1, tx_activity=0, usb_counter=0] [L10590] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1560UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10590] tmp = ldv_zalloc(1560UL) [L10591] at76_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10957] RET ldv_usb_driver_1() [L10958] return (ldv_func_res); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, ldv_func_arg1={283:0}, ldv_func_arg1={283:0}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg2={4294967316:4294967305}, ldv_func_arg3={268:0}, ldv_func_arg3={268:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp=0, tx_activity=0, usb_counter=0] [L10552] RET, EXPR ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10552] result = ldv_usb_register_driver_14(& at76_driver, & __this_module, "at76c50x_usb") [L10553] COND FALSE !(result < 0) VAL [__key={598:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10557] FCALL led_trigger_register_simple("at76_usb-tx", & ledtrig_tx) [L10558] return (result); [L10558] return (result); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, result=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10720] RET, EXPR at76_mod_init() [L10720] ldv_retval_1 = at76_mod_init() [L10721] COND TRUE ldv_retval_1 == 0 [L10722] ldv_state_variable_0 = 3 [L10723] ldv_state_variable_2 = 1 [L10724] CALL ldv_initialize_ieee80211_ops_2() [L10597] void *tmp ; [L10598] void *tmp___0 ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] CALL, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=144, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=144, tmp___0=1, tx_activity=0, usb_counter=0] [L10600] RET, EXPR ldv_zalloc(144UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(144UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10600] tmp = ldv_zalloc(144UL) [L10601] at76_ops_group0 = (struct ieee80211_hw *)tmp VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND TRUE tmp___0 != 0 [L7177] return ((void *)0); VAL [\old(size)=280, \result={0:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=280, tmp___0=1, tx_activity=0, usb_counter=0] [L10602] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(280UL)={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tx_activity=0, usb_counter=0] [L10602] tmp___0 = ldv_zalloc(280UL) [L10603] at76_ops_group1 = (struct ieee80211_vif *)tmp___0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0={0:0}, tx_activity=0, usb_counter=0] [L10724] RET ldv_initialize_ieee80211_ops_2() [L10725] ldv_state_variable_3 = 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10728] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10766] COND TRUE ldv_state_variable_2 == 1 [L10767] CALL, EXPR at76_mac80211_start(at76_ops_group0) [L9718] struct at76_priv *priv ; [L9719] int ret ; [L9721] EXPR hw->priv [L9721] priv = (struct at76_priv *)hw->priv [L9722] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9726] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] CALL, EXPR at76_submit_rx_urb(priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8887] int ret ; [L8888] int size ; [L8889] struct sk_buff *skb ; [L8890] unsigned int tmp ; [L8891] unsigned char *tmp___0 ; [L8893] EXPR priv->rx_skb [L8893] skb = priv->rx_skb [L8894] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, skb={0:0}, tx_activity=0, usb_counter=0] [L8894] COND FALSE !((unsigned long )priv->rx_urb == (unsigned long )((struct urb *)0)) [L8900] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L8901] CALL, EXPR ldv_dev_alloc_skb_12(2364U) [L10934] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11108] void *skb ; [L11109] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7171] void *p ; [L7172] void *tmp ; [L7173] int tmp___0 ; [L7175] tmp___0 = __VERIFIER_nondet_int() [L7176] COND FALSE !(tmp___0 != 0) [L7179] EXPR, FCALL calloc(1UL, size) [L7179] tmp = calloc(1UL, size) [L7180] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7181] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7150] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cond=1, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7181] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7182] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, calloc(1UL, size)={303:0}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, p={303:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, size=248, tmp={303:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L11111] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={303:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11111] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L11112] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L11113] COND FALSE !(! skb) [L11116] CALL ldv_set_add(LDV_SKBS, skb) [L10984] int i ; [L10986] i = 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10987] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10988] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10998] COND TRUE last_index < 15 [L10999] set_impl[last_index] = e [L11000] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, e={303:0}, e={303:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11116] RET ldv_set_add(LDV_SKBS, skb) [L11117] return (skb); VAL [\old(last_index)=0, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tmp___7={303:0}, tx_activity=0, usb_counter=0] [L10936] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2364, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={303:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10936] tmp = ldv_skb_alloc() [L10937] return (tmp); VAL [\old(last_index)=0, \old(length)=2364, \result={303:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, length=2364, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={303:0}, tx_activity=0, usb_counter=0] [L8901] RET, EXPR ldv_dev_alloc_skb_12(2364U) [L8901] skb = ldv_dev_alloc_skb_12(2364U) [L8902] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L8908] priv->rx_skb = skb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, set_impl={284:0}, skb={303:0}, tx_activity=0, usb_counter=0] [L8914] CALL, EXPR skb_tailroom((struct sk_buff const *)skb) [L7132] bool tmp ; [L7134] CALL, EXPR skb_is_nonlinear(skb) [L7118] EXPR skb->data_len [L7118] return ((unsigned int )skb->data_len != 0U); [L7134] RET, EXPR skb_is_nonlinear(skb) [L7134] tmp = skb_is_nonlinear(skb) [L7135] EXPR (int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail) VAL [(int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)=0, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, skb={303:0}, skb={303:0}, tmp=1, tx_activity=0, usb_counter=0] [L7135] return ((int )tmp ? 0 : (int )((unsigned int )skb->end - (unsigned int )skb->tail)); [L8914] RET, EXPR skb_tailroom((struct sk_buff const *)skb) [L8914] size = skb_tailroom((struct sk_buff const *)skb) [L8915] CALL, EXPR skb_put(skb, (unsigned int )size) [L11316] EXPR arg0->data [L11316] EXPR arg0->tail [L11316] unsigned char *ret_val = arg0->data + arg0->tail; [L11317] EXPR arg0->tail [L11317] arg0->tail += arg1 [L11318] return ret_val; VAL [\old(arg1)=0, \old(last_index)=0, \result={4294967306:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={303:0}, arg0={303:0}, arg1=0, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, ret_val={4294967306:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L8915] RET, EXPR skb_put(skb, (unsigned int )size) [L8915] tmp___0 = skb_put(skb, (unsigned int )size) [L8916] EXPR priv->rx_urb [L8916] EXPR priv->udev [L8916] EXPR priv->rx_pipe VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8916-L8917] CALL usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, complete_fn={-1:1}, context={303:100}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, usb_counter=0] [L7351] urb->dev = dev [L7352] urb->pipe = pipe [L7353] urb->transfer_buffer = transfer_buffer [L7354] urb->transfer_buffer_length = (u32 )buffer_length [L7355] urb->complete = complete_fn [L7356] urb->context = context VAL [\old(buffer_length)=0, \old(last_index)=0, \old(pipe)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, buffer_length=0, complete_fn={-1:1}, complete_fn={-1:1}, context={303:100}, context={303:100}, dev={4294967308:4294967313}, dev={4294967308:4294967313}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, pipe=0, preambles={276:0}, ref_cnt=0, set_impl={284:0}, transfer_buffer={4294967306:0}, transfer_buffer={4294967306:0}, tx_activity=0, urb={0:-66}, urb={0:-66}, usb_counter=0] [L8916-L8917] RET usb_fill_bulk_urb(priv->rx_urb, priv->udev, priv->rx_pipe, (void *)tmp___0, size, & at76_rx_callback, (void *)priv) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_pipe=0, priv->rx_urb={0:-66}, priv->udev={4294967308:4294967313}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] EXPR priv->rx_urb VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8918] CALL, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={0:-66}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11361] return __VERIFIER_nondet_int(); [L8918] RET, EXPR usb_submit_urb(priv->rx_urb, 32U) VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, priv->rx_urb={0:-66}, ref_cnt=0, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0, usb_submit_urb(priv->rx_urb, 32U)=-1] [L8918] ret = usb_submit_urb(priv->rx_urb, 32U) [L8919] COND TRUE ret < 0 VAL [\old(last_index)=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L8920] COND FALSE !(ret == -19) [L8926] EXPR priv->hw [L8926] (priv->hw)->wiphy [L8932] COND TRUE ret < 0 && ret != -19 [L8933] EXPR priv->hw [L8933] (priv->hw)->wiphy [L8936] return (ret); VAL [\old(last_index)=0, \result=-1, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, size=0, skb={303:0}, tmp___0={4294967306:0}, tx_activity=0, usb_counter=0] [L9727] RET, EXPR at76_submit_rx_urb(priv) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_submit_rx_urb(priv)=-1, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9727] ret = at76_submit_rx_urb(priv) [L9728] COND TRUE ret < 0 [L9729] EXPR priv->hw [L9729] (priv->hw)->wiphy [L9737] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9738] return (0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={303:100}, ref_cnt=0, ret=-1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10767] RET, EXPR at76_mac80211_start(at76_ops_group0) [L10767] ldv_retval_2 = at76_mac80211_start(at76_ops_group0) [L10768] COND TRUE ldv_retval_2 == 0 [L10769] ldv_state_variable_2 = 2 [L10770] ref_cnt = ref_cnt + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: [L10743] case 2: [L10761] case 3: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=0, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10762] COND TRUE ldv_state_variable_2 != 0 [L10763] tmp___15 = __VERIFIER_nondet_int() [L10765] case 0: [L10776] case 1: [L10788] case 2: [L10800] case 3: [L10812] case 4: [L10824] case 5: [L10836] case 6: [L10848] case 7: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10849] COND TRUE ldv_state_variable_2 == 2 [L10850] CALL at76_mac80211_stop(at76_ops_group0) [L9743] struct at76_priv *priv ; [L9745] EXPR hw->priv [L9745] priv = (struct at76_priv *)hw->priv [L9746] COND FALSE !((int )at76_debug < 0) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9750] CALL cancel_delayed_work(& priv->dwork_hw_scan) [L11203] return __VERIFIER_nondet_bool(); [L9750] RET cancel_delayed_work(& priv->dwork_hw_scan) [L9751] CALL cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:683}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9751] RET cancel_work_sync(& priv->work_join_bssid) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_join_bssid)=4294967309, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9752] CALL cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg0={4294967298:531}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11207] return __VERIFIER_nondet_bool(); [L9752] RET cancel_work_sync(& priv->work_set_promisc) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, cancel_work_sync(& priv->work_set_promisc)=4294967303, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9753] FCALL mutex_lock_nested(& priv->mtx, 0U) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] EXPR (unsigned char *)priv + 1032UL VAL [(unsigned char *)priv + 1032UL=4294967297, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L9754] COND FALSE !((unsigned int )*((unsigned char *)priv + 1032UL) == 0U) [L9759] FCALL mutex_unlock(& priv->mtx) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw={0:0}, hw={0:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=2, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, priv={4294967298:319}, ref_cnt=1, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10850] RET at76_mac80211_stop(at76_ops_group0) [L10851] ldv_state_variable_2 = 1 [L10852] ref_cnt = ref_cnt - 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10674] tmp___11 = __VERIFIER_nondet_int() [L10676] case 0: [L10706] case 1: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10707] COND TRUE ldv_state_variable_0 != 0 [L10708] tmp___13 = __VERIFIER_nondet_int() [L10710] case 0: VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10711] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L10712] CALL at76_mod_exit() [L10563] int i ; [L10566] CALL ldv_usb_deregister_15(& at76_driver) [L10964] FCALL usb_deregister(arg) [L10965] ldv_state_variable_1 = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, arg={283:0}, arg={283:0}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10566] RET ldv_usb_deregister_15(& at76_driver) [L10567] i = 0 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=5, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=6, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=7, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND TRUE (unsigned int )i <= 8U VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=8, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10570] EXPR firmwares[i].fw [L10570] FCALL release_firmware(firmwares[i].fw) [L10571] i = i + 1 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, i=9, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L10573] COND FALSE !((unsigned int )i <= 8U) [L10577] EXPR \read(*ledtrig_tx) [L10577] FCALL led_trigger_unregister_simple(ledtrig_tx) [L10712] RET at76_mod_exit() [L10713] ldv_state_variable_0 = 2 VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1=4294967312, ldvarg10={596:0}, ldvarg11={0:0}, ldvarg12=8, ldvarg13=3, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=23, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={594:0}, ldvarg9={0:0}, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp={0:0}, tmp___0=4294967312, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=0, tmp___15=7, tmp___2={0:0}, tmp___3={0:0}, tmp___4=8, tmp___5=23, tmp___6={0:0}, tmp___7={0:0}, tmp___8=3, tmp___9={0:0}, tx_activity=0, usb_counter=0] [L10893] CALL ldv_check_final_state() [L11175] int tmp___7 ; [L11177] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L11066] return (last_index == 0); VAL [\result=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={284:0}, tx_activity=0, usb_counter=0] [L11177] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L11177] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L11178] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tmp___7=0, tx_activity=0, usb_counter=0] [L11180] CALL ldv_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] [L7206] reach_error() VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __this_module={4294967316:4294967305}, at76_channels={281:0}, at76_debug=0, at76_driver={283:0}, at76_driver_group1={0:0}, at76_ops={279:0}, at76_ops_group0={0:0}, at76_ops_group1={0:0}, at76_rates={280:0}, at76_supported_band={282:0}, boot_tvec_bases={4294967314:4294967318}, dev_table={274:0}, firmwares={273:0}, fw_mutex={272:0}, hw_rates={275:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ledtrig_tx={278:0}, ledtrig_tx_timer={277:0}, preambles={276:0}, ref_cnt=0, set_impl={284:0}, tx_activity=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 69 procedures, 1324 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 478.5s, OverallIterations: 27, TraceHistogramMax: 13, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.4s, AutomataDifference: 398.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 115 mSolverCounterUnknown, 40312 SdHoareTripleChecker+Valid, 367.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37598 mSDsluCounter, 184714 SdHoareTripleChecker+Invalid, 355.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141427 mSDsCounter, 21001 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80440 IncrementalHoareTripleChecker+Invalid, 101556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21001 mSolverCounterUnsat, 43287 mSDtfsCounter, 80440 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4921 GetRequests, 4574 SyntacticMatches, 4 SemanticMatches, 343 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44011occurred in iteration=10, InterpolantAutomatonStates: 278, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 21.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 63539 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 31.1s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 7767 NumberOfCodeBlocks, 7550 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 8708 ConstructedInterpolants, 0 QuantifiedInterpolants, 15303 SizeOfPredicates, 25 NumberOfNonLiveVariables, 54919 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 41 InterpolantComputations, 21 PerfectInterpolantSequences, 12641/12913 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:27:21,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/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--at76c50x-usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8 --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 d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:27:23,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:27:23,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:27:23,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:27:23,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:27:23,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:27:23,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:27:23,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:27:23,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:27:23,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:27:23,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:27:23,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:27:23,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:27:23,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:27:23,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:27:23,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:27:23,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:27:23,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:27:23,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:27:23,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:27:23,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:27:23,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:27:23,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:27:23,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:27:23,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:27:23,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:27:23,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:27:23,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:27:23,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:27:23,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:27:23,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:27:23,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:27:23,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:27:23,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:27:23,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:27:23,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:27:23,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:27:23,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:27:23,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:27:23,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:27:23,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:27:23,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 21:27:23,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:27:23,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:27:23,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:27:23,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:27:23,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:27:23,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:27:23,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:27:23,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:27:23,136 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:27:23,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:27:23,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:27:23,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:27:23,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:27:23,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:27:23,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:27:23,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:27:23,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:27:23,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:27:23,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:27:23,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:27:23,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:27:23,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:27:23,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:27:23,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:27:23,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:27:23,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:27:23,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:27:23,140 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:27:23,140 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:27:23,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:27:23,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:27:23,141 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:27:23,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:27:23,141 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:27:23,142 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:27:23,142 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2022-12-13 21:27:23,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:27:23,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:27:23,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:27:23,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:27:23,379 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:27:23,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:27:26,032 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:27:26,423 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:27:26,424 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:27:26,455 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/3c2a0c2a0/12798ed0425b4bf18e907175bedc870f/FLAG404fcefbc [2022-12-13 21:27:26,466 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/data/3c2a0c2a0/12798ed0425b4bf18e907175bedc870f [2022-12-13 21:27:26,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:27:26,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:27:26,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:27:26,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:27:26,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:27:26,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:27:26" (1/1) ... [2022-12-13 21:27:26,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cbb96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:26, skipping insertion in model container [2022-12-13 21:27:26,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:27:26" (1/1) ... [2022-12-13 21:27:26,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:27:26,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:27:27,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:27,234 WARN L237 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-12-13 21:27:27,291 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 21:27:27,363 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 21:27:27,430 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:27,493 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,497 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,501 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,505 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:27:27,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,512 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,514 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,516 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,517 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:27,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,522 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:27,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,525 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,531 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:27,531 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:27,532 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:27,536 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:27,540 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,545 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,545 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,550 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,554 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,558 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,567 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,580 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,585 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,586 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,598 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:27,599 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:27,600 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,612 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,613 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:27,614 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,619 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:27,623 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,628 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,632 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,637 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,646 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,650 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,653 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,657 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,659 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,664 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,666 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,670 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,676 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,678 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,682 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,688 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,696 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,712 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,713 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,714 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:27:27,714 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:27,714 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:27:27,715 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:27,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,724 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:27,725 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,725 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,730 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,731 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,731 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:27,731 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:27:27,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,745 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,751 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,752 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,756 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,757 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,762 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-13 21:27:27,762 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-13 21:27:27,767 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,770 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:27:27,770 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:27,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,772 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:27,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,774 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 21:27:27,778 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,779 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,779 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 21:27:27,779 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,780 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,781 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,781 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,783 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:27,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,784 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,784 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,790 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,791 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,792 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,796 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,796 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,802 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 21:27:27,802 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:27,806 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,807 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,808 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:27,808 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:27,809 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:27,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,811 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:27,812 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:27,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,817 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,822 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-13 21:27:27,822 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:27,822 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:27,822 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,823 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:27,823 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,827 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,827 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,827 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,834 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,835 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:27,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,836 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,836 WARN L623 FunctionHandler]: Unknown extern function ieee80211_scan_completed [2022-12-13 21:27:27,836 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:27,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,840 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,840 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:27,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,842 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,842 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:27,842 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,847 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:27,847 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,848 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,867 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:27,868 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,869 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,873 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,874 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:27,880 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:27,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:27,892 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 21:27:27,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,893 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:27,894 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:27,894 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:27,894 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:27,895 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:27,895 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:27,896 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:27,896 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:27,896 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:27,897 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:27:27,897 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 21:27:27,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,905 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,906 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:27,906 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:27,906 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,914 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,918 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 21:27:27,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,919 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:27,919 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:27,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,924 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 21:27:27,924 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 21:27:27,925 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:27,925 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:27,925 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:27,925 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:27,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,926 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,926 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:27:27,926 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:27,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,927 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 21:27:27,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,932 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 21:27:27,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,933 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,933 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:27,934 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,934 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:27,935 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:27,936 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:27,937 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:27,937 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:27,942 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:27,942 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:27,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,947 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:27,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,948 WARN L623 FunctionHandler]: Unknown extern function led_trigger_register_simple [2022-12-13 21:27:27,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:27,953 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 21:27:27,953 WARN L623 FunctionHandler]: Unknown extern function led_trigger_unregister_simple [2022-12-13 21:27:27,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:27,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:27,971 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,972 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,972 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,972 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,972 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,972 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:27,973 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:27,973 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:27:27,973 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:27:28,014 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:28,022 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,022 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,027 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,027 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,028 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,029 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:27:28,078 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 21:27:28,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:27:28,231 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,234 WARN L237 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-12-13 21:27:28,236 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 21:27:28,238 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 21:27:28,241 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:28,248 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,249 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,249 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,250 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:27:28,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,258 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,259 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,260 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,262 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,262 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,263 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,267 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:28,267 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:28,267 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:28,268 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:28,268 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,269 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,270 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,270 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,271 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,271 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,275 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,279 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,280 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,280 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,283 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,284 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,284 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,286 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,287 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,287 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,288 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,289 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,291 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,292 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,293 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,294 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,295 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,297 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,297 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,298 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,300 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,303 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,305 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,306 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,308 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,310 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,311 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,314 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,314 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,315 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:27:28,315 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:28,315 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:27:28,316 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:28,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,316 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,317 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,319 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,320 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,321 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,322 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,324 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,324 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:27:28,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,332 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,335 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,335 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,336 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,336 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,338 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-13 21:27:28,339 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-13 21:27:28,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,343 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:27:28,343 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:28,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,351 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,353 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 21:27:28,354 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,354 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 21:27:28,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,356 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,357 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,358 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,361 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,361 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,362 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,362 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 21:27:28,363 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:28,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,364 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,364 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:28,365 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:28,365 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:28,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,367 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,368 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:28,368 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,368 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,369 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,369 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,369 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,370 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-13 21:27:28,370 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:28,370 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:28,370 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,371 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,373 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:28,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,374 WARN L623 FunctionHandler]: Unknown extern function ieee80211_scan_completed [2022-12-13 21:27:28,374 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:28,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,375 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,375 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:28,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,376 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,377 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:28,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,378 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,379 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,379 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,380 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,381 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,381 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,383 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:28,384 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,386 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,388 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 21:27:28,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,389 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:28,389 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,389 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,389 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,389 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,390 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,390 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,390 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,390 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,391 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:27:28,391 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 21:27:28,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,399 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,400 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:28,400 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:28,400 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,402 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,404 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 21:27:28,404 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,404 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,405 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:28,406 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,408 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 21:27:28,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,408 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 21:27:28,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,409 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,409 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,410 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,410 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,410 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,411 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,411 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,412 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,412 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,412 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,413 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:28,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,413 WARN L623 FunctionHandler]: Unknown extern function led_trigger_register_simple [2022-12-13 21:27:28,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,420 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 21:27:28,420 WARN L623 FunctionHandler]: Unknown extern function led_trigger_unregister_simple [2022-12-13 21:27:28,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:28,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:28,424 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:28,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,426 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:27:28,426 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:27:28,430 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:28,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,431 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,432 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,432 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,433 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:27:28,447 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:27:28,553 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,556 WARN L237 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_f3174cbd-6405-4c66-8a84-f5abfbfcf727/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-12-13 21:27:28,558 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 21:27:28,564 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 21:27:28,569 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:28,584 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,584 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,585 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,585 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 21:27:28,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,587 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,587 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,588 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,590 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,592 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,592 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:28,592 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:28,593 WARN L623 FunctionHandler]: Unknown extern function led_trigger_event [2022-12-13 21:27:28,593 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 21:27:28,593 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,594 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,594 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,595 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,595 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,597 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,597 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,600 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,601 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,601 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,603 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,604 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 21:27:28,604 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,605 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,605 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,606 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,606 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,607 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,607 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,608 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,608 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,610 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,610 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,612 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,613 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,613 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,614 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,615 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,616 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,616 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,617 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,618 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,618 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,619 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,621 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,621 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,622 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,623 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,624 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,625 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,625 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,627 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-13 21:27:28,627 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:27:28,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,631 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,633 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,633 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,633 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,634 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,634 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,635 WARN L623 FunctionHandler]: Unknown extern function cfg80211_find_ie [2022-12-13 21:27:28,635 WARN L623 FunctionHandler]: Unknown extern function ieee80211_channel_to_frequency [2022-12-13 21:27:28,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,638 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:27:28,638 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:27:28,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,639 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,640 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-13 21:27:28,641 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,641 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-13 21:27:28,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,643 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,644 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,645 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,656 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,657 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,657 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,659 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-13 21:27:28,659 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:28,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,661 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,662 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:28,662 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:28,663 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:27:28,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,666 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,667 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 21:27:28,667 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,667 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,669 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,669 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,669 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,670 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-13 21:27:28,670 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:28,670 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 21:27:28,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,671 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,672 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,674 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,674 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:28,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,675 WARN L623 FunctionHandler]: Unknown extern function ieee80211_scan_completed [2022-12-13 21:27:28,675 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-13 21:27:28,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,677 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,677 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-13 21:27:28,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,679 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,679 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-13 21:27:28,679 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,681 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,682 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,685 WARN L623 FunctionHandler]: Unknown extern function print_hex_dump [2022-12-13 21:27:28,685 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,686 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,686 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,687 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-13 21:27:28,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 21:27:28,692 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 21:27:28,694 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw [2022-12-13 21:27:28,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,695 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:28,695 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,695 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,696 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,696 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,697 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,697 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,698 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 21:27:28,698 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:27:28,698 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:27:28,699 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 21:27:28,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,702 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,703 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:28,703 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 21:27:28,704 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,704 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,708 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,710 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-13 21:27:28,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,718 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,719 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,719 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,720 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 21:27:28,720 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-13 21:27:28,720 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,721 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:28,721 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:27:28,721 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 21:27:28,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,722 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,722 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:27:28,722 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,723 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-13 21:27:28,723 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,724 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 21:27:28,724 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,725 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,725 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,725 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,726 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,727 WARN L623 FunctionHandler]: Unknown extern function dev_printk [2022-12-13 21:27:28,727 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:27:28,728 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:27:28,728 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 21:27:28,729 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,729 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 21:27:28,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,731 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 21:27:28,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,731 WARN L623 FunctionHandler]: Unknown extern function led_trigger_register_simple [2022-12-13 21:27:28,732 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:27:28,732 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 21:27:28,733 WARN L623 FunctionHandler]: Unknown extern function led_trigger_unregister_simple [2022-12-13 21:27:28,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:28,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 21:27:28,739 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,739 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,740 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,740 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,740 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,740 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:28,741 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 21:27:28,741 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:27:28,741 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:27:28,745 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 21:27:28,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,750 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,751 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:27:28,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:27:28,813 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:27:28,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28 WrapperNode [2022-12-13 21:27:28,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:27:28,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:27:28,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:27:28,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:27:28,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:28,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,018 INFO L138 Inliner]: procedures = 254, calls = 3023, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5166 [2022-12-13 21:27:29,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:27:29,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:27:29,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:27:29,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:27:29,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,210 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:27:29,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:27:29,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:27:29,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:27:29,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (1/1) ... [2022-12-13 21:27:29,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:27:29,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:27:29,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:27:29,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:27:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-12-13 21:27:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-12-13 21:27:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-12-13 21:27:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-12-13 21:27:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-12-13 21:27:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 21:27:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:27:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-12-13 21:27:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-12-13 21:27:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-12-13 21:27:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 21:27:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 21:27:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-12-13 21:27:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-12-13 21:27:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-12-13 21:27:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-12-13 21:27:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-12-13 21:27:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-12-13 21:27:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-12-13 21:27:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-12-13 21:27:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-12-13 21:27:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-12-13 21:27:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-12-13 21:27:29,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-12-13 21:27:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:27:29,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:27:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-13 21:27:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:27:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-12-13 21:27:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-12-13 21:27:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-13 21:27:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-13 21:27:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 21:27:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-12-13 21:27:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-12-13 21:27:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:27:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:27:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-13 21:27:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-13 21:27:29,828 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:27:29,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:27:31,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:28:00,422 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:28:00,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:28:00,435 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 21:28:00,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:28:00 BoogieIcfgContainer [2022-12-13 21:28:00,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:28:00,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:28:00,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:28:00,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:28:00,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:27:26" (1/3) ... [2022-12-13 21:28:00,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279e7da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:28:00, skipping insertion in model container [2022-12-13 21:28:00,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:27:28" (2/3) ... [2022-12-13 21:28:00,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279e7da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:28:00, skipping insertion in model container [2022-12-13 21:28:00,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:28:00" (3/3) ... [2022-12-13 21:28:00,446 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-12-13 21:28:00,459 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:28:00,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:28:00,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:28:00,527 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52d768a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:28:00,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:28:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 1321 states, 956 states have (on average 1.3859832635983265) internal successors, (1325), 980 states have internal predecessors, (1325), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2022-12-13 21:28:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-13 21:28:00,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:28:00,548 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-12-13 21:28:00,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:28:00,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:28:00,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1064874827, now seen corresponding path program 1 times [2022-12-13 21:28:00,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:28:00,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939583188] [2022-12-13 21:28:00,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:28:00,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:00,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:28:00,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:28:00,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:28:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:28:04,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 3850 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:28:04,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:28:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-13 21:28:04,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:28:04,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:28:04,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939583188] [2022-12-13 21:28:04,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939583188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:28:04,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:28:04,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:28:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071996691] [2022-12-13 21:28:04,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:28:04,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:28:04,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:28:04,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:28:04,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:28:04,358 INFO L87 Difference]: Start difference. First operand has 1321 states, 956 states have (on average 1.3859832635983265) internal successors, (1325), 980 states have internal predecessors, (1325), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 21:28:04,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:28:04,721 INFO L93 Difference]: Finished difference Result 2640 states and 3916 transitions. [2022-12-13 21:28:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:28:04,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2022-12-13 21:28:04,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:28:04,737 INFO L225 Difference]: With dead ends: 2640 [2022-12-13 21:28:04,737 INFO L226 Difference]: Without dead ends: 1310 [2022-12-13 21:28:04,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:28:04,746 INFO L413 NwaCegarLoop]: 1900 mSDtfsCounter, 2 mSDsluCounter, 3787 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5687 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:28:04,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5687 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:28:04,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-12-13 21:28:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1310. [2022-12-13 21:28:04,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1310 states, 952 states have (on average 1.3728991596638656) internal successors, (1307), 969 states have internal predecessors, (1307), 291 states have call successors, (291), 67 states have call predecessors, (291), 66 states have return successors, (290), 289 states have call predecessors, (290), 290 states have call successors, (290) [2022-12-13 21:28:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1310 states and 1888 transitions. [2022-12-13 21:28:04,858 INFO L78 Accepts]: Start accepts. Automaton has 1310 states and 1888 transitions. Word has length 80 [2022-12-13 21:28:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:28:04,860 INFO L495 AbstractCegarLoop]: Abstraction has 1310 states and 1888 transitions. [2022-12-13 21:28:04,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 21:28:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1888 transitions. [2022-12-13 21:28:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 21:28:04,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:28:04,864 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-12-13 21:28:04,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:28:05,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:05,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:28:05,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:28:05,065 INFO L85 PathProgramCache]: Analyzing trace with hash -448175325, now seen corresponding path program 1 times [2022-12-13 21:28:05,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:28:05,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051240433] [2022-12-13 21:28:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:28:05,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:05,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:28:05,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:28:05,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 21:28:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:28:08,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 3872 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:28:08,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:28:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-13 21:28:08,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:28:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 21:28:09,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:28:09,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051240433] [2022-12-13 21:28:09,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051240433] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:28:09,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 21:28:09,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 21:28:09,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296969967] [2022-12-13 21:28:09,189 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 21:28:09,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:28:09,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:28:09,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:28:09,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:28:09,191 INFO L87 Difference]: Start difference. First operand 1310 states and 1888 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:28:10,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:28:10,488 INFO L93 Difference]: Finished difference Result 2610 states and 3788 transitions. [2022-12-13 21:28:10,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:28:10,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-12-13 21:28:10,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:28:10,495 INFO L225 Difference]: With dead ends: 2610 [2022-12-13 21:28:10,496 INFO L226 Difference]: Without dead ends: 1319 [2022-12-13 21:28:10,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:28:10,500 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 7 mSDsluCounter, 9337 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11213 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:28:10,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11213 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 21:28:10,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2022-12-13 21:28:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319. [2022-12-13 21:28:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 960 states have (on average 1.3729166666666666) internal successors, (1318), 977 states have internal predecessors, (1318), 291 states have call successors, (291), 68 states have call predecessors, (291), 67 states have return successors, (290), 289 states have call predecessors, (290), 290 states have call successors, (290) [2022-12-13 21:28:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1899 transitions. [2022-12-13 21:28:10,553 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1899 transitions. Word has length 82 [2022-12-13 21:28:10,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:28:10,554 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1899 transitions. [2022-12-13 21:28:10,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:28:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1899 transitions. [2022-12-13 21:28:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 21:28:10,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:28:10,557 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 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] [2022-12-13 21:28:10,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 21:28:10,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:10,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:28:10,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:28:10,758 INFO L85 PathProgramCache]: Analyzing trace with hash 544973717, now seen corresponding path program 2 times [2022-12-13 21:28:10,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:28:10,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286218259] [2022-12-13 21:28:10,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:28:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:28:10,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:28:10,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 21:28:13,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 21:28:13,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:28:14,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 3694 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:28:14,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:28:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-13 21:28:14,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:28:14,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:28:14,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286218259] [2022-12-13 21:28:14,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286218259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:28:14,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:28:14,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:28:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629180093] [2022-12-13 21:28:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:28:14,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:28:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:28:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:28:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:28:14,110 INFO L87 Difference]: Start difference. First operand 1319 states and 1899 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 21:28:14,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:28:14,653 INFO L93 Difference]: Finished difference Result 3879 states and 5593 transitions. [2022-12-13 21:28:14,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:28:14,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 86 [2022-12-13 21:28:14,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:28:14,664 INFO L225 Difference]: With dead ends: 3879 [2022-12-13 21:28:14,664 INFO L226 Difference]: Without dead ends: 2584 [2022-12-13 21:28:14,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:28:14,669 INFO L413 NwaCegarLoop]: 2174 mSDtfsCounter, 1823 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 4035 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:28:14,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 4035 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 21:28:14,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2584 states. [2022-12-13 21:28:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2584 to 2584. [2022-12-13 21:28:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 1882 states have (on average 1.377258235919235) internal successors, (2592), 1916 states have internal predecessors, (2592), 567 states have call successors, (567), 135 states have call predecessors, (567), 134 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 21:28:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3725 transitions. [2022-12-13 21:28:14,801 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3725 transitions. Word has length 86 [2022-12-13 21:28:14,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:28:14,801 INFO L495 AbstractCegarLoop]: Abstraction has 2584 states and 3725 transitions. [2022-12-13 21:28:14,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 21:28:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3725 transitions. [2022-12-13 21:28:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-13 21:28:14,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:28:14,805 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 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] [2022-12-13 21:28:14,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 21:28:15,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:15,006 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:28:15,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:28:15,007 INFO L85 PathProgramCache]: Analyzing trace with hash -801992927, now seen corresponding path program 1 times [2022-12-13 21:28:15,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:28:15,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793543411] [2022-12-13 21:28:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:28:15,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:15,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:28:15,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:28:15,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 21:28:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:28:19,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 3987 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 21:28:19,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:28:19,545 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-13 21:28:19,545 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:28:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-13 21:28:20,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:28:20,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793543411] [2022-12-13 21:28:20,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [793543411] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:28:20,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 21:28:20,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 21:28:20,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853887840] [2022-12-13 21:28:20,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 21:28:20,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:28:20,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:28:20,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:28:20,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:28:20,201 INFO L87 Difference]: Start difference. First operand 2584 states and 3725 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 21:28:21,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:28:21,879 INFO L93 Difference]: Finished difference Result 5161 states and 7485 transitions. [2022-12-13 21:28:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 21:28:21,881 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2022-12-13 21:28:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:28:21,890 INFO L225 Difference]: With dead ends: 5161 [2022-12-13 21:28:21,891 INFO L226 Difference]: Without dead ends: 2596 [2022-12-13 21:28:21,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:28:21,897 INFO L413 NwaCegarLoop]: 1874 mSDtfsCounter, 8 mSDsluCounter, 7483 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9357 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:28:21,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9357 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 21:28:21,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2596 states. [2022-12-13 21:28:21,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2596 to 2596. [2022-12-13 21:28:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2596 states, 1893 states have (on average 1.376122556788167) internal successors, (2605), 1927 states have internal predecessors, (2605), 567 states have call successors, (567), 136 states have call predecessors, (567), 135 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 21:28:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3738 transitions. [2022-12-13 21:28:21,972 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3738 transitions. Word has length 102 [2022-12-13 21:28:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:28:21,972 INFO L495 AbstractCegarLoop]: Abstraction has 2596 states and 3738 transitions. [2022-12-13 21:28:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 21:28:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3738 transitions. [2022-12-13 21:28:21,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-13 21:28:21,974 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:28:21,975 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 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] [2022-12-13 21:28:22,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 21:28:22,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:22,176 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:28:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:28:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash -819133599, now seen corresponding path program 2 times [2022-12-13 21:28:22,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:28:22,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102092701] [2022-12-13 21:28:22,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:28:22,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:28:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:28:22,183 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:28:22,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 21:30:51,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 21:30:51,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:30:51,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 4031 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:30:51,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-12-13 21:30:52,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:30:52,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:30:52,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102092701] [2022-12-13 21:30:52,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102092701] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:30:52,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:30:52,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:30:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409696988] [2022-12-13 21:30:52,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:30:52,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:30:52,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:30:52,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:30:52,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:30:52,273 INFO L87 Difference]: Start difference. First operand 2596 states and 3738 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:30:53,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:30:53,142 INFO L93 Difference]: Finished difference Result 7717 states and 11134 transitions. [2022-12-13 21:30:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:30:53,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2022-12-13 21:30:53,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:30:53,161 INFO L225 Difference]: With dead ends: 7717 [2022-12-13 21:30:53,162 INFO L226 Difference]: Without dead ends: 5145 [2022-12-13 21:30:53,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:30:53,169 INFO L413 NwaCegarLoop]: 2173 mSDtfsCounter, 1841 mSDsluCounter, 6194 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 8367 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:30:53,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 8367 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 21:30:53,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2022-12-13 21:30:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5137. [2022-12-13 21:30:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 3744 states have (on average 1.3771367521367521) internal successors, (5156), 3812 states have internal predecessors, (5156), 1123 states have call successors, (1123), 270 states have call predecessors, (1123), 269 states have return successors, (1134), 1118 states have call predecessors, (1134), 1122 states have call successors, (1134) [2022-12-13 21:30:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 7413 transitions. [2022-12-13 21:30:53,325 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 7413 transitions. Word has length 106 [2022-12-13 21:30:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:30:53,325 INFO L495 AbstractCegarLoop]: Abstraction has 5137 states and 7413 transitions. [2022-12-13 21:30:53,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:30:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 7413 transitions. [2022-12-13 21:30:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 21:30:53,331 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:30:53,331 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 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] [2022-12-13 21:30:53,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-12-13 21:30:53,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:30:53,532 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:30:53,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:30:53,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1632014294, now seen corresponding path program 1 times [2022-12-13 21:30:53,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:30:53,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451306064] [2022-12-13 21:30:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:30:53,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:30:53,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:30:53,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:30:53,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 21:30:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:30:58,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 4175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 21:30:58,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:30:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 101 proven. 21 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-13 21:30:59,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:31:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 21:31:00,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:31:00,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451306064] [2022-12-13 21:31:00,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451306064] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:31:00,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 21:31:00,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2022-12-13 21:31:00,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241962193] [2022-12-13 21:31:00,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 21:31:00,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 21:31:00,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:31:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 21:31:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-12-13 21:31:00,877 INFO L87 Difference]: Start difference. First operand 5137 states and 7413 transitions. Second operand has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:31:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:31:05,469 INFO L93 Difference]: Finished difference Result 10363 states and 15139 transitions. [2022-12-13 21:31:05,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 21:31:05,470 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2022-12-13 21:31:05,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:31:05,489 INFO L225 Difference]: With dead ends: 10363 [2022-12-13 21:31:05,490 INFO L226 Difference]: Without dead ends: 5243 [2022-12-13 21:31:05,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2022-12-13 21:31:05,502 INFO L413 NwaCegarLoop]: 1877 mSDtfsCounter, 32 mSDsluCounter, 18714 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 20591 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:31:05,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 20591 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 21:31:05,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5243 states. [2022-12-13 21:31:05,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5243 to 5203. [2022-12-13 21:31:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 3806 states have (on average 1.3794009458749343) internal successors, (5250), 3874 states have internal predecessors, (5250), 1123 states have call successors, (1123), 274 states have call predecessors, (1123), 273 states have return successors, (1134), 1118 states have call predecessors, (1134), 1122 states have call successors, (1134) [2022-12-13 21:31:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7507 transitions. [2022-12-13 21:31:05,650 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7507 transitions. Word has length 154 [2022-12-13 21:31:05,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:31:05,651 INFO L495 AbstractCegarLoop]: Abstraction has 5203 states and 7507 transitions. [2022-12-13 21:31:05,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:31:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7507 transitions. [2022-12-13 21:31:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 21:31:05,656 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:31:05,656 INFO L195 NwaCegarLoop]: trace histogram [12, 10, 10, 10, 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] [2022-12-13 21:31:05,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 21:31:05,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:31:05,857 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:31:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:31:05,858 INFO L85 PathProgramCache]: Analyzing trace with hash 762478070, now seen corresponding path program 2 times [2022-12-13 21:31:05,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:31:05,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185194859] [2022-12-13 21:31:05,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:31:05,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:31:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:31:05,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:31:05,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3174cbd-6405-4c66-8a84-f5abfbfcf727/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process