./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--mwifiex--mwifiex_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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_f07236c7-01f8-4158-a880-2a7d607125db/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 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- 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 13:54:02,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:54:02,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:54:02,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:54:02,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:54:02,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:54:02,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:54:02,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:54:02,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:54:02,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:54:02,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:54:02,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:54:02,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:54:02,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:54:02,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:54:02,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:54:02,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:54:02,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:54:02,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:54:02,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:54:02,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:54:02,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:54:02,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:54:02,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:54:02,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:54:02,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:54:02,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:54:02,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:54:02,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:54:02,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:54:02,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:54:02,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:54:02,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:54:02,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:54:02,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:54:02,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:54:02,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:54:02,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:54:02,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:54:02,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:54:02,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:54:02,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 13:54:02,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:54:02,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:54:02,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:54:02,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:54:02,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:54:02,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:54:02,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:54:02,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:54:02,111 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:54:02,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:54:02,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:54:02,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:54:02,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:54:02,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:54:02,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:54:02,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:54:02,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:54:02,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:54:02,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:54:02,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:54:02,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:54:02,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:54:02,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:54:02,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:54:02,115 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:54:02,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:54:02,115 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:54:02,115 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_f07236c7-01f8-4158-a880-2a7d607125db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-12-13 13:54:02,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:54:02,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:54:02,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:54:02,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:54:02,315 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:54:02,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:54:04,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:54:05,236 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:54:05,237 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:54:05,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/e0e2331c5/5f1fe5e69772494f92d4f6ede2510bd1/FLAGe99090ab5 [2022-12-13 13:54:05,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/e0e2331c5/5f1fe5e69772494f92d4f6ede2510bd1 [2022-12-13 13:54:05,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:54:05,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:54:05,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:54:05,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:54:05,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:54:05,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:54:05" (1/1) ... [2022-12-13 13:54:05,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436023f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:05, skipping insertion in model container [2022-12-13 13:54:05,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:54:05" (1/1) ... [2022-12-13 13:54:05,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:54:05,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:54:05,938 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:54:05,951 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,097 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_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-12-13 13:54:06,127 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:54:06,145 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:54:06,273 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 13:54:06,273 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,277 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 13:54:06,278 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,281 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 13:54:06,282 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,284 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,286 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,289 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,290 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 13:54:06,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,291 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:54:06,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,298 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,300 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 13:54:06,300 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:54:06,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,303 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,305 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,317 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 13:54:06,319 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,321 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:54:06,321 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,326 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,326 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,327 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,328 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,329 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,330 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,353 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 13:54:06,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,355 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 13:54:06,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,355 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:54:06,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,360 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,361 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 13:54:06,362 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,362 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,363 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,364 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,368 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,368 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,371 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 13:54:06,375 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,376 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate_all [2022-12-13 13:54:06,376 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 13:54:06,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,378 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 13:54:06,379 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:54:06,379 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,384 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,384 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,385 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,386 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,390 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,390 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,391 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,392 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,393 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,397 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:54:06,398 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,402 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:54:06,403 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,407 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,408 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,412 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:54:06,412 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,424 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,427 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,428 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,429 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,431 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,433 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,433 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,441 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:54:06,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,461 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 13:54:06,461 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 13:54:06,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 13:54:06,477 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 13:54:06,478 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,479 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,479 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,479 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,480 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,480 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,480 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:54:06,481 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:54:06,481 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:54:06,521 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:54:06,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:54:06,555 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:54:06,663 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:54:06,663 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,667 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_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-12-13 13:54:06,670 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:54:06,671 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:54:06,682 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 13:54:06,682 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,683 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 13:54:06,684 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,685 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 13:54:06,686 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,687 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,687 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,688 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,689 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 13:54:06,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,690 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:54:06,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,692 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,692 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 13:54:06,692 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:54:06,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,694 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,694 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,700 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 13:54:06,701 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,702 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:54:06,702 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,703 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,703 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,704 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,704 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,705 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,705 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:54:06,707 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,715 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 13:54:06,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,716 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 13:54:06,716 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,716 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:54:06,717 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,718 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,718 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 13:54:06,719 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,719 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,720 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,720 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:54:06,721 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,722 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,724 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 13:54:06,725 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,725 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate_all [2022-12-13 13:54:06,726 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 13:54:06,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,727 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 13:54:06,727 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:54:06,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,729 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,729 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,730 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,730 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,731 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,731 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,731 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,732 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:54:06,732 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,733 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:54:06,734 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,735 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:54:06,735 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,736 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,736 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,738 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:54:06,739 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,741 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,744 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:54:06,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,745 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:54:06,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:54:06,746 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,746 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:54:06,747 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:54:06,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:54:06,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:54:06,776 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 13:54:06,776 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 13:54:06,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 13:54:06,781 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 13:54:06,782 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,782 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,782 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,783 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,783 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,783 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:54:06,783 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:54:06,784 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:54:06,784 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:54:06,789 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:54:06,792 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,793 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,794 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,794 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:54:06,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:54:06,852 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:54:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06 WrapperNode [2022-12-13 13:54:06,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:54:06,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:54:06,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:54:06,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:54:06,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:06,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:06,980 INFO L138 Inliner]: procedures = 157, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2337 [2022-12-13 13:54:06,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:54:06,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:54:06,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:54:06,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:54:06,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:06,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:06,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:06,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:54:07,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:54:07,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:54:07,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:54:07,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (1/1) ... [2022-12-13 13:54:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:54:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:54:07,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:54:07,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:54:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 13:54:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 13:54:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-12-13 13:54:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-12-13 13:54:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 13:54:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-13 13:54:07,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 13:54:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 13:54:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 13:54:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 13:54:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:54:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:54:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:54:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 13:54:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 13:54:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 13:54:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 13:54:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-12-13 13:54:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-12-13 13:54:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 13:54:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 13:54:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 13:54:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 13:54:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:54:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:54:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 13:54:07,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 13:54:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-12-13 13:54:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-12-13 13:54:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-12-13 13:54:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-12-13 13:54:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 13:54:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 13:54:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:54:07,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:54:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:54:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:54:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:54:07,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 13:54:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 13:54:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-12-13 13:54:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 13:54:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 13:54:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-12-13 13:54:07,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 13:54:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 13:54:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 13:54:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-12-13 13:54:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 13:54:07,145 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 13:54:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 13:54:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 13:54:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 13:54:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 13:54:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 13:54:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 13:54:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:54:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:54:07,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-13 13:54:07,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-13 13:54:07,492 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:54:07,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:54:07,589 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 13:54:11,289 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:54:11,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:54:11,299 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:54:11,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:54:11 BoogieIcfgContainer [2022-12-13 13:54:11,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:54:11,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:54:11,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:54:11,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:54:11,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:54:05" (1/3) ... [2022-12-13 13:54:11,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40787979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:54:11, skipping insertion in model container [2022-12-13 13:54:11,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:54:06" (2/3) ... [2022-12-13 13:54:11,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40787979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:54:11, skipping insertion in model container [2022-12-13 13:54:11,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:54:11" (3/3) ... [2022-12-13 13:54:11,310 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:54:11,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:54:11,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:54:11,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:54:11,398 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;@2f7ed4a2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:54:11,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:54:11,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-13 13:54:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 13:54:11,415 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:54:11,415 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:11,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:54:11,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:54:11,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-12-13 13:54:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:54:11,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669226074] [2022-12-13 13:54:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:54:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:54:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:54:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:54:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:54:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:54:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 13:54:11,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:54:11,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669226074] [2022-12-13 13:54:11,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669226074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:54:11,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:54:11,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:54:11,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018629399] [2022-12-13 13:54:11,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:54:11,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:54:11,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:54:11,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:54:11,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:54:11,884 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:54:14,262 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 13:54:16,272 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 13:54:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:54:19,095 INFO L93 Difference]: Finished difference Result 2121 states and 3115 transitions. [2022-12-13 13:54:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:54:19,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-12-13 13:54:19,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:54:19,112 INFO L225 Difference]: With dead ends: 2121 [2022-12-13 13:54:19,112 INFO L226 Difference]: Without dead ends: 1432 [2022-12-13 13:54:19,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:54:19,120 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 1405 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 666 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 1818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:54:19,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 2636 Invalid, 1818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [666 Valid, 1150 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 13:54:19,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2022-12-13 13:54:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1286. [2022-12-13 13:54:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 957 states have (on average 1.3657262277951934) internal successors, (1307), 971 states have internal predecessors, (1307), 256 states have call successors, (256), 73 states have call predecessors, (256), 72 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-12-13 13:54:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1818 transitions. [2022-12-13 13:54:19,231 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1818 transitions. Word has length 45 [2022-12-13 13:54:19,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:54:19,231 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1818 transitions. [2022-12-13 13:54:19,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:54:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1818 transitions. [2022-12-13 13:54:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 13:54:19,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:54:19,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:19,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:54:19,236 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:54:19,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:54:19,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1828543170, now seen corresponding path program 1 times [2022-12-13 13:54:19,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:54:19,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071484313] [2022-12-13 13:54:19,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:54:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:54:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:54:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:54:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:54:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:54:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:54:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 13:54:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 13:54:19,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:54:19,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071484313] [2022-12-13 13:54:19,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071484313] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:54:19,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:54:19,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:54:19,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921246341] [2022-12-13 13:54:19,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:54:19,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:54:19,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:54:19,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:54:19,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:54:19,666 INFO L87 Difference]: Start difference. First operand 1286 states and 1818 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:54:21,959 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 13:54:23,967 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 13:54:27,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:54:27,025 INFO L93 Difference]: Finished difference Result 4123 states and 5934 transitions. [2022-12-13 13:54:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:54:27,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-12-13 13:54:27,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:54:27,036 INFO L225 Difference]: With dead ends: 4123 [2022-12-13 13:54:27,037 INFO L226 Difference]: Without dead ends: 2839 [2022-12-13 13:54:27,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 13:54:27,041 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 1388 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 1884 mSolverCounterSat, 641 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 4417 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 1884 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:54:27,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 4417 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [641 Valid, 1884 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-12-13 13:54:27,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2022-12-13 13:54:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2591. [2022-12-13 13:54:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2591 states, 1927 states have (on average 1.3642968344577062) internal successors, (2629), 1963 states have internal predecessors, (2629), 507 states have call successors, (507), 145 states have call predecessors, (507), 156 states have return successors, (561), 498 states have call predecessors, (561), 506 states have call successors, (561) [2022-12-13 13:54:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3697 transitions. [2022-12-13 13:54:27,133 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3697 transitions. Word has length 63 [2022-12-13 13:54:27,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:54:27,133 INFO L495 AbstractCegarLoop]: Abstraction has 2591 states and 3697 transitions. [2022-12-13 13:54:27,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:54:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3697 transitions. [2022-12-13 13:54:27,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 13:54:27,139 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:54:27,139 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-12-13 13:54:27,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:54:27,140 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:54:27,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:54:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1080085425, now seen corresponding path program 1 times [2022-12-13 13:54:27,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:54:27,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926636777] [2022-12-13 13:54:27,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:54:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:54:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:54:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:54:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:54:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:54:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 13:54:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 13:54:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 13:54:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:54:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 13:54:27,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:54:27,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926636777] [2022-12-13 13:54:27,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926636777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:54:27,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:54:27,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:54:27,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843396517] [2022-12-13 13:54:27,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:54:27,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:54:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:54:27,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:54:27,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:54:27,501 INFO L87 Difference]: Start difference. First operand 2591 states and 3697 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:54:29,681 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 13:54:31,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:54:33,698 WARN L539 Checker$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 13:54:35,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:54:38,376 WARN L539 Checker$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 13:54:40,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:54:42,392 WARN L539 Checker$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 13:54:44,399 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 13:54:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:54:47,035 INFO L93 Difference]: Finished difference Result 7632 states and 10965 transitions. [2022-12-13 13:54:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:54:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2022-12-13 13:54:47,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:54:47,063 INFO L225 Difference]: With dead ends: 7632 [2022-12-13 13:54:47,063 INFO L226 Difference]: Without dead ends: 5053 [2022-12-13 13:54:47,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:54:47,073 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 1341 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 845 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 3168 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:54:47,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 3168 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1558 Invalid, 8 Unknown, 0 Unchecked, 19.3s Time] [2022-12-13 13:54:47,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5053 states. [2022-12-13 13:54:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5053 to 4275. [2022-12-13 13:54:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 3162 states have (on average 1.3488298545224542) internal successors, (4265), 3224 states have internal predecessors, (4265), 829 states have call successors, (829), 262 states have call predecessors, (829), 283 states have return successors, (918), 816 states have call predecessors, (918), 828 states have call successors, (918) [2022-12-13 13:54:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6012 transitions. [2022-12-13 13:54:47,286 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6012 transitions. Word has length 113 [2022-12-13 13:54:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:54:47,286 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6012 transitions. [2022-12-13 13:54:47,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:54:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6012 transitions. [2022-12-13 13:54:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 13:54:47,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:54:47,295 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:54:47,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:54:47,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:54:47,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:54:47,295 INFO L85 PathProgramCache]: Analyzing trace with hash 265725666, now seen corresponding path program 1 times [2022-12-13 13:54:47,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:54:47,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56364366] [2022-12-13 13:54:47,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:54:47,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:54:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:54:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:54:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:54:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:54:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 13:54:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 13:54:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:54:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 13:54:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 13:54:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:54:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 13:54:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-12-13 13:54:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:54:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 13:54:47,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:54:47,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56364366] [2022-12-13 13:54:47,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56364366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:54:47,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:54:47,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:54:47,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830504198] [2022-12-13 13:54:47,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:54:47,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:54:47,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:54:47,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:54:47,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:54:47,639 INFO L87 Difference]: Start difference. First operand 4275 states and 6012 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:54:49,776 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 13:54:51,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:54:53,790 WARN L539 Checker$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 13:54:56,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:54:58,080 WARN L539 Checker$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 13:55:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:00,789 INFO L93 Difference]: Finished difference Result 10577 states and 14962 transitions. [2022-12-13 13:55:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:55:00,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-12-13 13:55:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:00,811 INFO L225 Difference]: With dead ends: 10577 [2022-12-13 13:55:00,811 INFO L226 Difference]: Without dead ends: 6318 [2022-12-13 13:55:00,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:55:00,821 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 842 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 399 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:00,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 4013 Invalid, 1975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 1571 Invalid, 5 Unknown, 0 Unchecked, 12.9s Time] [2022-12-13 13:55:00,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6318 states. [2022-12-13 13:55:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6318 to 5704. [2022-12-13 13:55:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 4250 states have (on average 1.3538823529411765) internal successors, (5754), 4336 states have internal predecessors, (5754), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 387 states have return successors, (1183), 1041 states have call predecessors, (1183), 1065 states have call successors, (1183) [2022-12-13 13:55:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 8003 transitions. [2022-12-13 13:55:01,023 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 8003 transitions. Word has length 130 [2022-12-13 13:55:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:01,023 INFO L495 AbstractCegarLoop]: Abstraction has 5704 states and 8003 transitions. [2022-12-13 13:55:01,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:55:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 8003 transitions. [2022-12-13 13:55:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 13:55:01,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:01,032 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 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] [2022-12-13 13:55:01,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:55:01,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:01,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:01,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1355234686, now seen corresponding path program 1 times [2022-12-13 13:55:01,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:01,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298154044] [2022-12-13 13:55:01,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:01,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:55:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 13:55:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:55:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:55:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:55:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:55:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-13 13:55:01,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:01,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298154044] [2022-12-13 13:55:01,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298154044] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:01,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:55:01,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 13:55:01,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003517331] [2022-12-13 13:55:01,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:01,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 13:55:01,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 13:55:01,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 13:55:01,755 INFO L87 Difference]: Start difference. First operand 5704 states and 8003 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 13:55:03,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:05,918 WARN L539 Checker$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 13:55:07,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:09,930 WARN L539 Checker$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 13:55:12,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:12,305 INFO L93 Difference]: Finished difference Result 12348 states and 17757 transitions. [2022-12-13 13:55:12,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:55:12,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 138 [2022-12-13 13:55:12,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:12,325 INFO L225 Difference]: With dead ends: 12348 [2022-12-13 13:55:12,325 INFO L226 Difference]: Without dead ends: 6671 [2022-12-13 13:55:12,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:55:12,337 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 336 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1504 mSolverCounterSat, 321 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 3982 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1504 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:12,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 3982 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 1504 Invalid, 4 Unknown, 0 Unchecked, 10.2s Time] [2022-12-13 13:55:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6671 states. [2022-12-13 13:55:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6671 to 5952. [2022-12-13 13:55:12,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 4396 states have (on average 1.3475887170154686) internal successors, (5924), 4500 states have internal predecessors, (5924), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 413 states have return successors, (1329), 1125 states have call predecessors, (1329), 1141 states have call successors, (1329) [2022-12-13 13:55:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8395 transitions. [2022-12-13 13:55:12,632 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8395 transitions. Word has length 138 [2022-12-13 13:55:12,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:12,633 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8395 transitions. [2022-12-13 13:55:12,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (14), 6 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 13:55:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8395 transitions. [2022-12-13 13:55:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 13:55:12,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:12,641 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 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 13:55:12,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:55:12,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:12,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:12,642 INFO L85 PathProgramCache]: Analyzing trace with hash 324022734, now seen corresponding path program 1 times [2022-12-13 13:55:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:12,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737885677] [2022-12-13 13:55:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:12,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:55:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 13:55:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:55:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:55:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:55:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:55:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 13:55:13,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:13,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737885677] [2022-12-13 13:55:13,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737885677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:13,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:55:13,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:55:13,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588777269] [2022-12-13 13:55:13,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:13,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:55:13,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:13,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:55:13,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:55:13,796 INFO L87 Difference]: Start difference. First operand 5952 states and 8395 transitions. Second operand has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 13:55:15,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:18,001 WARN L539 Checker$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 13:55:20,011 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 13:55:22,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:22,386 INFO L93 Difference]: Finished difference Result 12599 states and 17881 transitions. [2022-12-13 13:55:22,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:55:22,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2022-12-13 13:55:22,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:22,411 INFO L225 Difference]: With dead ends: 12599 [2022-12-13 13:55:22,411 INFO L226 Difference]: Without dead ends: 6674 [2022-12-13 13:55:22,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:55:22,423 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 876 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 487 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 4307 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 487 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:22,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 4307 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [487 Valid, 1674 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-12-13 13:55:22,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-12-13 13:55:22,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5952. [2022-12-13 13:55:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5952 states, 4396 states have (on average 1.3466787989080982) internal successors, (5920), 4500 states have internal predecessors, (5920), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 413 states have return successors, (1329), 1125 states have call predecessors, (1329), 1141 states have call successors, (1329) [2022-12-13 13:55:22,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5952 states to 5952 states and 8391 transitions. [2022-12-13 13:55:22,698 INFO L78 Accepts]: Start accepts. Automaton has 5952 states and 8391 transitions. Word has length 145 [2022-12-13 13:55:22,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:22,699 INFO L495 AbstractCegarLoop]: Abstraction has 5952 states and 8391 transitions. [2022-12-13 13:55:22,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.88888888888889) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (15), 6 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 13:55:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5952 states and 8391 transitions. [2022-12-13 13:55:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 13:55:22,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:22,707 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 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 13:55:22,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 13:55:22,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash 442464208, now seen corresponding path program 1 times [2022-12-13 13:55:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:22,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650170057] [2022-12-13 13:55:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:55:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 13:55:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:55:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:55:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:55:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 13:55:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-13 13:55:23,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:23,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650170057] [2022-12-13 13:55:23,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650170057] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:23,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:55:23,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 13:55:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028296267] [2022-12-13 13:55:23,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:23,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 13:55:23,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:23,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 13:55:23,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-13 13:55:23,778 INFO L87 Difference]: Start difference. First operand 5952 states and 8391 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:55:25,934 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 13:55:27,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:29,952 WARN L539 Checker$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 13:55:32,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:32,716 INFO L93 Difference]: Finished difference Result 12600 states and 17877 transitions. [2022-12-13 13:55:32,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:55:32,717 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 145 [2022-12-13 13:55:32,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:32,740 INFO L225 Difference]: With dead ends: 12600 [2022-12-13 13:55:32,740 INFO L226 Difference]: Without dead ends: 6675 [2022-12-13 13:55:32,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-12-13 13:55:32,752 INFO L413 NwaCegarLoop]: 813 mSDtfsCounter, 445 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 483 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:32,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 5334 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1989 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-12-13 13:55:32,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6675 states. [2022-12-13 13:55:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6675 to 6000. [2022-12-13 13:55:32,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6000 states, 4432 states have (on average 1.3438628158844765) internal successors, (5956), 4532 states have internal predecessors, (5956), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 425 states have return successors, (1375), 1141 states have call predecessors, (1375), 1141 states have call successors, (1375) [2022-12-13 13:55:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 8473 transitions. [2022-12-13 13:55:32,994 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 8473 transitions. Word has length 145 [2022-12-13 13:55:32,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:32,995 INFO L495 AbstractCegarLoop]: Abstraction has 6000 states and 8473 transitions. [2022-12-13 13:55:32,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 6 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:55:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 8473 transitions. [2022-12-13 13:55:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 13:55:33,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:33,008 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 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] [2022-12-13 13:55:33,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 13:55:33,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:33,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1644094764, now seen corresponding path program 1 times [2022-12-13 13:55:33,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:33,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115822326] [2022-12-13 13:55:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:33,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 13:55:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 13:55:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 13:55:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 13:55:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 13:55:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 13:55:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 13:55:33,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:33,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115822326] [2022-12-13 13:55:33,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115822326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:33,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:55:33,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 13:55:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880204007] [2022-12-13 13:55:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:33,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:55:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:33,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:55:33,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:55:33,698 INFO L87 Difference]: Start difference. First operand 6000 states and 8473 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:55:35,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:37,886 WARN L539 Checker$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 13:55:39,893 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 13:55:42,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:42,539 INFO L93 Difference]: Finished difference Result 12649 states and 17952 transitions. [2022-12-13 13:55:42,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:55:42,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2022-12-13 13:55:42,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:42,557 INFO L225 Difference]: With dead ends: 12649 [2022-12-13 13:55:42,557 INFO L226 Difference]: Without dead ends: 6657 [2022-12-13 13:55:42,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:55:42,569 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 447 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 489 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 3658 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:42,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 3658 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 1431 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-12-13 13:55:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2022-12-13 13:55:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 6009. [2022-12-13 13:55:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6009 states, 4441 states have (on average 1.343165953614051) internal successors, (5965), 4541 states have internal predecessors, (5965), 1142 states have call successors, (1142), 358 states have call predecessors, (1142), 425 states have return successors, (1375), 1141 states have call predecessors, (1375), 1141 states have call successors, (1375) [2022-12-13 13:55:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6009 states to 6009 states and 8482 transitions. [2022-12-13 13:55:42,762 INFO L78 Accepts]: Start accepts. Automaton has 6009 states and 8482 transitions. Word has length 151 [2022-12-13 13:55:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:42,762 INFO L495 AbstractCegarLoop]: Abstraction has 6009 states and 8482 transitions. [2022-12-13 13:55:42,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:55:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 6009 states and 8482 transitions. [2022-12-13 13:55:42,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-13 13:55:42,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:42,770 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 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] [2022-12-13 13:55:42,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 13:55:42,770 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:42,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1976096216, now seen corresponding path program 1 times [2022-12-13 13:55:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:42,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377658501] [2022-12-13 13:55:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 13:55:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:55:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:55:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:55:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 13:55:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 13:55:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 13:55:43,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:43,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377658501] [2022-12-13 13:55:43,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377658501] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:55:43,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651004369] [2022-12-13 13:55:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:43,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:55:43,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:55:43,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:55:43,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 13:55:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:44,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 13:55:44,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:55:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 13:55:44,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:55:44,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651004369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:44,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 13:55:44,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 13:55:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798254056] [2022-12-13 13:55:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:44,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:55:44,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:44,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:55:44,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:55:44,111 INFO L87 Difference]: Start difference. First operand 6009 states and 8482 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:55:44,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:44,347 INFO L93 Difference]: Finished difference Result 9166 states and 12904 transitions. [2022-12-13 13:55:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:55:44,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 152 [2022-12-13 13:55:44,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:44,357 INFO L225 Difference]: With dead ends: 9166 [2022-12-13 13:55:44,357 INFO L226 Difference]: Without dead ends: 3175 [2022-12-13 13:55:44,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-12-13 13:55:44,372 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:44,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:55:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2022-12-13 13:55:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3079. [2022-12-13 13:55:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3413777972795085) internal successors, (3057), 2329 states have internal predecessors, (3057), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-12-13 13:55:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4329 transitions. [2022-12-13 13:55:44,485 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4329 transitions. Word has length 152 [2022-12-13 13:55:44,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:44,485 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4329 transitions. [2022-12-13 13:55:44,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 13:55:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4329 transitions. [2022-12-13 13:55:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:55:44,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:44,490 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 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] [2022-12-13 13:55:44,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 13:55:44,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:55:44,690 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:44,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1367720979, now seen corresponding path program 1 times [2022-12-13 13:55:44,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:44,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716145109] [2022-12-13 13:55:44,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:44,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 13:55:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:55:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 13:55:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:55:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 13:55:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 13:55:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:55:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:45,509 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-13 13:55:45,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:45,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716145109] [2022-12-13 13:55:45,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716145109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:55:45,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:55:45,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 13:55:45,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865152909] [2022-12-13 13:55:45,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:55:45,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 13:55:45,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:45,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 13:55:45,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 13:55:45,511 INFO L87 Difference]: Start difference. First operand 3079 states and 4329 transitions. Second operand has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 13:55:47,712 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 13:55:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:55:49,981 INFO L93 Difference]: Finished difference Result 6449 states and 9117 transitions. [2022-12-13 13:55:49,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 13:55:49,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 158 [2022-12-13 13:55:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:55:49,989 INFO L225 Difference]: With dead ends: 6449 [2022-12-13 13:55:49,989 INFO L226 Difference]: Without dead ends: 3413 [2022-12-13 13:55:49,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:55:49,994 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 748 mSDsluCounter, 3636 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 4481 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 13:55:49,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 4481 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 1728 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 13:55:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2022-12-13 13:55:50,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3079. [2022-12-13 13:55:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2279 states have (on average 1.3405002193944713) internal successors, (3055), 2329 states have internal predecessors, (3055), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-12-13 13:55:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4327 transitions. [2022-12-13 13:55:50,106 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4327 transitions. Word has length 158 [2022-12-13 13:55:50,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:55:50,106 INFO L495 AbstractCegarLoop]: Abstraction has 3079 states and 4327 transitions. [2022-12-13 13:55:50,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.555555555555555) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 13:55:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4327 transitions. [2022-12-13 13:55:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 13:55:50,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:55:50,111 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 3, 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] [2022-12-13 13:55:50,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 13:55:50,111 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:55:50,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:55:50,111 INFO L85 PathProgramCache]: Analyzing trace with hash -538682287, now seen corresponding path program 1 times [2022-12-13 13:55:50,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:55:50,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125555114] [2022-12-13 13:55:50,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:50,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:55:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:55:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:55:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:55:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 13:55:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 13:55:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 13:55:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 13:55:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 13:55:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 13:55:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:55:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 13:55:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:55:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:55:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 13:55:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:55:50,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125555114] [2022-12-13 13:55:50,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125555114] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 13:55:50,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417562656] [2022-12-13 13:55:50,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:55:50,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:55:50,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:55:50,938 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 13:55:50,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 13:55:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:55:52,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 13:55:52,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:55:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 13:55:52,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:55:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 13:55:52,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417562656] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:55:52,514 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 13:55:52,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-12-13 13:55:52,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333794302] [2022-12-13 13:55:52,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 13:55:52,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 13:55:52,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:55:52,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 13:55:52,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-12-13 13:55:52,516 INFO L87 Difference]: Start difference. First operand 3079 states and 4327 transitions. Second operand has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 13:55:54,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:55:56,877 WARN L539 Checker$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 13:55:58,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:00,897 WARN L539 Checker$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 13:56:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:56:04,747 INFO L93 Difference]: Finished difference Result 6479 states and 9155 transitions. [2022-12-13 13:56:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 13:56:04,748 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 158 [2022-12-13 13:56:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:56:04,754 INFO L225 Difference]: With dead ends: 6479 [2022-12-13 13:56:04,755 INFO L226 Difference]: Without dead ends: 3415 [2022-12-13 13:56:04,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-12-13 13:56:04,758 INFO L413 NwaCegarLoop]: 838 mSDtfsCounter, 456 mSDsluCounter, 5829 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 472 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 6667 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 472 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-13 13:56:04,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 6667 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [472 Valid, 2546 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-12-13 13:56:04,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2022-12-13 13:56:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3086. [2022-12-13 13:56:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3086 states, 2286 states have (on average 1.3394575678040246) internal successors, (3062), 2336 states have internal predecessors, (3062), 578 states have call successors, (578), 188 states have call predecessors, (578), 221 states have return successors, (694), 577 states have call predecessors, (694), 577 states have call successors, (694) [2022-12-13 13:56:04,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 3086 states and 4334 transitions. [2022-12-13 13:56:04,850 INFO L78 Accepts]: Start accepts. Automaton has 3086 states and 4334 transitions. Word has length 158 [2022-12-13 13:56:04,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:56:04,851 INFO L495 AbstractCegarLoop]: Abstraction has 3086 states and 4334 transitions. [2022-12-13 13:56:04,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.0) internal successors, (140), 10 states have internal predecessors, (140), 2 states have call successors, (41), 6 states have call predecessors, (41), 5 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 13:56:04,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 4334 transitions. [2022-12-13 13:56:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 13:56:04,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:56:04,855 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 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] [2022-12-13 13:56:04,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 13:56:05,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 13:56:05,056 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:56:05,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:05,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 2 times [2022-12-13 13:56:05,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:05,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469221945] [2022-12-13 13:56:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:05,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:56:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:56:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:56:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:56:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 13:56:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:56:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:56:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:56:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:56:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 13:56:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:56:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 13:56:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:56:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-13 13:56:07,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469221945] [2022-12-13 13:56:07,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469221945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:07,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:07,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-12-13 13:56:07,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030288250] [2022-12-13 13:56:07,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:07,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 13:56:07,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 13:56:07,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-12-13 13:56:07,490 INFO L87 Difference]: Start difference. First operand 3086 states and 4334 transitions. Second operand has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:56:09,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:11,935 WARN L539 Checker$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 13:56:16,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:56:16,573 INFO L93 Difference]: Finished difference Result 6457 states and 9213 transitions. [2022-12-13 13:56:16,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 13:56:16,574 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-12-13 13:56:16,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:56:16,583 INFO L225 Difference]: With dead ends: 6457 [2022-12-13 13:56:16,583 INFO L226 Difference]: Without dead ends: 3417 [2022-12-13 13:56:16,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-12-13 13:56:16,589 INFO L413 NwaCegarLoop]: 846 mSDtfsCounter, 454 mSDsluCounter, 9831 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 457 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 10677 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 457 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:56:16,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 10677 Invalid, 4422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [457 Valid, 3963 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-12-13 13:56:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2022-12-13 13:56:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3098. [2022-12-13 13:56:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3098 states, 2297 states have (on average 1.3352198519808445) internal successors, (3067), 2342 states have internal predecessors, (3067), 578 states have call successors, (578), 188 states have call predecessors, (578), 222 states have return successors, (698), 583 states have call predecessors, (698), 577 states have call successors, (698) [2022-12-13 13:56:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3098 states to 3098 states and 4343 transitions. [2022-12-13 13:56:16,752 INFO L78 Accepts]: Start accepts. Automaton has 3098 states and 4343 transitions. Word has length 161 [2022-12-13 13:56:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:56:16,753 INFO L495 AbstractCegarLoop]: Abstraction has 3098 states and 4343 transitions. [2022-12-13 13:56:16,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.888888888888889) internal successors, (106), 11 states have internal predecessors, (106), 3 states have call successors, (17), 6 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 13:56:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 4343 transitions. [2022-12-13 13:56:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 13:56:16,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:56:16,762 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 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] [2022-12-13 13:56:16,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 13:56:16,762 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:56:16,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:16,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1195665736, now seen corresponding path program 1 times [2022-12-13 13:56:16,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:16,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084860887] [2022-12-13 13:56:16,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:16,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:56:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:56:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:56:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:56:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 13:56:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:56:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:56:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:56:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:56:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 13:56:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 13:56:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 13:56:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 13:56:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 13:56:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:56:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-12-13 13:56:17,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:17,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084860887] [2022-12-13 13:56:17,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084860887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:17,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:17,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:56:17,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684213668] [2022-12-13 13:56:17,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:17,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:56:17,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:17,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:56:17,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:56:17,138 INFO L87 Difference]: Start difference. First operand 3098 states and 4343 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 13:56:19,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:21,274 WARN L539 Checker$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 13:56:23,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:26,476 WARN L539 Checker$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 13:56:28,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:29,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:56:29,785 INFO L93 Difference]: Finished difference Result 7298 states and 10244 transitions. [2022-12-13 13:56:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:56:29,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-12-13 13:56:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:56:29,793 INFO L225 Difference]: With dead ends: 7298 [2022-12-13 13:56:29,793 INFO L226 Difference]: Without dead ends: 4246 [2022-12-13 13:56:29,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 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 13:56:29,797 INFO L413 NwaCegarLoop]: 975 mSDtfsCounter, 981 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 446 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 446 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:56:29,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 2597 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [446 Valid, 1026 Invalid, 5 Unknown, 0 Unchecked, 12.4s Time] [2022-12-13 13:56:29,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4246 states. [2022-12-13 13:56:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4246 to 3955. [2022-12-13 13:56:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 2955 states have (on average 1.3367174280879865) internal successors, (3950), 3010 states have internal predecessors, (3950), 704 states have call successors, (704), 248 states have call predecessors, (704), 295 states have return successors, (861), 714 states have call predecessors, (861), 703 states have call successors, (861) [2022-12-13 13:56:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5515 transitions. [2022-12-13 13:56:29,918 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5515 transitions. Word has length 172 [2022-12-13 13:56:29,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:56:29,919 INFO L495 AbstractCegarLoop]: Abstraction has 3955 states and 5515 transitions. [2022-12-13 13:56:29,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 13:56:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5515 transitions. [2022-12-13 13:56:29,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 13:56:29,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:56:29,922 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:29,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 13:56:29,922 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:56:29,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:29,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-12-13 13:56:29,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:29,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461943687] [2022-12-13 13:56:29,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:29,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:56:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 13:56:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 13:56:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 13:56:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 13:56:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 13:56:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 13:56:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 13:56:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 13:56:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 13:56:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 13:56:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 13:56:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 13:56:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 13:56:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 13:56:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 13:56:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:56:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-13 13:56:32,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:56:32,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461943687] [2022-12-13 13:56:32,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461943687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:56:32,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:56:32,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-13 13:56:32,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330941842] [2022-12-13 13:56:32,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:56:32,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 13:56:32,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:56:32,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 13:56:32,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-12-13 13:56:32,131 INFO L87 Difference]: Start difference. First operand 3955 states and 5515 transitions. Second operand has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 13:56:34,446 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 13:56:36,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:56:38,465 WARN L539 Checker$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 13:56:40,471 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 13:56:45,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:56:45,928 INFO L93 Difference]: Finished difference Result 8258 states and 11688 transitions. [2022-12-13 13:56:45,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 13:56:45,929 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) Word has length 169 [2022-12-13 13:56:45,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:56:45,937 INFO L225 Difference]: With dead ends: 8258 [2022-12-13 13:56:45,937 INFO L226 Difference]: Without dead ends: 4349 [2022-12-13 13:56:45,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-12-13 13:56:45,943 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 231 mSDsluCounter, 9902 mSDsCounter, 0 mSdLazyCounter, 4266 mSolverCounterSat, 157 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 10742 SdHoareTripleChecker+Invalid, 4427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4266 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-12-13 13:56:45,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 10742 Invalid, 4427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4266 Invalid, 4 Unknown, 0 Unchecked, 13.4s Time] [2022-12-13 13:56:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-12-13 13:56:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 3968. [2022-12-13 13:56:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 2966 states have (on average 1.3341200269723534) internal successors, (3957), 3018 states have internal predecessors, (3957), 704 states have call successors, (704), 248 states have call predecessors, (704), 297 states have return successors, (864), 719 states have call predecessors, (864), 703 states have call successors, (864) [2022-12-13 13:56:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5525 transitions. [2022-12-13 13:56:46,071 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5525 transitions. Word has length 169 [2022-12-13 13:56:46,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:56:46,071 INFO L495 AbstractCegarLoop]: Abstraction has 3968 states and 5525 transitions. [2022-12-13 13:56:46,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 2 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (19), 6 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 13:56:46,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5525 transitions. [2022-12-13 13:56:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 13:56:46,075 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:56:46,075 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 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] [2022-12-13 13:56:46,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 13:56:46,075 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:56:46,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:56:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-12-13 13:56:46,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:56:46,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725528036] [2022-12-13 13:56:46,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:56:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:56:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:56:46,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:56:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:56:47,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:56:47,597 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 13:56:47,598 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 13:56:47,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 13:56:47,601 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:56:47,604 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:56:47,623 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 13:56:47,644 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,644 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,644 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,644 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,645 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 13:56:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:56:47 BoogieIcfgContainer [2022-12-13 13:56:47,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:56:47,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:56:47,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:56:47,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:56:47,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:54:11" (3/4) ... [2022-12-13 13:56:47,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 13:56:47,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:56:47,740 INFO L158 Benchmark]: Toolchain (without parser) took 162467.55ms. Allocated memory was 130.0MB in the beginning and 614.5MB in the end (delta: 484.4MB). Free memory was 77.6MB in the beginning and 280.9MB in the end (delta: -203.2MB). Peak memory consumption was 283.6MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,740 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:56:47,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1578.87ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 77.2MB in the beginning and 79.3MB in the end (delta: -2.1MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.76ms. Allocated memory is still 178.3MB. Free memory was 79.3MB in the beginning and 64.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,741 INFO L158 Benchmark]: Boogie Preprocessor took 94.91ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 64.6MB in the beginning and 132.0MB in the end (delta: -67.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,741 INFO L158 Benchmark]: RCFGBuilder took 4225.26ms. Allocated memory is still 213.9MB. Free memory was 132.0MB in the beginning and 83.0MB in the end (delta: 49.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,741 INFO L158 Benchmark]: TraceAbstraction took 156432.05ms. Allocated memory was 213.9MB in the beginning and 614.5MB in the end (delta: 400.6MB). Free memory was 81.9MB in the beginning and 280.9MB in the end (delta: -199.0MB). Peak memory consumption was 358.9MB. Max. memory is 16.1GB. [2022-12-13 13:56:47,741 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 614.5MB. Free memory is still 280.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:56:47,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1578.87ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 77.2MB in the beginning and 79.3MB in the end (delta: -2.1MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.76ms. Allocated memory is still 178.3MB. Free memory was 79.3MB in the beginning and 64.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.91ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 64.6MB in the beginning and 132.0MB in the end (delta: -67.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4225.26ms. Allocated memory is still 213.9MB. Free memory was 132.0MB in the beginning and 83.0MB in the end (delta: 49.1MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * TraceAbstraction took 156432.05ms. Allocated memory was 213.9MB in the beginning and 614.5MB in the end (delta: 400.6MB). Free memory was 81.9MB in the beginning and 280.9MB in the end (delta: -199.0MB). Peak memory consumption was 358.9MB. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 614.5MB. Free memory is still 280.9MB. 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 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: 7323]: 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 8891, overapproximation of bitwiseAnd at line 8897. Possible FailurePath: [L7346] int LDV_IN_INTERRUPT = 1; [L7347] struct usb_interface *mwifiex_usb_driver_group1 ; [L7348] int ldv_state_variable_2 ; [L7349] int ref_cnt ; [L7350] struct mwifiex_adapter *usb_ops_group0 ; [L7351] int ldv_state_variable_1 ; [L7352] int usb_counter ; [L7353] struct sk_buff *usb_ops_group1 ; [L7354] int ldv_state_variable_0 ; [L7514] static u8 user_rmmod ; [L7516] static struct semaphore add_remove_card_sem ; [L7517-L7527] static struct usb_device_id mwifiex_usb_table[5U] = { {3U, 4742U, 8259U, (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, 0UL}, {899U, 4742U, 8260U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}, {3U, 4742U, 8261U, (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, 0UL}, {899U, 4742U, 8262U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}}; [L7528] struct usb_device_id const __mod_usb__mwifiex_usb_table_device_table ; [L8349-L8355] static struct usb_driver mwifiex_usb_driver = {"mwifiex_usb", & mwifiex_usb_probe, & mwifiex_usb_disconnect, 0, & mwifiex_usb_suspend, & mwifiex_usb_resume, 0, 0, 0, (struct usb_device_id const *)(& mwifiex_usb_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, (unsigned char)0, 1U}; [L8862-L8866] static struct mwifiex_if_ops usb_ops = {0, 0, 0, 0, & mwifiex_register_dev, & mwifiex_unregister_dev, 0, 0, 0, & mwifiex_usb_host_to_card, & mwifiex_pm_wakeup_card, & mwifiex_pm_wakeup_card_complete, 0, 0, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_data_complete, 0, & mwifiex_usb_dnld_fw, 0, 0, 0}; [L8920] int ldv_retval_0 ; [L8921] int ldv_retval_4 ; [L8922] int ldv_retval_1 ; [L8926] int ldv_retval_3 ; [L8927] int ldv_retval_2 ; [L9241] Element set_impl[15] ; [L9242] int last_index = 0; [L9376] Set LDV_SKBS ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8951] u8 ldvarg1 ; [L8952] u8 tmp ; [L8953] struct mwifiex_tx_param *ldvarg0 ; [L8954] void *tmp___0 ; [L8955] struct mwifiex_fw_image *ldvarg2 ; [L8956] void *tmp___1 ; [L8957] struct usb_device_id *ldvarg4 ; [L8958] void *tmp___2 ; [L8959] pm_message_t ldvarg3 ; [L8960] int tmp___3 ; [L8961] int tmp___4 ; [L8962] int tmp___5 ; [L8963] int tmp___6 ; [L8965] tmp = __VERIFIER_nondet_u8() [L8966] ldvarg1 = tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=2, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=4, tmp___0=-2, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=2, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8967] tmp___0 = ldv_zalloc(4UL) [L8968] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=32, tmp___0=-3, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8969] tmp___1 = ldv_zalloc(32UL) [L8970] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=32, tmp___0=-4, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8971] tmp___2 = ldv_zalloc(32UL) [L8972] ldvarg4 = (struct usb_device_id *)tmp___2 [L8973] CALL ldv_initialize() [L9395] CALL ldv_set_init(LDV_SKBS) [L9247] set = set_impl [L9248] last_index = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={167:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9395] RET ldv_set_init(LDV_SKBS) [L8973] RET ldv_initialize() [L8974] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={337:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8975] ldv_state_variable_1 = 0 [L8976] ref_cnt = 0 [L8977] ldv_state_variable_0 = 1 [L8978] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: [L9068] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9069] COND TRUE ldv_state_variable_0 == 1 [L9070] CALL, EXPR mwifiex_usb_init_module() [L8869] int ret ; [L8870] struct _ddebug descriptor ; [L8871] long tmp ; [L8872] struct _ddebug descriptor___0 ; [L8873] long tmp___0 ; [L8875] descriptor.modname = "mwifiex_usb" [L8876] descriptor.function = "mwifiex_usb_init_module" [L8877] descriptor.filename = "/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/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8878] descriptor.format = "Marvell USB8797 Driver\n" [L8879] descriptor.lineno = 1046U [L8880] descriptor.flags = 0U [L8881] EXPR descriptor.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor.flags=0, descriptor___0={338:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor.flags=0, descriptor___0={338:0}, last_index=0, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8881] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8882] COND FALSE !(tmp != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor___0={338:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8886] CALL sema_init(& add_remove_card_sem, 1) [L7359] struct lock_class_key __key ; [L7360] struct semaphore __constr_expr_0 ; [L7362] __constr_expr_0.lock.raw_lock.ldv_1452.head_tail = 0U [L7363] __constr_expr_0.lock.magic = 3735899821U [L7364] __constr_expr_0.lock.owner_cpu = 4294967295U [L7365] __constr_expr_0.lock.owner = (void *)-1 [L7366] __constr_expr_0.lock.dep_map.key = 0 [L7367] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L7368] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L7369] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L7370] __constr_expr_0.lock.dep_map.cpu = 0 [L7371] __constr_expr_0.lock.dep_map.ip = 0UL [L7372] __constr_expr_0.count = (unsigned int )val [L7373] __constr_expr_0.wait_list.next = & sem->wait_list [L7374] __constr_expr_0.wait_list.prev = & sem->wait_list [L7375] *sem = __constr_expr_0 [L7376] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L7377] return; [L7377] return; VAL [\old(val)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, sem={163:0}, sem={163:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0, val=1] [L8886] RET sema_init(& add_remove_card_sem, 1) [L8887] CALL, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L9221] ldv_func_ret_type ldv_func_res ; [L9222] int tmp ; [L9224] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9571] return __VERIFIER_nondet_int(); [L9224] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9224] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9225] ldv_func_res = tmp [L9226] ldv_state_variable_2 = 1 [L9227] usb_counter = 0 [L9228] CALL ldv_usb_driver_2() [L8930] void *tmp ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=1560, tmp___0=-5, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1560UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8932] tmp = ldv_zalloc(1560UL) [L8933] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9228] RET ldv_usb_driver_2() [L9229] return (ldv_func_res); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, ldv_func_arg1={165:0}, ldv_func_arg1={165:0}, ldv_func_arg2={4294967352:4294967322}, ldv_func_arg2={4294967352:4294967322}, ldv_func_arg3={156:0}, ldv_func_arg3={156:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8887] RET, EXPR ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8887] ret = ldv_usb_register_driver_17(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8888] COND FALSE !(ret != 0) [L8891] descriptor___0.modname = "mwifiex_usb" [L8892] descriptor___0.function = "mwifiex_usb_init_module" [L8893] descriptor___0.filename = "/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/514/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8894] descriptor___0.format = "info: Driver registered successfully!\n" [L8895] descriptor___0.lineno = 1054U [L8896] descriptor___0.flags = 0U [L8897] EXPR descriptor___0.flags VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor___0={338:0}, descriptor___0.flags=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7336] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, c=0, exp=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor___0={338:0}, descriptor___0.flags=0, last_index=0, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8897] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8898] COND FALSE !(tmp___0 != 0L) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, descriptor={340:0}, descriptor___0={338:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8903] return (ret); [L8903] return (ret); [L8903] return (ret); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=0, set_impl={167:0}, tmp=0, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9070] RET, EXPR mwifiex_usb_init_module() [L9070] ldv_retval_0 = mwifiex_usb_init_module() [L9071] COND TRUE ldv_retval_0 == 0 [L9072] ldv_state_variable_0 = 3 [L9073] ldv_state_variable_1 = 1 [L9074] CALL ldv_initialize_mwifiex_if_ops_1() [L8939] void *tmp ; [L8940] void *tmp___0 ; VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] CALL, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=6864, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=6864, tmp___0=-6, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] RET, EXPR ldv_zalloc(6864UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(6864UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8942] tmp = ldv_zalloc(6864UL) [L8943] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=232, tmp___0=-7, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(232UL)={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8944] tmp___0 = ldv_zalloc(232UL) [L8945] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9074] RET ldv_initialize_mwifiex_if_ops_1() [L9077] COND FALSE !(ldv_retval_0 != 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8983] COND TRUE ldv_state_variable_1 != 0 [L8984] tmp___4 = __VERIFIER_nondet_int() [L8986] case 0: [L8993] case 1: [L9000] case 2: [L9007] case 3: [L9014] case 4: [L9021] case 5: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9022] COND TRUE ldv_state_variable_1 == 1 [L9023] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8796] int ret ; [L8797] struct usb_card_rec *card ; [L8799] EXPR adapter->card [L8799] card = (struct usb_card_rec *)adapter->card [L8800] EXPR card->usb_boot_state VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, card->usb_boot_state=175, fw={0:0}, fw={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8800] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8812] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8393] struct usb_card_rec *card ; [L8394] int i ; [L8395] int tmp ; [L8396] int tmp___0 ; [L8398] EXPR adapter->card [L8398] card = (struct usb_card_rec *)adapter->card [L8399] card->rx_cmd.adapter = adapter [L8400] EXPR card->rx_cmd_ep [L8400] card->rx_cmd.ep = card->rx_cmd_ep [L8401] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7271] void *p ; [L7272] void *tmp ; [L7273] int tmp___0 ; [L7275] tmp___0 = __VERIFIER_nondet_int() [L7276] COND FALSE !(tmp___0 != 0) [L7279] tmp = malloc(size) [L7280] p = tmp VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7281] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=184, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7282] return (p); VAL [\old(size)=184, \result={169:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={169:0}, ref_cnt=0, set_impl={167:0}, size=184, tmp={169:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=208, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, arg0=0, arg1=208, last_index=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={169:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9548] return ldv_malloc(sizeof(struct urb)); [L8401] RET, EXPR usb_alloc_urb(0, 208U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_alloc_urb(0, 208U)={169:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8401] card->rx_cmd.urb = usb_alloc_urb(0, 208U) [L8402] EXPR card->rx_cmd.urb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, card->rx_cmd.urb={169:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8402] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8407] CALL, EXPR ldv_dev_alloc_skb_14(2048U) VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND FALSE !(tmp___0 != 0) [L7296] EXPR, FCALL calloc(1UL, size) [L7296] tmp = calloc(1UL, size) [L7297] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7267] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7298] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7299] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, calloc(1UL, size)={-18446744073709551615:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, p={-18446744073709551615:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND FALSE !(! skb) [L9387] CALL ldv_set_add(LDV_SKBS, skb) [L9255] int i ; [L9257] i = 0 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9258] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9259] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9269] COND TRUE last_index < 15 [L9270] set_impl[last_index] = e [L9271] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9387] RET ldv_set_add(LDV_SKBS, skb) [L9388] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=0, \old(length)=2048, \result={-18446744073709551615:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={-18446744073709551615:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] RET, EXPR ldv_dev_alloc_skb_14(2048U) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, last_index=1, ldv_dev_alloc_skb_14(2048U)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8407] card->rx_cmd.skb = ldv_dev_alloc_skb_14(2048U) [L8408] EXPR card->rx_cmd.skb VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, card->rx_cmd.skb={-18446744073709551615:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8408] COND FALSE !((unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0)) [L8413] CALL, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, ctx={167:-24}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7841] struct mwifiex_adapter *adapter ; [L7842] struct usb_card_rec *card ; [L7843] unsigned int tmp ; [L7844] int tmp___0 ; [L7846] EXPR ctx->adapter [L7846] adapter = ctx->adapter [L7847] EXPR adapter->card [L7847] card = (struct usb_card_rec *)adapter->card [L7848] EXPR card->rx_cmd_ep [L7848] EXPR ctx->ep VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, card->rx_cmd_ep=766, ctx={167:-24}, ctx={167:-24}, ctx->ep=511, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7848] COND TRUE (int )card->rx_cmd_ep != (int )ctx->ep [L7849] CALL, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9212] struct sk_buff *tmp ; VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9379] void *skb ; [L9380] void *tmp___7 ; VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7288] void *p ; [L7289] void *tmp ; [L7290] int tmp___0 ; [L7292] tmp___0 = __VERIFIER_nondet_int() [L7293] COND TRUE tmp___0 != 0 [L7294] return ((void *)0); VAL [\old(last_index)=1, \old(size)=248, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=248, tmp___0=-11, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9382] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L9383] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9384] COND TRUE ! skb [L9385] return ((void *)0); VAL [\old(last_index)=1, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, skb={0:0}, tmp___7={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=1, \old(length)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_skb_alloc()={0:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9214] tmp = ldv_skb_alloc() [L9215] return (tmp); VAL [\old(last_index)=1, \old(length)=2048, \result={0:0}, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp={0:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] RET, EXPR ldv_dev_alloc_skb_14((unsigned int )size) VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, ctx={167:-24}, ctx={167:-24}, last_index=1, ldv_dev_alloc_skb_14((unsigned int )size)={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7849] ctx->skb = ldv_dev_alloc_skb_14((unsigned int )size) [L7850] EXPR ctx->skb VAL [\old(last_index)=1, \old(size)=2048, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, ctx={167:-24}, ctx={167:-24}, ctx->skb={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L7850] COND TRUE (unsigned long )ctx->skb == (unsigned long )((struct sk_buff *)0) [L7851] adapter->dev [L7853] return (-12); VAL [\old(last_index)=1, \old(size)=2048, \result=-12, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, ctx={167:-24}, ctx={167:-24}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, size=2048, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] RET, EXPR mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048)=-12, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8413] tmp = mwifiex_usb_submit_rx_urb(& card->rx_cmd, 2048) [L8414] COND TRUE tmp != 0 [L8415] return (-1); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=-12, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8812] RET, EXPR mwifiex_usb_rx_init(adapter) [L8812] ret = mwifiex_usb_rx_init(adapter) [L8813] COND FALSE !(ret == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=-1, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8817] return (ret); VAL [\result=-1, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={163:0}, card={167:-49}, fw={0:0}, fw={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, ret=-1, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9023] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L9024] ldv_state_variable_1 = 1 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8980] tmp___3 = __VERIFIER_nondet_int() [L8982] case 0: [L9056] case 1: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9057] COND TRUE ldv_state_variable_0 != 0 [L9058] tmp___5 = __VERIFIER_nondet_int() [L9060] case 0: VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L9061] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L9062] CALL mwifiex_usb_cleanup_module() [L8908] int tmp ; [L8910] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9477] return __VERIFIER_nondet_int(); [L8910] RET, EXPR down_interruptible(& add_remove_card_sem) [L8910] tmp = down_interruptible(& add_remove_card_sem) [L8911] COND FALSE !(tmp == 0) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=1, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=0] [L8915] user_rmmod = 1U [L8916] CALL ldv_usb_deregister_18(& mwifiex_usb_driver) [L9235] FCALL usb_deregister(arg) [L9236] ldv_state_variable_2 = 0 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, arg={165:0}, arg={165:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L8916] RET ldv_usb_deregister_18(& mwifiex_usb_driver) [L9062] RET mwifiex_usb_cleanup_module() [L9063] ldv_state_variable_0 = 2 VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={337:0}, ldvarg4={0:0}, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9164] CALL ldv_check_final_state() [L9446] int tmp___7 ; [L9448] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L9337] return (last_index == 0); VAL [\result=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9448] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L9448] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L9449] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, tmp___7=0, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L9451] CALL ldv_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] [L7323] reach_error() VAL [__mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __mod_usb__mwifiex_usb_table_device_table=0, __this_module={4294967352:4294967322}, add_remove_card_sem={163:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={165:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={164:0}, ref_cnt=0, set_impl={167:0}, usb_counter=0, usb_ops={166:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, user_rmmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 679 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 156.2s, OverallIterations: 15, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 137.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 mSolverCounterUnknown, 10842 SdHoareTripleChecker+Valid, 132.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9974 mSDsluCounter, 70433 SdHoareTripleChecker+Invalid, 128.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57863 mSDsCounter, 6181 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26308 IncrementalHoareTripleChecker+Invalid, 32535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6181 mSolverCounterUnsat, 12570 mSDtfsCounter, 26308 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 992 GetRequests, 828 SyntacticMatches, 1 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6009occurred in iteration=8, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 6300 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 2396 NumberOfCodeBlocks, 2396 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2351 ConstructedInterpolants, 0 QuantifiedInterpolants, 4865 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4860 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 1432/1436 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 13:56:47,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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_f07236c7-01f8-4158-a880-2a7d607125db/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 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 --- 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 13:56:49,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:56:49,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:56:49,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:56:49,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:56:49,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:56:49,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:56:49,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:56:49,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:56:49,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:56:49,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:56:49,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:56:49,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:56:49,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:56:49,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:56:49,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:56:49,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:56:49,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:56:49,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:56:49,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:56:49,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:56:49,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:56:49,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:56:49,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:56:49,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:56:49,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:56:49,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:56:49,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:56:49,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:56:49,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:56:49,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:56:49,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:56:49,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:56:49,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:56:49,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:56:49,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:56:49,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:56:49,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:56:49,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:56:49,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:56:49,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:56:49,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 13:56:49,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:56:49,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:56:49,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:56:49,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:56:49,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:56:49,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:56:49,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:56:49,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:56:49,556 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:56:49,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:56:49,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:56:49,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:56:49,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:56:49,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:56:49,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 13:56:49,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 13:56:49,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 13:56:49,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:56:49,557 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:56:49,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:56:49,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:56:49,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:56:49,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:56:49,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:56:49,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:56:49,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:56:49,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:56:49,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 13:56:49,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 13:56:49,560 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:56:49,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:56:49,564 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:56:49,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:56:49,564 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 13:56:49,565 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:56:49,565 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_f07236c7-01f8-4158-a880-2a7d607125db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d55f274509719e259063891bf7f51d6ae3645569d8243a0d7434c1b24ad753 [2022-12-13 13:56:49,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:56:49,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:56:49,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:56:49,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:56:49,824 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:56:49,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:56:52,379 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:56:52,731 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:56:52,731 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:56:52,753 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/a47728563/f9ee0cc6f1bf40efb27d3ac91c4e21b8/FLAG9d18679b1 [2022-12-13 13:56:52,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/data/a47728563/f9ee0cc6f1bf40efb27d3ac91c4e21b8 [2022-12-13 13:56:52,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:56:52,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:56:52,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:56:52,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:56:52,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:56:52,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:56:52" (1/1) ... [2022-12-13 13:56:52,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1543ffeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:52, skipping insertion in model container [2022-12-13 13:56:52,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:56:52" (1/1) ... [2022-12-13 13:56:52,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:56:53,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:56:53,422 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:56:53,436 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:53,604 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_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-12-13 13:56:53,648 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:56:53,671 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:56:53,797 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 13:56:53,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,802 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 13:56:53,802 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,804 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,805 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 13:56:53,806 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,808 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,812 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,812 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 13:56:53,813 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,813 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:53,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,820 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,821 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 13:56:53,822 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:56:53,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,825 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,826 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:53,832 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,835 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,836 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 13:56:53,837 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,839 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:53,839 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,844 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,845 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:53,846 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,862 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:53,863 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:53,864 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:53,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,876 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,880 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,881 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 13:56:53,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,882 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 13:56:53,882 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:53,882 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:56:53,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,887 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:53,888 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 13:56:53,888 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,889 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,890 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,890 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:53,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,895 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:53,897 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 13:56:53,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,902 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate_all [2022-12-13 13:56:53,902 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 13:56:53,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,903 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 13:56:53,904 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:56:53,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:53,908 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:53,909 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,909 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:53,910 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,914 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:53,915 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,915 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,916 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:53,917 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,921 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:53,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,926 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:53,927 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,931 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,932 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,935 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:53,935 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,950 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,951 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,951 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:53,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,953 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:53,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:53,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:53,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:53,962 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:53,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,976 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:53,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:53,980 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 13:56:53,980 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 13:56:53,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 13:56:53,997 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 13:56:53,998 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:53,998 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:53,998 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:53,998 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:53,998 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,013 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,014 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,014 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:56:54,015 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:56:54,064 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,076 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,076 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,078 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,079 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:56:54,105 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 13:56:54,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:56:54,263 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:56:54,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,267 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_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-12-13 13:56:54,270 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:56:54,271 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:56:54,287 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 13:56:54,287 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,289 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 13:56:54,289 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,291 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 13:56:54,292 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,294 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,295 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,297 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,297 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 13:56:54,298 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,298 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:54,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,301 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,301 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 13:56:54,302 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:56:54,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,304 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,305 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,311 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 13:56:54,313 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,314 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:54,315 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,316 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,316 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,317 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,318 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,318 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,319 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,332 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 13:56:54,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,333 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 13:56:54,333 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,334 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:56:54,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,335 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,336 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 13:56:54,336 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,337 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,338 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,338 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,340 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,341 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 13:56:54,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,343 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate_all [2022-12-13 13:56:54,343 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 13:56:54,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,345 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 13:56:54,345 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:56:54,345 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,347 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,347 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,348 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,348 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,349 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,351 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,352 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,353 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:54,354 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,355 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:54,355 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,356 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,360 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:54,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,370 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,374 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,375 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,376 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,379 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:54,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,384 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 13:56:54,384 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 13:56:54,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 13:56:54,390 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 13:56:54,391 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,391 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,392 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,392 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,392 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,392 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,393 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,393 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:56:54,393 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:56:54,399 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,401 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,402 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,403 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,404 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:56:54,426 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:56:54,569 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 13:56:54,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,579 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_f07236c7-01f8-4158-a880-2a7d607125db/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[206925,206938] [2022-12-13 13:56:54,583 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 13:56:54,584 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 13:56:54,596 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 13:56:54,596 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,598 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 13:56:54,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,599 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 13:56:54,600 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,601 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,602 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,603 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,604 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 13:56:54,604 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,604 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:54,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,606 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,607 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 13:56:54,607 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 13:56:54,608 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,609 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,610 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,614 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,615 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 13:56:54,616 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,617 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:54,617 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,618 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,619 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,619 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,620 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,620 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,621 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 13:56:54,623 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,626 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,629 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,632 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 13:56:54,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,632 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 13:56:54,632 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,632 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 13:56:54,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,633 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,634 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 13:56:54,634 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,634 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,635 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,635 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 13:56:54,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,636 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,637 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 13:56:54,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,637 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate_all [2022-12-13 13:56:54,638 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 13:56:54,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,638 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 13:56:54,639 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 13:56:54,639 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,639 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,640 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,640 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,640 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,641 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,642 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 13:56:54,643 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,644 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:54,644 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,644 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 13:56:54,645 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,645 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,646 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,648 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 13:56:54,648 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,650 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,651 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,652 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,652 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 13:56:54,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,653 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 13:56:54,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 13:56:54,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 13:56:54,655 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 13:56:54,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 13:56:54,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 13:56:54,657 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 13:56:54,657 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 13:56:54,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 13:56:54,660 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 13:56:54,661 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,661 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,661 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,661 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,661 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,662 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 13:56:54,662 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,662 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 13:56:54,662 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 13:56:54,665 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 13:56:54,668 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,668 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,669 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,669 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 13:56:54,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:56:54,757 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:56:54,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54 WrapperNode [2022-12-13 13:56:54,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:56:54,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:56:54,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:56:54,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:56:54,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,888 INFO L138 Inliner]: procedures = 172, calls = 1181, calls flagged for inlining = 63, calls inlined = 51, statements flattened = 2247 [2022-12-13 13:56:54,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:56:54,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:56:54,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:56:54,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:56:54,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:54,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:55,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:55,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:56:55,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:56:55,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:56:55,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:56:55,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (1/1) ... [2022-12-13 13:56:55,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:56:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:56:55,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:56:55,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:56:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 13:56:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 13:56:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_14 [2022-12-13 13:56:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_14 [2022-12-13 13:56:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 13:56:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-12-13 13:56:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-12-13 13:56:55,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 13:56:55,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 13:56:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 13:56:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 13:56:55,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 13:56:55,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 13:56:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 13:56:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-12-13 13:56:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 13:56:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 13:56:55,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 13:56:55,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 13:56:55,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 13:56:55,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 13:56:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 13:56:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 13:56:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 13:56:55,085 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 13:56:55,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 13:56:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 13:56:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 13:56:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 13:56:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:56:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-12-13 13:56:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 13:56:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-12-13 13:56:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 13:56:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 13:56:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 13:56:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 13:56:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 13:56:55,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:56:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-13 13:56:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-13 13:56:55,499 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:56:55,501 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:56:55,647 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 13:57:09,631 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:57:09,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:57:09,644 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:57:09,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:57:09 BoogieIcfgContainer [2022-12-13 13:57:09,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:57:09,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:57:09,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:57:09,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:57:09,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:56:52" (1/3) ... [2022-12-13 13:57:09,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a07836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:57:09, skipping insertion in model container [2022-12-13 13:57:09,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:56:54" (2/3) ... [2022-12-13 13:57:09,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a07836b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:57:09, skipping insertion in model container [2022-12-13 13:57:09,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:57:09" (3/3) ... [2022-12-13 13:57:09,654 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 13:57:09,668 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:57:09,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 13:57:09,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:57:09,717 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;@6d2e02d0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:57:09,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 13:57:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-13 13:57:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 13:57:09,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:09,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:09,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:09,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1998328016, now seen corresponding path program 1 times [2022-12-13 13:57:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:09,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199708412] [2022-12-13 13:57:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:09,754 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 13:57:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:09,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:09,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:10,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 13:57:10,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 13:57:10,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:10,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:10,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199708412] [2022-12-13 13:57:10,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199708412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:10,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:10,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:57:10,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772829144] [2022-12-13 13:57:10,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:10,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 13:57:10,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:10,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 13:57:10,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 13:57:10,430 INFO L87 Difference]: Start difference. First operand has 678 states, 502 states have (on average 1.3764940239043826) internal successors, (691), 515 states have internal predecessors, (691), 137 states have call successors, (137), 38 states have call predecessors, (137), 37 states have return successors, (133), 130 states have call predecessors, (133), 133 states have call successors, (133) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:57:10,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:10,638 INFO L93 Difference]: Finished difference Result 1354 states and 1960 transitions. [2022-12-13 13:57:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 13:57:10,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2022-12-13 13:57:10,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:10,656 INFO L225 Difference]: With dead ends: 1354 [2022-12-13 13:57:10,656 INFO L226 Difference]: Without dead ends: 668 [2022-12-13 13:57:10,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 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 13:57:10,663 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 2 mSDsluCounter, 1901 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:10,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2853 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:57:10,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-12-13 13:57:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2022-12-13 13:57:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 498 states have (on average 1.359437751004016) internal successors, (677), 505 states have internal predecessors, (677), 133 states have call successors, (133), 37 states have call predecessors, (133), 36 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-12-13 13:57:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 942 transitions. [2022-12-13 13:57:10,725 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 942 transitions. Word has length 45 [2022-12-13 13:57:10,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:10,727 INFO L495 AbstractCegarLoop]: Abstraction has 668 states and 942 transitions. [2022-12-13 13:57:10,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:57:10,727 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 942 transitions. [2022-12-13 13:57:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 13:57:10,729 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:10,729 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:10,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:10,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:10,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1712559836, now seen corresponding path program 1 times [2022-12-13 13:57:10,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:10,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072279500] [2022-12-13 13:57:10,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:10,939 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 13:57:10,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:10,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:10,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:11,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:57:11,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 13:57:11,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 13:57:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 13:57:11,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:11,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072279500] [2022-12-13 13:57:11,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072279500] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 13:57:11,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 13:57:11,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 13:57:11,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613452300] [2022-12-13 13:57:11,914 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 13:57:11,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 13:57:11,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:11,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 13:57:11,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 13:57:11,916 INFO L87 Difference]: Start difference. First operand 668 states and 942 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 13:57:12,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:12,452 INFO L93 Difference]: Finished difference Result 1336 states and 1886 transitions. [2022-12-13 13:57:12,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 13:57:12,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2022-12-13 13:57:12,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:12,461 INFO L225 Difference]: With dead ends: 1336 [2022-12-13 13:57:12,461 INFO L226 Difference]: Without dead ends: 677 [2022-12-13 13:57:12,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:57:12,465 INFO L413 NwaCegarLoop]: 939 mSDtfsCounter, 6 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3751 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:12,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3751 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:12,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2022-12-13 13:57:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 677. [2022-12-13 13:57:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 506 states have (on average 1.359683794466403) internal successors, (688), 513 states have internal predecessors, (688), 133 states have call successors, (133), 38 states have call predecessors, (133), 37 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2022-12-13 13:57:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 953 transitions. [2022-12-13 13:57:12,515 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 953 transitions. Word has length 46 [2022-12-13 13:57:12,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:12,516 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 953 transitions. [2022-12-13 13:57:12,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 13:57:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 953 transitions. [2022-12-13 13:57:12,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-13 13:57:12,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:12,520 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:12,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:12,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:12,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:12,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:12,721 INFO L85 PathProgramCache]: Analyzing trace with hash 728136240, now seen corresponding path program 2 times [2022-12-13 13:57:12,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:12,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050018979] [2022-12-13 13:57:12,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 13:57:12,723 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 13:57:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:12,724 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:12,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:13,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 13:57:13,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 13:57:13,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:57:13,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 13:57:13,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:13,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:13,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050018979] [2022-12-13 13:57:13,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050018979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:13,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:13,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:13,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531331655] [2022-12-13 13:57:13,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:13,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:13,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:13,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:13,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:13,239 INFO L87 Difference]: Start difference. First operand 677 states and 953 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:57:14,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:14,024 INFO L93 Difference]: Finished difference Result 1955 states and 2762 transitions. [2022-12-13 13:57:14,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:14,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-12-13 13:57:14,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:14,037 INFO L225 Difference]: With dead ends: 1955 [2022-12-13 13:57:14,037 INFO L226 Difference]: Without dead ends: 1298 [2022-12-13 13:57:14,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 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 13:57:14,042 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 895 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 1981 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:14,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 1981 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 13:57:14,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2022-12-13 13:57:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1298. [2022-12-13 13:57:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3646694214876034) internal successors, (1321), 982 states have internal predecessors, (1321), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-12-13 13:57:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1832 transitions. [2022-12-13 13:57:14,131 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1832 transitions. Word has length 49 [2022-12-13 13:57:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:14,132 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1832 transitions. [2022-12-13 13:57:14,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 13:57:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1832 transitions. [2022-12-13 13:57:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 13:57:14,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:14,137 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:14,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:14,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:14,337 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:14,338 INFO L85 PathProgramCache]: Analyzing trace with hash -602378178, now seen corresponding path program 1 times [2022-12-13 13:57:14,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:14,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722746528] [2022-12-13 13:57:14,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:14,339 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 13:57:14,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:14,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:14,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:15,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 13:57:15,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 13:57:15,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:15,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:15,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722746528] [2022-12-13 13:57:15,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722746528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:15,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:15,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:57:15,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634912421] [2022-12-13 13:57:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:15,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:57:15,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:15,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:57:15,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:57:15,287 INFO L87 Difference]: Start difference. First operand 1298 states and 1832 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 13:57:17,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:17,878 INFO L93 Difference]: Finished difference Result 2925 states and 4194 transitions. [2022-12-13 13:57:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:57:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2022-12-13 13:57:17,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:17,889 INFO L225 Difference]: With dead ends: 2925 [2022-12-13 13:57:17,890 INFO L226 Difference]: Without dead ends: 1647 [2022-12-13 13:57:17,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:17,895 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 431 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:17,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 6729 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 13:57:17,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states. [2022-12-13 13:57:17,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 1298. [2022-12-13 13:57:17,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 968 states have (on average 1.3636363636363635) internal successors, (1320), 982 states have internal predecessors, (1320), 256 states have call successors, (256), 74 states have call predecessors, (256), 73 states have return successors, (255), 249 states have call predecessors, (255), 255 states have call successors, (255) [2022-12-13 13:57:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1831 transitions. [2022-12-13 13:57:17,982 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1831 transitions. Word has length 67 [2022-12-13 13:57:17,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:17,983 INFO L495 AbstractCegarLoop]: Abstraction has 1298 states and 1831 transitions. [2022-12-13 13:57:17,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 13:57:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1831 transitions. [2022-12-13 13:57:17,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 13:57:17,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:17,985 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:18,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:18,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:18,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:18,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:18,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1887150784, now seen corresponding path program 1 times [2022-12-13 13:57:18,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:18,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290099365] [2022-12-13 13:57:18,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:18,188 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 13:57:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:18,189 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:18,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:19,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:57:19,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 13:57:19,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:19,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:19,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290099365] [2022-12-13 13:57:19,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290099365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:19,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:19,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:57:19,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321662901] [2022-12-13 13:57:19,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:19,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:57:19,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:19,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:57:19,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:57:19,530 INFO L87 Difference]: Start difference. First operand 1298 states and 1831 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:57:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:19,876 INFO L93 Difference]: Finished difference Result 3851 states and 5499 transitions. [2022-12-13 13:57:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:57:19,876 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2022-12-13 13:57:19,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:19,890 INFO L225 Difference]: With dead ends: 3851 [2022-12-13 13:57:19,890 INFO L226 Difference]: Without dead ends: 2563 [2022-12-13 13:57:19,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:19,896 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 895 mSDsluCounter, 3167 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 4284 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:19,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 4284 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-12-13 13:57:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2563. [2022-12-13 13:57:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 1910 states have (on average 1.3638743455497382) internal successors, (2605), 1938 states have internal predecessors, (2605), 507 states have call successors, (507), 146 states have call predecessors, (507), 145 states have return successors, (536), 494 states have call predecessors, (536), 506 states have call successors, (536) [2022-12-13 13:57:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3648 transitions. [2022-12-13 13:57:20,039 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3648 transitions. Word has length 67 [2022-12-13 13:57:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:20,039 INFO L495 AbstractCegarLoop]: Abstraction has 2563 states and 3648 transitions. [2022-12-13 13:57:20,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 13:57:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3648 transitions. [2022-12-13 13:57:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-12-13 13:57:20,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:20,046 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2022-12-13 13:57:20,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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)] Ended with exit code 0 [2022-12-13 13:57:20,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:20,247 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:20,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash 510620113, now seen corresponding path program 1 times [2022-12-13 13:57:20,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:20,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088024765] [2022-12-13 13:57:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:20,249 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 13:57:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:20,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:20,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:21,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1493 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:57:21,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 13:57:21,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:21,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:21,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088024765] [2022-12-13 13:57:21,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088024765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:21,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:21,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:21,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714378529] [2022-12-13 13:57:21,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:21,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:21,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:21,149 INFO L87 Difference]: Start difference. First operand 2563 states and 3648 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:57:22,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 13:57:22,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:22,766 INFO L93 Difference]: Finished difference Result 6763 states and 9544 transitions. [2022-12-13 13:57:22,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:22,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2022-12-13 13:57:22,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:22,781 INFO L225 Difference]: With dead ends: 6763 [2022-12-13 13:57:22,781 INFO L226 Difference]: Without dead ends: 4218 [2022-12-13 13:57:22,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 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 13:57:22,786 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 603 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:22,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1989 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 13:57:22,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-12-13 13:57:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 4205. [2022-12-13 13:57:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 3114 states have (on average 1.3477842003853564) internal successors, (4197), 3162 states have internal predecessors, (4197), 829 states have call successors, (829), 262 states have call predecessors, (829), 261 states have return successors, (876), 808 states have call predecessors, (876), 828 states have call successors, (876) [2022-12-13 13:57:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5902 transitions. [2022-12-13 13:57:22,934 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5902 transitions. Word has length 117 [2022-12-13 13:57:22,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:22,934 INFO L495 AbstractCegarLoop]: Abstraction has 4205 states and 5902 transitions. [2022-12-13 13:57:22,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 13:57:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5902 transitions. [2022-12-13 13:57:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 13:57:22,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:22,939 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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 13:57:22,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:23,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:23,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:23,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:23,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1507578268, now seen corresponding path program 1 times [2022-12-13 13:57:23,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:23,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307747954] [2022-12-13 13:57:23,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:23,142 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 13:57:23,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:23,143 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:23,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 [2022-12-13 13:57:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:23,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:57:24,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 13:57:24,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:24,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:24,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307747954] [2022-12-13 13:57:24,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307747954] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:24,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:24,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:24,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056116658] [2022-12-13 13:57:24,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:24,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:24,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:24,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:24,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:24,056 INFO L87 Difference]: Start difference. First operand 4205 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:57:24,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:24,375 INFO L93 Difference]: Finished difference Result 9818 states and 13766 transitions. [2022-12-13 13:57:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:24,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-12-13 13:57:24,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:24,401 INFO L225 Difference]: With dead ends: 9818 [2022-12-13 13:57:24,401 INFO L226 Difference]: Without dead ends: 5633 [2022-12-13 13:57:24,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 13:57:24,408 INFO L413 NwaCegarLoop]: 1279 mSDtfsCounter, 484 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:24,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 2179 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:24,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2022-12-13 13:57:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5598. [2022-12-13 13:57:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5598 states, 4174 states have (on average 1.35361763296598) internal successors, (5650), 4242 states have internal predecessors, (5650), 1066 states have call successors, (1066), 358 states have call predecessors, (1066), 357 states have return successors, (1129), 1029 states have call predecessors, (1129), 1065 states have call successors, (1129) [2022-12-13 13:57:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 7845 transitions. [2022-12-13 13:57:24,589 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 7845 transitions. Word has length 134 [2022-12-13 13:57:24,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:24,589 INFO L495 AbstractCegarLoop]: Abstraction has 5598 states and 7845 transitions. [2022-12-13 13:57:24,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:57:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 7845 transitions. [2022-12-13 13:57:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 13:57:24,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:24,597 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 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] [2022-12-13 13:57:24,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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)] Forceful destruction successful, exit code 0 [2022-12-13 13:57:24,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:24,798 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:24,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:24,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1851568064, now seen corresponding path program 1 times [2022-12-13 13:57:24,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:24,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640203644] [2022-12-13 13:57:24,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:24,799 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 13:57:24,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:24,800 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:24,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (9)] Waiting until timeout for monitored process [2022-12-13 13:57:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:25,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1562 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 13:57:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 13:57:25,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:25,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:25,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640203644] [2022-12-13 13:57:25,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640203644] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:25,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:25,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:57:25,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028114670] [2022-12-13 13:57:25,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:25,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:57:25,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:57:25,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:57:25,926 INFO L87 Difference]: Start difference. First operand 5598 states and 7845 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 13:57:26,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:26,889 INFO L93 Difference]: Finished difference Result 8540 states and 11939 transitions. [2022-12-13 13:57:26,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:57:26,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2022-12-13 13:57:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:26,898 INFO L225 Difference]: With dead ends: 8540 [2022-12-13 13:57:26,898 INFO L226 Difference]: Without dead ends: 2963 [2022-12-13 13:57:26,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:26,907 INFO L413 NwaCegarLoop]: 941 mSDtfsCounter, 24 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:26,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3754 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 13:57:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2963 states. [2022-12-13 13:57:26,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2963 to 2875. [2022-12-13 13:57:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.351187703772706) internal successors, (2901), 2181 states have internal predecessors, (2901), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-12-13 13:57:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4012 transitions. [2022-12-13 13:57:27,000 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4012 transitions. Word has length 142 [2022-12-13 13:57:27,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:27,000 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4012 transitions. [2022-12-13 13:57:27,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 13:57:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4012 transitions. [2022-12-13 13:57:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 13:57:27,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:27,006 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 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] [2022-12-13 13:57:27,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (9)] Ended with exit code 0 [2022-12-13 13:57:27,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:27,206 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:27,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:27,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1046565723, now seen corresponding path program 1 times [2022-12-13 13:57:27,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:27,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008879302] [2022-12-13 13:57:27,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:27,208 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 13:57:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:27,209 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:27,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (10)] Waiting until timeout for monitored process [2022-12-13 13:57:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:28,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 13:57:28,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-13 13:57:28,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:28,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:28,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008879302] [2022-12-13 13:57:28,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008879302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:28,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:28,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 13:57:28,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696353907] [2022-12-13 13:57:28,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:28,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 13:57:28,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:28,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:57:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:57:28,524 INFO L87 Difference]: Start difference. First operand 2875 states and 4012 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 13:57:30,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:30,925 INFO L93 Difference]: Finished difference Result 5709 states and 7974 transitions. [2022-12-13 13:57:30,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:57:30,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2022-12-13 13:57:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:30,940 INFO L225 Difference]: With dead ends: 5709 [2022-12-13 13:57:30,940 INFO L226 Difference]: Without dead ends: 2880 [2022-12-13 13:57:30,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:30,945 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 419 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:30,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 4214 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 13:57:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-12-13 13:57:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2875. [2022-12-13 13:57:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2147 states have (on average 1.3502561714019563) internal successors, (2899), 2181 states have internal predecessors, (2899), 540 states have call successors, (540), 188 states have call predecessors, (540), 187 states have return successors, (571), 521 states have call predecessors, (571), 539 states have call successors, (571) [2022-12-13 13:57:31,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 4010 transitions. [2022-12-13 13:57:31,044 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 4010 transitions. Word has length 148 [2022-12-13 13:57:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:31,044 INFO L495 AbstractCegarLoop]: Abstraction has 2875 states and 4010 transitions. [2022-12-13 13:57:31,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-13 13:57:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 4010 transitions. [2022-12-13 13:57:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 13:57:31,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:31,049 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 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] [2022-12-13 13:57:31,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (10)] Ended with exit code 0 [2022-12-13 13:57:31,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:31,250 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:31,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:31,250 INFO L85 PathProgramCache]: Analyzing trace with hash 829917095, now seen corresponding path program 1 times [2022-12-13 13:57:31,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:31,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571130142] [2022-12-13 13:57:31,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:31,251 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 13:57:31,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:31,252 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:31,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (11)] Waiting until timeout for monitored process [2022-12-13 13:57:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:32,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-13 13:57:32,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 13:57:32,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:32,843 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:32,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571130142] [2022-12-13 13:57:32,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571130142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:32,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:32,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 13:57:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200058071] [2022-12-13 13:57:32,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:32,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 13:57:32,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 13:57:32,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:32,846 INFO L87 Difference]: Start difference. First operand 2875 states and 4010 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:57:33,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:33,110 INFO L93 Difference]: Finished difference Result 5736 states and 8025 transitions. [2022-12-13 13:57:33,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 13:57:33,111 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 148 [2022-12-13 13:57:33,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:33,122 INFO L225 Difference]: With dead ends: 5736 [2022-12-13 13:57:33,122 INFO L226 Difference]: Without dead ends: 2907 [2022-12-13 13:57:33,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 13:57:33,131 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 0 mSDsluCounter, 4677 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5615 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:33,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5615 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:33,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-12-13 13:57:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2903. [2022-12-13 13:57:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2167 states have (on average 1.3470235348407937) internal successors, (2919), 2201 states have internal predecessors, (2919), 540 states have call successors, (540), 188 states have call predecessors, (540), 195 states have return successors, (601), 529 states have call predecessors, (601), 539 states have call successors, (601) [2022-12-13 13:57:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4060 transitions. [2022-12-13 13:57:33,250 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4060 transitions. Word has length 148 [2022-12-13 13:57:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:33,250 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4060 transitions. [2022-12-13 13:57:33,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 13:57:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4060 transitions. [2022-12-13 13:57:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 13:57:33,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:33,255 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 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 13:57:33,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (11)] Ended with exit code 0 [2022-12-13 13:57:33,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:33,456 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:33,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:33,457 INFO L85 PathProgramCache]: Analyzing trace with hash 198615179, now seen corresponding path program 1 times [2022-12-13 13:57:33,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:33,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541365817] [2022-12-13 13:57:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:33,458 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 13:57:33,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:33,459 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:33,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (12)] Waiting until timeout for monitored process [2022-12-13 13:57:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 13:57:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-13 13:57:34,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:34,926 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:34,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541365817] [2022-12-13 13:57:34,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541365817] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:34,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:34,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:57:34,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748007769] [2022-12-13 13:57:34,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:34,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 13:57:34,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:34,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:57:34,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:57:34,928 INFO L87 Difference]: Start difference. First operand 2903 states and 4060 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 13:57:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:35,099 INFO L93 Difference]: Finished difference Result 5802 states and 8215 transitions. [2022-12-13 13:57:35,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:57:35,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 154 [2022-12-13 13:57:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:35,111 INFO L225 Difference]: With dead ends: 5802 [2022-12-13 13:57:35,111 INFO L226 Difference]: Without dead ends: 2945 [2022-12-13 13:57:35,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:57:35,117 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 2 mSDsluCounter, 2799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:35,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3736 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 13:57:35,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-12-13 13:57:35,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 2933. [2022-12-13 13:57:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2933 states, 2188 states have (on average 1.3436928702010968) internal successors, (2940), 2225 states have internal predecessors, (2940), 540 states have call successors, (540), 188 states have call predecessors, (540), 204 states have return successors, (614), 535 states have call predecessors, (614), 539 states have call successors, (614) [2022-12-13 13:57:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2933 states and 4094 transitions. [2022-12-13 13:57:35,200 INFO L78 Accepts]: Start accepts. Automaton has 2933 states and 4094 transitions. Word has length 154 [2022-12-13 13:57:35,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:35,200 INFO L495 AbstractCegarLoop]: Abstraction has 2933 states and 4094 transitions. [2022-12-13 13:57:35,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 13:57:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2933 states and 4094 transitions. [2022-12-13 13:57:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 13:57:35,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:35,205 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 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] [2022-12-13 13:57:35,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (12)] Ended with exit code 0 [2022-12-13 13:57:35,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:35,405 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:35,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:35,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1478023259, now seen corresponding path program 1 times [2022-12-13 13:57:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:35,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823398703] [2022-12-13 13:57:35,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:35,407 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 13:57:35,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:35,408 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:35,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (13)] Waiting until timeout for monitored process [2022-12-13 13:57:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:36,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-13 13:57:36,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-13 13:57:38,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:38,806 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:38,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823398703] [2022-12-13 13:57:38,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823398703] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:38,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:38,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-12-13 13:57:38,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992489377] [2022-12-13 13:57:38,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:38,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 13:57:38,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:38,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 13:57:38,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2022-12-13 13:57:38,808 INFO L87 Difference]: Start difference. First operand 2933 states and 4094 transitions. Second operand has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 13:57:41,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:41,155 INFO L93 Difference]: Finished difference Result 5862 states and 8263 transitions. [2022-12-13 13:57:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 13:57:41,156 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) Word has length 161 [2022-12-13 13:57:41,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:41,163 INFO L225 Difference]: With dead ends: 5862 [2022-12-13 13:57:41,163 INFO L226 Difference]: Without dead ends: 2975 [2022-12-13 13:57:41,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-12-13 13:57:41,169 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 16 mSDsluCounter, 16919 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 17865 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:41,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 17865 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 13:57:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2022-12-13 13:57:41,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2960. [2022-12-13 13:57:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2960 states, 2208 states have (on average 1.3378623188405796) internal successors, (2954), 2243 states have internal predecessors, (2954), 540 states have call successors, (540), 188 states have call predecessors, (540), 211 states have return successors, (628), 544 states have call predecessors, (628), 539 states have call successors, (628) [2022-12-13 13:57:41,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 4122 transitions. [2022-12-13 13:57:41,253 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 4122 transitions. Word has length 161 [2022-12-13 13:57:41,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:41,253 INFO L495 AbstractCegarLoop]: Abstraction has 2960 states and 4122 transitions. [2022-12-13 13:57:41,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.578947368421052) internal successors, (106), 14 states have internal predecessors, (106), 4 states have call successors, (17), 2 states have call predecessors, (17), 7 states have return successors, (16), 8 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 13:57:41,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 4122 transitions. [2022-12-13 13:57:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 13:57:41,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:41,257 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:57:41,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (13)] Ended with exit code 0 [2022-12-13 13:57:41,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:41,458 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:41,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1891071574, now seen corresponding path program 1 times [2022-12-13 13:57:41,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:41,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144053270] [2022-12-13 13:57:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:41,459 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 13:57:41,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:41,460 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:41,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (14)] Waiting until timeout for monitored process [2022-12-13 13:57:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:42,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 13:57:42,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-13 13:57:43,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:43,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:43,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144053270] [2022-12-13 13:57:43,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144053270] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:43,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:43,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 13:57:43,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58718431] [2022-12-13 13:57:43,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:43,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 13:57:43,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:43,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 13:57:43,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 13:57:43,732 INFO L87 Difference]: Start difference. First operand 2960 states and 4122 transitions. Second operand has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 13:57:44,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:44,618 INFO L93 Difference]: Finished difference Result 5897 states and 8287 transitions. [2022-12-13 13:57:44,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 13:57:44,619 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) Word has length 169 [2022-12-13 13:57:44,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:44,626 INFO L225 Difference]: With dead ends: 5897 [2022-12-13 13:57:44,626 INFO L226 Difference]: Without dead ends: 2983 [2022-12-13 13:57:44,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-12-13 13:57:44,632 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 12 mSDsluCounter, 9400 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 10345 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:44,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 10345 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 13:57:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2022-12-13 13:57:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2977. [2022-12-13 13:57:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2977 states, 2223 states have (on average 1.335582546108862) internal successors, (2969), 2253 states have internal predecessors, (2969), 540 states have call successors, (540), 188 states have call predecessors, (540), 213 states have return successors, (631), 551 states have call predecessors, (631), 539 states have call successors, (631) [2022-12-13 13:57:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2977 states and 4140 transitions. [2022-12-13 13:57:44,719 INFO L78 Accepts]: Start accepts. Automaton has 2977 states and 4140 transitions. Word has length 169 [2022-12-13 13:57:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:44,720 INFO L495 AbstractCegarLoop]: Abstraction has 2977 states and 4140 transitions. [2022-12-13 13:57:44,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.0) internal successors, (108), 9 states have internal predecessors, (108), 3 states have call successors, (20), 2 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 13:57:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 4140 transitions. [2022-12-13 13:57:44,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 13:57:44,724 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:44,724 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 4, 3, 3, 3, 3, 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] [2022-12-13 13:57:44,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (14)] Forceful destruction successful, exit code 0 [2022-12-13 13:57:44,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:44,924 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:44,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:44,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1188259002, now seen corresponding path program 1 times [2022-12-13 13:57:44,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:44,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209898665] [2022-12-13 13:57:44,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:44,926 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 13:57:44,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:44,927 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:44,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (15)] Waiting until timeout for monitored process [2022-12-13 13:57:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:57:46,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 13:57:46,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 13:57:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 13:57:46,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 13:57:46,511 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 13:57:46,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209898665] [2022-12-13 13:57:46,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209898665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:57:46,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:57:46,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:57:46,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239031696] [2022-12-13 13:57:46,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:57:46,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:57:46,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 13:57:46,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:57:46,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:57:46,513 INFO L87 Difference]: Start difference. First operand 2977 states and 4140 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 13:57:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:57:46,826 INFO L93 Difference]: Finished difference Result 6765 states and 9405 transitions. [2022-12-13 13:57:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:57:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-12-13 13:57:46,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 13:57:46,837 INFO L225 Difference]: With dead ends: 6765 [2022-12-13 13:57:46,837 INFO L226 Difference]: Without dead ends: 3834 [2022-12-13 13:57:46,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 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 13:57:46,841 INFO L413 NwaCegarLoop]: 1126 mSDtfsCounter, 650 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 13:57:46,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 1851 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 13:57:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2022-12-13 13:57:46,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3803. [2022-12-13 13:57:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3803 states, 2863 states have (on average 1.3370590289905693) internal successors, (3828), 2899 states have internal predecessors, (3828), 656 states have call successors, (656), 248 states have call predecessors, (656), 283 states have return successors, (777), 673 states have call predecessors, (777), 655 states have call successors, (777) [2022-12-13 13:57:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 3803 states and 5261 transitions. [2022-12-13 13:57:46,951 INFO L78 Accepts]: Start accepts. Automaton has 3803 states and 5261 transitions. Word has length 172 [2022-12-13 13:57:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 13:57:46,952 INFO L495 AbstractCegarLoop]: Abstraction has 3803 states and 5261 transitions. [2022-12-13 13:57:46,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-13 13:57:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3803 states and 5261 transitions. [2022-12-13 13:57:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-13 13:57:46,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 13:57:46,956 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 3, 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] [2022-12-13 13:57:46,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (15)] Ended with exit code 0 [2022-12-13 13:57:47,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:47,157 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 13:57:47,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:57:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1401601602, now seen corresponding path program 1 times [2022-12-13 13:57:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 13:57:47,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218167151] [2022-12-13 13:57:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:57:47,158 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 13:57:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 13:57:47,159 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 13:57:47,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f07236c7-01f8-4158-a880-2a7d607125db/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 (16)] Waiting until timeout for monitored process [2022-12-13 13:58:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:58:27,688 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.