./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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R --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 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- 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-38b53e6 [2022-11-25 18:31:34,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:31:34,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:31:34,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:31:34,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:31:34,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:31:34,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:31:34,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:31:34,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:31:34,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:31:34,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:31:34,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:31:34,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:31:34,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:31:34,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:31:34,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:31:34,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:31:34,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:31:34,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:31:34,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:31:34,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:31:34,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:31:34,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:31:34,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:31:34,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:31:34,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:31:34,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:31:34,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:31:34,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:31:34,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:31:34,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:31:34,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:31:34,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:31:34,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:31:34,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:31:34,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:31:34,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:31:34,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:31:34,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:31:34,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:31:34,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:31:34,382 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:31:34,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:31:34,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:31:34,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:31:34,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:31:34,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:31:34,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:31:34,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:31:34,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:31:34,430 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:31:34,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:31:34,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:31:34,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:31:34,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:31:34,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:31:34,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:31:34,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:31:34,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:31:34,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:31:34,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:31:34,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:31:34,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:31:34,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:31:34,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:31:34,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:31:34,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:31:34,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:31:34,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:31:34,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:31:34,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:31:34,438 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:31:34,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:31:34,439 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-25 18:31:34,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:31:34,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:31:34,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:31:34,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:31:34,764 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:31:34,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:31:37,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:31:38,483 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:31:38,484 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:31:38,533 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/2d85a7d1f/d067cb0b7525467786de2e2eeec6fad2/FLAG65b663e31 [2022-11-25 18:31:38,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/2d85a7d1f/d067cb0b7525467786de2e2eeec6fad2 [2022-11-25 18:31:38,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:31:38,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:31:38,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:31:38,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:31:38,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:31:38,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:38" (1/1) ... [2022-11-25 18:31:38,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b38ebe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:38, skipping insertion in model container [2022-11-25 18:31:38,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:31:38" (1/1) ... [2022-11-25 18:31:38,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:31:38,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:31:39,517 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:31:39,590 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:31:39,628 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:31:39,654 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:39,732 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:39,822 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-25 18:31:39,902 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:31:39,903 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:39,998 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:31:39,999 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 18:31:40,008 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:31:40,015 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,033 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,040 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,047 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,076 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,081 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,084 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,095 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,110 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:31:40,116 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,117 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:31:40,118 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:31:40,120 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,121 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:31:40,123 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:40,126 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:40,132 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 18:31:40,134 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:31:40,144 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,148 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,155 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:31:40,156 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:31:40,165 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,168 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,176 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:31:40,183 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,183 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-11-25 18:31:40,184 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,186 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-11-25 18:31:40,201 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,208 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,208 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,215 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:40,218 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:31:40,219 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:31:40,231 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-11-25 18:31:40,232 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:31:40,233 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-11-25 18:31:40,245 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,246 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,248 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:31:40,252 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,254 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:31:40,254 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:31:40,255 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,255 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:31:40,257 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:40,300 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 18:31:40,303 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:31:40,307 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:40,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,308 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,320 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:31:40,322 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:40,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,324 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,340 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:40,355 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:40,361 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:40,367 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:40,404 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 18:31:40,405 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,406 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,407 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,412 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,413 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,414 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-11-25 18:31:40,415 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:40,417 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-11-25 18:31:40,418 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:40,419 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-11-25 18:31:40,419 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:31:40,424 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:31:40,451 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:40,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:31:40,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:40,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:40,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 18:31:40,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:31:40,481 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:40,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:40,507 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-11-25 18:31:40,512 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,513 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,514 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,516 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,517 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:40,518 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:40,520 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:31:40,521 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:31:40,587 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:40,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:40,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:40,606 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:40,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:40,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:31:40,645 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:31:40,855 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:31:40,857 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:31:40,858 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:31:40,864 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:40,868 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:40,872 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-25 18:31:40,884 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:31:40,886 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:40,894 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:31:40,895 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 18:31:40,898 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:31:40,899 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:40,901 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,904 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,904 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,906 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,909 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,910 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,912 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,916 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,941 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:31:40,944 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,945 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:31:40,945 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:31:40,946 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,946 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:31:40,946 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:40,947 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:40,948 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 18:31:40,949 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:31:40,950 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,957 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,959 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:31:40,959 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:31:40,960 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,961 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,962 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:31:40,975 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,976 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-11-25 18:31:40,976 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:40,977 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-11-25 18:31:40,978 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,983 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:40,986 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:31:40,986 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:31:40,987 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:31:40,990 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-11-25 18:31:40,990 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:31:40,994 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-11-25 18:31:41,005 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,007 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,008 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:31:41,010 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,013 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:31:41,013 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:31:41,014 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,014 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:31:41,015 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:31:41,018 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 18:31:41,019 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:31:41,020 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:41,020 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:41,021 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:41,022 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:31:41,023 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:41,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:41,024 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:31:41,026 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:41,029 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:31:41,031 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:41,032 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:41,034 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 18:31:41,035 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,035 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,036 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,036 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,038 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:31:41,038 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-11-25 18:31:41,039 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:41,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-11-25 18:31:41,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:41,046 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-11-25 18:31:41,046 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:31:41,047 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:31:41,050 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:31:41,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:31:41,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:41,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:41,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 18:31:41,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:31:41,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:41,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:31:41,075 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-11-25 18:31:41,077 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:41,077 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:41,078 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:41,078 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:41,080 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:31:41,080 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:41,081 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:41,081 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:31:41,087 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:31:41,101 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:31:41,103 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:41,105 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:41,119 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:41,120 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:31:41,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:31:41,175 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:31:41,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41 WrapperNode [2022-11-25 18:31:41,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:31:41,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:31:41,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:31:41,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:31:41,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,362 INFO L138 Inliner]: procedures = 175, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1862 [2022-11-25 18:31:41,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:31:41,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:31:41,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:31:41,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:31:41,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:31:41,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:31:41,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:31:41,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:31:41,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (1/1) ... [2022-11-25 18:31:41,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:31:41,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:31:41,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:31:41,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:31:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-25 18:31:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-25 18:31:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 18:31:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 18:31:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-25 18:31:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-25 18:31:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-25 18:31:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:31:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:31:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:31:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:31:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-25 18:31:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-25 18:31:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-25 18:31:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-25 18:31:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-25 18:31:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-25 18:31:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-25 18:31:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-25 18:31:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 18:31:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 18:31:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:31:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:31:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-25 18:31:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-25 18:31:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-25 18:31:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-25 18:31:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:31:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:31:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-25 18:31:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-25 18:31:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:31:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-25 18:31:41,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-25 18:31:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-25 18:31:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:31:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-25 18:31:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-25 18:31:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-25 18:31:41,683 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-25 18:31:41,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:31:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:31:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-25 18:31:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-25 18:31:41,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-25 18:31:41,684 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 18:31:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-25 18:31:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-25 18:31:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-25 18:31:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:31:41,685 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 18:31:41,685 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 18:31:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-25 18:31:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-25 18:31:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-25 18:31:41,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-25 18:31:41,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-25 18:31:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 18:31:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-25 18:31:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-25 18:31:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-25 18:31:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 18:31:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 18:31:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-25 18:31:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 18:31:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-25 18:31:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-25 18:31:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-25 18:31:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-25 18:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-25 18:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-25 18:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 18:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 18:31:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:31:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:31:42,261 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:31:42,264 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:31:42,417 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:31:45,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:31:45,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:31:45,722 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 18:31:45,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:45 BoogieIcfgContainer [2022-11-25 18:31:45,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:31:45,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:31:45,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:31:45,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:31:45,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:31:38" (1/3) ... [2022-11-25 18:31:45,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aca31a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:45, skipping insertion in model container [2022-11-25 18:31:45,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:31:41" (2/3) ... [2022-11-25 18:31:45,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aca31a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:31:45, skipping insertion in model container [2022-11-25 18:31:45,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:45" (3/3) ... [2022-11-25 18:31:45,735 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:31:45,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:31:45,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:31:45,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:31:45,831 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;@15af76fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:31:45,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:31:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-25 18:31:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 18:31:45,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:31:45,855 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-25 18:31:45,855 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:31:45,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:45,861 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-25 18:31:45,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:45,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014140150] [2022-11-25 18:31:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:31:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:31:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:31:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:31:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:31:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:31:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:31:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:31:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:31:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:31:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:31:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:31:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:31:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-25 18:31:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:31:46,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014140150] [2022-11-25 18:31:46,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014140150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:46,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:46,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:31:46,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634057992] [2022-11-25 18:31:46,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:46,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:31:46,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:31:46,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:31:46,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:31:46,953 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:31:49,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:31:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:31:53,774 INFO L93 Difference]: Finished difference Result 2389 states and 3509 transitions. [2022-11-25 18:31:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:31:53,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2022-11-25 18:31:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:31:53,815 INFO L225 Difference]: With dead ends: 2389 [2022-11-25 18:31:53,815 INFO L226 Difference]: Without dead ends: 1652 [2022-11-25 18:31:53,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:31:53,827 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 1876 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 930 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:31:53,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2475 Invalid, 2429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [930 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 18:31:53,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-11-25 18:31:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1380. [2022-11-25 18:31:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 991 states have (on average 1.3319878910191725) internal successors, (1320), 1007 states have internal predecessors, (1320), 292 states have call successors, (292), 97 states have call predecessors, (292), 96 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-25 18:31:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1903 transitions. [2022-11-25 18:31:54,114 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1903 transitions. Word has length 96 [2022-11-25 18:31:54,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:31:54,116 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1903 transitions. [2022-11-25 18:31:54,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:31:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1903 transitions. [2022-11-25 18:31:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 18:31:54,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:31:54,127 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2022-11-25 18:31:54,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:31:54,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:31:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:31:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1399573305, now seen corresponding path program 1 times [2022-11-25 18:31:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:31:54,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649448150] [2022-11-25 18:31:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:31:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:31:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:31:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:31:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:31:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:31:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:31:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:31:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:31:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:31:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:31:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:31:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:31:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:31:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:31:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:31:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:31:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-25 18:31:55,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:31:55,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649448150] [2022-11-25 18:31:55,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649448150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:31:55,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:31:55,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:31:55,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016679912] [2022-11-25 18:31:55,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:31:55,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:31:55,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:31:55,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:31:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:31:55,026 INFO L87 Difference]: Start difference. First operand 1380 states and 1903 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:32:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:01,143 INFO L93 Difference]: Finished difference Result 4611 states and 6546 transitions. [2022-11-25 18:32:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:32:01,146 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 107 [2022-11-25 18:32:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:01,176 INFO L225 Difference]: With dead ends: 4611 [2022-11-25 18:32:01,176 INFO L226 Difference]: Without dead ends: 3255 [2022-11-25 18:32:01,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:32:01,189 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 1914 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 2471 mSolverCounterSat, 912 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 3383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 912 IncrementalHoareTripleChecker+Valid, 2471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:01,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 3924 Invalid, 3383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [912 Valid, 2471 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-25 18:32:01,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-11-25 18:32:01,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2757. [2022-11-25 18:32:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 1982 states have (on average 1.3335015136226034) internal successors, (2643), 2018 states have internal predecessors, (2643), 574 states have call successors, (574), 193 states have call predecessors, (574), 200 states have return successors, (613), 575 states have call predecessors, (613), 573 states have call successors, (613) [2022-11-25 18:32:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3830 transitions. [2022-11-25 18:32:01,415 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3830 transitions. Word has length 107 [2022-11-25 18:32:01,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:01,415 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3830 transitions. [2022-11-25 18:32:01,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:32:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3830 transitions. [2022-11-25 18:32:01,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-25 18:32:01,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:01,441 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:01,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:32:01,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:01,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:01,442 INFO L85 PathProgramCache]: Analyzing trace with hash 975232317, now seen corresponding path program 1 times [2022-11-25 18:32:01,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:01,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26906608] [2022-11-25 18:32:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:01,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:32:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 18:32:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 18:32:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-25 18:32:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-25 18:32:02,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:02,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26906608] [2022-11-25 18:32:02,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26906608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:02,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:02,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:32:02,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109427873] [2022-11-25 18:32:02,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:02,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:32:02,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:02,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:32:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:32:02,408 INFO L87 Difference]: Start difference. First operand 2757 states and 3830 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:32:04,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:32:05,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:32:06,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:32:11,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:11,810 INFO L93 Difference]: Finished difference Result 8161 states and 11469 transitions. [2022-11-25 18:32:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:32:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 240 [2022-11-25 18:32:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:11,849 INFO L225 Difference]: With dead ends: 8161 [2022-11-25 18:32:11,849 INFO L226 Difference]: Without dead ends: 5434 [2022-11-25 18:32:11,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:32:11,865 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 1910 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 1067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1993 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 2944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:11,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1993 Valid, 2638 Invalid, 2944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 1876 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-25 18:32:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2022-11-25 18:32:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 4567. [2022-11-25 18:32:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4567 states, 3264 states have (on average 1.3321078431372548) internal successors, (4348), 3324 states have internal predecessors, (4348), 930 states have call successors, (930), 349 states have call predecessors, (930), 372 states have return successors, (1005), 937 states have call predecessors, (1005), 929 states have call successors, (1005) [2022-11-25 18:32:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6283 transitions. [2022-11-25 18:32:12,186 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6283 transitions. Word has length 240 [2022-11-25 18:32:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:12,187 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6283 transitions. [2022-11-25 18:32:12,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:32:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6283 transitions. [2022-11-25 18:32:12,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-25 18:32:12,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:12,240 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:32:12,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2057780216, now seen corresponding path program 1 times [2022-11-25 18:32:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:12,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110849322] [2022-11-25 18:32:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 18:32:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 18:32:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 18:32:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:12,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 18:32:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-11-25 18:32:13,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:13,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110849322] [2022-11-25 18:32:13,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110849322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:13,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:13,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:32:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687263412] [2022-11-25 18:32:13,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:32:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:13,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:32:13,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:32:13,015 INFO L87 Difference]: Start difference. First operand 4567 states and 6283 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:32:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:19,643 INFO L93 Difference]: Finished difference Result 11929 states and 16668 transitions. [2022-11-25 18:32:19,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:32:19,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 220 [2022-11-25 18:32:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:19,688 INFO L225 Difference]: With dead ends: 11929 [2022-11-25 18:32:19,689 INFO L226 Difference]: Without dead ends: 7392 [2022-11-25 18:32:19,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:32:19,708 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 1338 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 2449 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3109 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 2449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:19,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 3109 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 2449 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 18:32:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2022-11-25 18:32:20,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 6286. [2022-11-25 18:32:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 4533 states have (on average 1.3200970659607325) internal successors, (5984), 4627 states have internal predecessors, (5984), 1233 states have call successors, (1233), 484 states have call predecessors, (1233), 519 states have return successors, (1339), 1244 states have call predecessors, (1339), 1232 states have call successors, (1339) [2022-11-25 18:32:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8556 transitions. [2022-11-25 18:32:20,208 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8556 transitions. Word has length 220 [2022-11-25 18:32:20,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:20,210 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8556 transitions. [2022-11-25 18:32:20,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:32:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8556 transitions. [2022-11-25 18:32:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-25 18:32:20,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:20,230 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:20,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:32:20,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:20,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash -714366218, now seen corresponding path program 1 times [2022-11-25 18:32:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:20,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597306425] [2022-11-25 18:32:20,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:20,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:32:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:32:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:32:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:32:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:32:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-25 18:32:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:21,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597306425] [2022-11-25 18:32:21,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597306425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:21,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:21,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:32:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68398468] [2022-11-25 18:32:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:21,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:32:21,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:21,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:32:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:32:21,134 INFO L87 Difference]: Start difference. First operand 6286 states and 8556 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:32:23,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:32:25,723 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 [] [2022-11-25 18:32:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:30,818 INFO L93 Difference]: Finished difference Result 16681 states and 23034 transitions. [2022-11-25 18:32:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:32:30,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2022-11-25 18:32:30,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:30,878 INFO L225 Difference]: With dead ends: 16681 [2022-11-25 18:32:30,878 INFO L226 Difference]: Without dead ends: 10440 [2022-11-25 18:32:30,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:32:30,901 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 1705 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 774 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 2651 SdHoareTripleChecker+Invalid, 2767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:30,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1806 Valid, 2651 Invalid, 2767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 1992 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-11-25 18:32:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2022-11-25 18:32:31,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 8748. [2022-11-25 18:32:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8748 states, 6315 states have (on average 1.3149643705463183) internal successors, (8304), 6439 states have internal predecessors, (8304), 1675 states have call successors, (1675), 710 states have call predecessors, (1675), 757 states have return successors, (1814), 1690 states have call predecessors, (1814), 1674 states have call successors, (1814) [2022-11-25 18:32:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8748 states to 8748 states and 11793 transitions. [2022-11-25 18:32:31,528 INFO L78 Accepts]: Start accepts. Automaton has 8748 states and 11793 transitions. Word has length 256 [2022-11-25 18:32:31,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:31,529 INFO L495 AbstractCegarLoop]: Abstraction has 8748 states and 11793 transitions. [2022-11-25 18:32:31,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:32:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 8748 states and 11793 transitions. [2022-11-25 18:32:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-25 18:32:31,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:31,553 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:31,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:32:31,554 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:31,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:31,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1321143269, now seen corresponding path program 1 times [2022-11-25 18:32:31,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:31,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18197689] [2022-11-25 18:32:31,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:32:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:32:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:32:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-25 18:32:32,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:32,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18197689] [2022-11-25 18:32:32,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18197689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:32,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:32,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:32:32,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951138835] [2022-11-25 18:32:32,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:32,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:32:32,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:32,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:32:32,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:32:32,308 INFO L87 Difference]: Start difference. First operand 8748 states and 11793 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:32:34,325 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 [] [2022-11-25 18:32:36,865 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 [] [2022-11-25 18:32:44,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:44,025 INFO L93 Difference]: Finished difference Result 26007 states and 35603 transitions. [2022-11-25 18:32:44,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:32:44,027 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 237 [2022-11-25 18:32:44,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:44,133 INFO L225 Difference]: With dead ends: 26007 [2022-11-25 18:32:44,134 INFO L226 Difference]: Without dead ends: 17304 [2022-11-25 18:32:44,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:32:44,171 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 1297 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2701 mSolverCounterSat, 509 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 3272 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 2701 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:44,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 3272 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 2701 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 18:32:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17304 states. [2022-11-25 18:32:45,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17304 to 14302. [2022-11-25 18:32:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 10435 states have (on average 1.2935313847628174) internal successors, (13498), 10645 states have internal predecessors, (13498), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-25 18:32:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 18858 transitions. [2022-11-25 18:32:45,267 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 18858 transitions. Word has length 237 [2022-11-25 18:32:45,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:45,268 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 18858 transitions. [2022-11-25 18:32:45,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:32:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 18858 transitions. [2022-11-25 18:32:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-25 18:32:45,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:45,299 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:45,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:32:45,300 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:45,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash 2001922276, now seen corresponding path program 1 times [2022-11-25 18:32:45,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:45,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321944629] [2022-11-25 18:32:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:32:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:32:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:32:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 18:32:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:32:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:32:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:32:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:32:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-25 18:32:47,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:32:47,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321944629] [2022-11-25 18:32:47,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321944629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:32:47,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:32:47,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:32:47,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144896897] [2022-11-25 18:32:47,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:32:47,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:32:47,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:32:47,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:32:47,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:32:47,028 INFO L87 Difference]: Start difference. First operand 14302 states and 18858 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:32:49,045 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 [] [2022-11-25 18:32:50,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:32:57,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:32:57,112 INFO L93 Difference]: Finished difference Result 31712 states and 42506 transitions. [2022-11-25 18:32:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:32:57,113 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 238 [2022-11-25 18:32:57,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:32:57,195 INFO L225 Difference]: With dead ends: 31712 [2022-11-25 18:32:57,195 INFO L226 Difference]: Without dead ends: 17455 [2022-11-25 18:32:57,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:32:57,240 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 2316 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 2753 mSolverCounterSat, 1258 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 3216 SdHoareTripleChecker+Invalid, 4012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1258 IncrementalHoareTripleChecker+Valid, 2753 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:32:57,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 3216 Invalid, 4012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1258 Valid, 2753 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-25 18:32:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17455 states. [2022-11-25 18:32:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17455 to 14326. [2022-11-25 18:32:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14326 states, 10459 states have (on average 1.292857825795965) internal successors, (13522), 10669 states have internal predecessors, (13522), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-25 18:32:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14326 states to 14326 states and 18882 transitions. [2022-11-25 18:32:58,421 INFO L78 Accepts]: Start accepts. Automaton has 14326 states and 18882 transitions. Word has length 238 [2022-11-25 18:32:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:32:58,422 INFO L495 AbstractCegarLoop]: Abstraction has 14326 states and 18882 transitions. [2022-11-25 18:32:58,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:32:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 14326 states and 18882 transitions. [2022-11-25 18:32:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-25 18:32:58,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:32:58,454 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:32:58,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:32:58,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:32:58,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:32:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1187186296, now seen corresponding path program 1 times [2022-11-25 18:32:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:32:58,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802326467] [2022-11-25 18:32:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:32:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:32:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:32:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:32:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:32:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:32:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:32:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:32:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:32:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:32:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:32:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:32:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:32:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:32:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:32:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:32:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:32:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:32:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:32:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 18:33:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 18:33:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-25 18:33:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:01,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802326467] [2022-11-25 18:33:01,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802326467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:01,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:01,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:33:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115663640] [2022-11-25 18:33:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:01,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:33:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:01,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:33:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:33:01,320 INFO L87 Difference]: Start difference. First operand 14326 states and 18882 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 8 states have internal predecessors, (126), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:33:03,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:33:04,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:33:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:15,420 INFO L93 Difference]: Finished difference Result 34610 states and 46572 transitions. [2022-11-25 18:33:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 18:33:15,421 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 8 states have internal predecessors, (126), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) Word has length 240 [2022-11-25 18:33:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:15,527 INFO L225 Difference]: With dead ends: 34610 [2022-11-25 18:33:15,528 INFO L226 Difference]: Without dead ends: 20329 [2022-11-25 18:33:15,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-11-25 18:33:15,657 INFO L413 NwaCegarLoop]: 674 mSDtfsCounter, 1820 mSDsluCounter, 3188 mSDsCounter, 0 mSdLazyCounter, 6710 mSolverCounterSat, 799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 3862 SdHoareTripleChecker+Invalid, 7509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 799 IncrementalHoareTripleChecker+Valid, 6710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:15,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 3862 Invalid, 7509 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [799 Valid, 6710 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2022-11-25 18:33:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20329 states. [2022-11-25 18:33:16,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20329 to 16398. [2022-11-25 18:33:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16398 states, 11735 states have (on average 1.2763527907967618) internal successors, (14978), 12015 states have internal predecessors, (14978), 3111 states have call successors, (3111), 1470 states have call predecessors, (3111), 1551 states have return successors, (3418), 3122 states have call predecessors, (3418), 3110 states have call successors, (3418) [2022-11-25 18:33:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16398 states to 16398 states and 21507 transitions. [2022-11-25 18:33:16,839 INFO L78 Accepts]: Start accepts. Automaton has 16398 states and 21507 transitions. Word has length 240 [2022-11-25 18:33:16,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:16,840 INFO L495 AbstractCegarLoop]: Abstraction has 16398 states and 21507 transitions. [2022-11-25 18:33:16,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 8 states have internal predecessors, (126), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:33:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 16398 states and 21507 transitions. [2022-11-25 18:33:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-25 18:33:16,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:16,875 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:16,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:33:16,875 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:16,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:16,876 INFO L85 PathProgramCache]: Analyzing trace with hash -877853559, now seen corresponding path program 1 times [2022-11-25 18:33:16,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:16,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620401189] [2022-11-25 18:33:16,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:16,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:33:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:33:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:33:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:33:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:33:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:33:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:33:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:33:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:33:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:33:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:33:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:33:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-25 18:33:18,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:18,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620401189] [2022-11-25 18:33:18,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620401189] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:18,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862924932] [2022-11-25 18:33:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:18,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:18,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 18:33:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:18,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:33:18,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-25 18:33:19,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-25 18:33:21,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862924932] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:21,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:33:21,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 21 [2022-11-25 18:33:21,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425889709] [2022-11-25 18:33:21,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:21,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:33:21,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:21,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:33:21,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:33:21,380 INFO L87 Difference]: Start difference. First operand 16398 states and 21507 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-25 18:33:23,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:33:32,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:32,521 INFO L93 Difference]: Finished difference Result 42264 states and 58184 transitions. [2022-11-25 18:33:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:33:32,521 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 239 [2022-11-25 18:33:32,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:32,698 INFO L225 Difference]: With dead ends: 42264 [2022-11-25 18:33:32,698 INFO L226 Difference]: Without dead ends: 32795 [2022-11-25 18:33:32,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 525 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2022-11-25 18:33:32,886 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 4900 mSDsluCounter, 2602 mSDsCounter, 0 mSdLazyCounter, 3376 mSolverCounterSat, 2064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5067 SdHoareTripleChecker+Valid, 4125 SdHoareTripleChecker+Invalid, 5440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2064 IncrementalHoareTripleChecker+Valid, 3376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:32,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5067 Valid, 4125 Invalid, 5440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2064 Valid, 3376 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-11-25 18:33:32,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32795 states. [2022-11-25 18:33:34,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32795 to 24808. [2022-11-25 18:33:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24808 states, 17753 states have (on average 1.2747141328226215) internal successors, (22630), 18243 states have internal predecessors, (22630), 4624 states have call successors, (4624), 2133 states have call predecessors, (4624), 2430 states have return successors, (5575), 4767 states have call predecessors, (5575), 4623 states have call successors, (5575) [2022-11-25 18:33:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24808 states to 24808 states and 32829 transitions. [2022-11-25 18:33:34,896 INFO L78 Accepts]: Start accepts. Automaton has 24808 states and 32829 transitions. Word has length 239 [2022-11-25 18:33:34,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:34,898 INFO L495 AbstractCegarLoop]: Abstraction has 24808 states and 32829 transitions. [2022-11-25 18:33:34,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-25 18:33:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24808 states and 32829 transitions. [2022-11-25 18:33:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-25 18:33:34,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:34,939 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:34,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:33:35,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:35,150 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:35,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1491187656, now seen corresponding path program 1 times [2022-11-25 18:33:35,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:35,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005143321] [2022-11-25 18:33:35,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:35,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:33:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:33:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:33:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:33:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:33:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:33:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:33:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:33:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:33:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:33:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:33:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:33:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:33:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-25 18:33:36,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:36,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005143321] [2022-11-25 18:33:36,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005143321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:33:36,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:33:36,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 18:33:36,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128221812] [2022-11-25 18:33:36,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:33:36,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:33:36,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:36,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:33:36,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:33:36,524 INFO L87 Difference]: Start difference. First operand 24808 states and 32829 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:33:38,543 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 [] [2022-11-25 18:33:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:45,134 INFO L93 Difference]: Finished difference Result 47930 states and 65191 transitions. [2022-11-25 18:33:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:33:45,135 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 241 [2022-11-25 18:33:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:45,317 INFO L225 Difference]: With dead ends: 47930 [2022-11-25 18:33:45,317 INFO L226 Difference]: Without dead ends: 30051 [2022-11-25 18:33:45,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:33:45,378 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 999 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 786 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:45,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 2714 Invalid, 2567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 1780 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 18:33:45,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30051 states. [2022-11-25 18:33:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30051 to 24794. [2022-11-25 18:33:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24794 states, 17739 states have (on average 1.2733525001409325) internal successors, (22588), 18229 states have internal predecessors, (22588), 4624 states have call successors, (4624), 2133 states have call predecessors, (4624), 2430 states have return successors, (5575), 4767 states have call predecessors, (5575), 4623 states have call successors, (5575) [2022-11-25 18:33:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24794 states to 24794 states and 32787 transitions. [2022-11-25 18:33:47,757 INFO L78 Accepts]: Start accepts. Automaton has 24794 states and 32787 transitions. Word has length 241 [2022-11-25 18:33:47,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:33:47,758 INFO L495 AbstractCegarLoop]: Abstraction has 24794 states and 32787 transitions. [2022-11-25 18:33:47,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:33:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 24794 states and 32787 transitions. [2022-11-25 18:33:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-25 18:33:47,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:33:47,797 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:33:47,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:33:47,798 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:33:47,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:33:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1311487969, now seen corresponding path program 1 times [2022-11-25 18:33:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:33:47,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784990908] [2022-11-25 18:33:47,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:47,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:33:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:33:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:33:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:33:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:33:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:33:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:33:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:33:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:33:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:33:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:33:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:33:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:33:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:33:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:33:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:33:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:33:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:33:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:33:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:33:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:33:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-25 18:33:49,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:33:49,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784990908] [2022-11-25 18:33:49,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784990908] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:33:49,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590498263] [2022-11-25 18:33:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:33:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:33:49,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:33:49,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:33:49,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 18:33:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:33:50,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:33:50,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:33:50,343 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-25 18:33:50,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:33:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-25 18:33:50,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590498263] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:33:50,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:33:50,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-25 18:33:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058083342] [2022-11-25 18:33:50,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:33:50,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 18:33:50,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:33:50,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 18:33:50,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-25 18:33:50,657 INFO L87 Difference]: Start difference. First operand 24794 states and 32787 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-25 18:33:52,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:33:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:33:59,552 INFO L93 Difference]: Finished difference Result 55362 states and 74830 transitions. [2022-11-25 18:33:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:33:59,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 243 [2022-11-25 18:33:59,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:33:59,729 INFO L225 Difference]: With dead ends: 55362 [2022-11-25 18:33:59,729 INFO L226 Difference]: Without dead ends: 30613 [2022-11-25 18:33:59,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:33:59,811 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 495 mSDsluCounter, 3573 mSDsCounter, 0 mSdLazyCounter, 3099 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 3483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 3099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:33:59,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 4268 Invalid, 3483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 3099 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 18:33:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30613 states. [2022-11-25 18:34:02,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30613 to 25370. [2022-11-25 18:34:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25370 states, 18315 states have (on average 1.2647556647556648) internal successors, (23164), 18805 states have internal predecessors, (23164), 4624 states have call successors, (4624), 2133 states have call predecessors, (4624), 2430 states have return successors, (5575), 4767 states have call predecessors, (5575), 4623 states have call successors, (5575) [2022-11-25 18:34:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25370 states to 25370 states and 33363 transitions. [2022-11-25 18:34:02,132 INFO L78 Accepts]: Start accepts. Automaton has 25370 states and 33363 transitions. Word has length 243 [2022-11-25 18:34:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:02,134 INFO L495 AbstractCegarLoop]: Abstraction has 25370 states and 33363 transitions. [2022-11-25 18:34:02,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-25 18:34:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 25370 states and 33363 transitions. [2022-11-25 18:34:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-25 18:34:02,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:02,163 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:02,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:34:02,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 18:34:02,376 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:02,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:02,376 INFO L85 PathProgramCache]: Analyzing trace with hash 811429133, now seen corresponding path program 2 times [2022-11-25 18:34:02,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:02,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441622562] [2022-11-25 18:34:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:02,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:34:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:34:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:34:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:34:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:34:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:34:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:34:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:34:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:34:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:34:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:34:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:34:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:34:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:34:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-25 18:34:04,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:04,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441622562] [2022-11-25 18:34:04,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441622562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:34:04,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:34:04,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 18:34:04,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466232085] [2022-11-25 18:34:04,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:34:04,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 18:34:04,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:04,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 18:34:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:34:04,414 INFO L87 Difference]: Start difference. First operand 25370 states and 33363 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:34:05,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:34:06,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:34:08,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:34:16,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:34:16,369 INFO L93 Difference]: Finished difference Result 56120 states and 75674 transitions. [2022-11-25 18:34:16,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-25 18:34:16,369 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 249 [2022-11-25 18:34:16,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:34:16,524 INFO L225 Difference]: With dead ends: 56120 [2022-11-25 18:34:16,524 INFO L226 Difference]: Without dead ends: 30795 [2022-11-25 18:34:16,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-11-25 18:34:16,615 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 352 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 4357 SdHoareTripleChecker+Invalid, 3308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:34:16,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 4357 Invalid, 3308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3086 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 18:34:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30795 states. [2022-11-25 18:34:18,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30795 to 25790. [2022-11-25 18:34:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25790 states, 18623 states have (on average 1.260376953229877) internal successors, (23472), 19099 states have internal predecessors, (23472), 4680 states have call successors, (4680), 2133 states have call predecessors, (4680), 2486 states have return successors, (5795), 4893 states have call predecessors, (5795), 4679 states have call successors, (5795) [2022-11-25 18:34:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25790 states to 25790 states and 33947 transitions. [2022-11-25 18:34:18,762 INFO L78 Accepts]: Start accepts. Automaton has 25790 states and 33947 transitions. Word has length 249 [2022-11-25 18:34:18,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:18,762 INFO L495 AbstractCegarLoop]: Abstraction has 25790 states and 33947 transitions. [2022-11-25 18:34:18,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:34:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 25790 states and 33947 transitions. [2022-11-25 18:34:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 18:34:18,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:18,784 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:18,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:34:18,785 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash -716661691, now seen corresponding path program 1 times [2022-11-25 18:34:18,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:18,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342062111] [2022-11-25 18:34:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:34:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:34:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:34:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:34:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:34:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:34:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:34:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:34:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:34:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:34:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:34:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:34:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:22,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:22,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:34:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:34:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 18:34:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:34:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:34:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-25 18:34:25,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:25,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342062111] [2022-11-25 18:34:25,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342062111] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:34:25,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616473511] [2022-11-25 18:34:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:25,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:34:25,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:25,483 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:34:25,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 18:34:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:26,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:34:26,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:34:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-25 18:34:26,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:34:26,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616473511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:34:26,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:34:26,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [23] total 25 [2022-11-25 18:34:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738025891] [2022-11-25 18:34:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:34:26,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:34:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:26,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:34:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2022-11-25 18:34:26,614 INFO L87 Difference]: Start difference. First operand 25790 states and 33947 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:34:28,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:34:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:34:29,480 INFO L93 Difference]: Finished difference Result 38863 states and 51164 transitions. [2022-11-25 18:34:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:34:29,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-25 18:34:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:34:29,530 INFO L225 Difference]: With dead ends: 38863 [2022-11-25 18:34:29,530 INFO L226 Difference]: Without dead ends: 13106 [2022-11-25 18:34:29,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:34:29,591 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:34:29,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-25 18:34:29,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13106 states. [2022-11-25 18:34:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13106 to 12961. [2022-11-25 18:34:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 9362 states have (on average 1.262871181371502) internal successors, (11823), 9600 states have internal predecessors, (11823), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1249 states have return successors, (2906), 2455 states have call predecessors, (2906), 2348 states have call successors, (2906) [2022-11-25 18:34:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 17078 transitions. [2022-11-25 18:34:30,673 INFO L78 Accepts]: Start accepts. Automaton has 12961 states and 17078 transitions. Word has length 250 [2022-11-25 18:34:30,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:30,674 INFO L495 AbstractCegarLoop]: Abstraction has 12961 states and 17078 transitions. [2022-11-25 18:34:30,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:34:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 12961 states and 17078 transitions. [2022-11-25 18:34:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-25 18:34:30,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:30,688 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:30,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:34:30,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 18:34:30,899 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:30,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:30,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1177672195, now seen corresponding path program 1 times [2022-11-25 18:34:30,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:30,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266486170] [2022-11-25 18:34:30,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:30,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:34:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:34:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:34:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:34:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:34:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:34:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:34:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:34:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:34:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:34:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:34:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:34:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:34:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:34,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:34:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 18:34:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:34:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:34:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:38,283 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-25 18:34:38,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:38,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266486170] [2022-11-25 18:34:38,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266486170] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:34:38,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675849613] [2022-11-25 18:34:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:38,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:34:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:38,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:34:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 18:34:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:39,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-25 18:34:39,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:34:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-25 18:34:39,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:34:39,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675849613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:34:39,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:34:39,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 23 [2022-11-25 18:34:39,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15568278] [2022-11-25 18:34:39,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:34:39,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:34:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:34:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:34:39,442 INFO L87 Difference]: Start difference. First operand 12961 states and 17078 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:34:40,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:34:40,617 INFO L93 Difference]: Finished difference Result 26038 states and 34750 transitions. [2022-11-25 18:34:40,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:34:40,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-25 18:34:40,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:34:40,677 INFO L225 Difference]: With dead ends: 26038 [2022-11-25 18:34:40,677 INFO L226 Difference]: Without dead ends: 13137 [2022-11-25 18:34:40,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-25 18:34:40,718 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:34:40,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:34:40,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13137 states. [2022-11-25 18:34:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13137 to 13073. [2022-11-25 18:34:41,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 9446 states have (on average 1.2605335591784883) internal successors, (11907), 9684 states have internal predecessors, (11907), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-25 18:34:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 17193 transitions. [2022-11-25 18:34:41,909 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 17193 transitions. Word has length 250 [2022-11-25 18:34:41,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:41,910 INFO L495 AbstractCegarLoop]: Abstraction has 13073 states and 17193 transitions. [2022-11-25 18:34:41,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:34:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 17193 transitions. [2022-11-25 18:34:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-25 18:34:41,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:41,923 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:41,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:34:42,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-25 18:34:42,134 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:42,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:42,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1402782726, now seen corresponding path program 1 times [2022-11-25 18:34:42,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:42,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886951979] [2022-11-25 18:34:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:34:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:34:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:34:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:34:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:34:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:34:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:34:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:34:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-25 18:34:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 18:34:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 18:34:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:34:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:34:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:34:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:34:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 18:34:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:34:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:34:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-11-25 18:34:43,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:43,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886951979] [2022-11-25 18:34:43,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886951979] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:34:43,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874110125] [2022-11-25 18:34:43,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:43,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:34:43,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:43,241 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:34:43,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 18:34:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:44,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:34:44,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:34:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-25 18:34:44,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:34:44,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874110125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:34:44,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:34:44,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-25 18:34:44,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061938654] [2022-11-25 18:34:44,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:34:44,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:34:44,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:44,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:34:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:34:44,474 INFO L87 Difference]: Start difference. First operand 13073 states and 17193 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:34:45,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:34:45,626 INFO L93 Difference]: Finished difference Result 26174 states and 34467 transitions. [2022-11-25 18:34:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:34:45,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2022-11-25 18:34:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:34:45,680 INFO L225 Difference]: With dead ends: 26174 [2022-11-25 18:34:45,680 INFO L226 Difference]: Without dead ends: 13095 [2022-11-25 18:34:45,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:34:45,719 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:34:45,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2946 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:34:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13095 states. [2022-11-25 18:34:46,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13095 to 13095. [2022-11-25 18:34:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13095 states, 9468 states have (on average 1.2599281791297001) internal successors, (11929), 9706 states have internal predecessors, (11929), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-25 18:34:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 17215 transitions. [2022-11-25 18:34:46,917 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 17215 transitions. Word has length 257 [2022-11-25 18:34:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:34:46,919 INFO L495 AbstractCegarLoop]: Abstraction has 13095 states and 17215 transitions. [2022-11-25 18:34:46,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:34:46,919 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 17215 transitions. [2022-11-25 18:34:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-25 18:34:46,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:34:46,930 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:34:46,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:34:47,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 18:34:47,142 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:34:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:34:47,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1449251808, now seen corresponding path program 1 times [2022-11-25 18:34:47,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:34:47,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494178659] [2022-11-25 18:34:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:47,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:34:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:34:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:34:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:34:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:34:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:34:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:34:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:34:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:34:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:34:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:34:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:34:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:34:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 18:34:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-25 18:34:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-25 18:34:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-25 18:34:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:34:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:34:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:34:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 18:34:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:34:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:34:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:34:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:34:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-25 18:34:48,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:34:48,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494178659] [2022-11-25 18:34:48,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494178659] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:34:48,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35582672] [2022-11-25 18:34:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:34:48,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:34:48,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:34:48,517 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:34:48,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 18:34:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:34:49,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:34:49,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:34:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 139 proven. 1 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-11-25 18:34:49,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:34:50,287 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-25 18:34:50,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35582672] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:34:50,288 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:34:50,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-25 18:34:50,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333628248] [2022-11-25 18:34:50,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:34:50,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:34:50,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:34:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:34:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-11-25 18:34:50,291 INFO L87 Difference]: Start difference. First operand 13095 states and 17215 transitions. Second operand has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-25 18:34:52,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:34:53,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:35:02,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:35:02,417 INFO L93 Difference]: Finished difference Result 28247 states and 37650 transitions. [2022-11-25 18:35:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 18:35:02,418 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 259 [2022-11-25 18:35:02,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:35:02,485 INFO L225 Difference]: With dead ends: 28247 [2022-11-25 18:35:02,485 INFO L226 Difference]: Without dead ends: 15144 [2022-11-25 18:35:02,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 572 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-11-25 18:35:02,525 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 286 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 3795 mSolverCounterSat, 205 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 5275 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 3795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:35:02,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 5275 Invalid, 4001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [205 Valid, 3795 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-11-25 18:35:02,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15144 states. [2022-11-25 18:35:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15144 to 13119. [2022-11-25 18:35:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13119 states, 9492 states have (on average 1.2592709650231775) internal successors, (11953), 9730 states have internal predecessors, (11953), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-25 18:35:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13119 states to 13119 states and 17239 transitions. [2022-11-25 18:35:03,447 INFO L78 Accepts]: Start accepts. Automaton has 13119 states and 17239 transitions. Word has length 259 [2022-11-25 18:35:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:35:03,448 INFO L495 AbstractCegarLoop]: Abstraction has 13119 states and 17239 transitions. [2022-11-25 18:35:03,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.357142857142858) internal successors, (229), 10 states have internal predecessors, (229), 2 states have call successors, (77), 6 states have call predecessors, (77), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-25 18:35:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 13119 states and 17239 transitions. [2022-11-25 18:35:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-25 18:35:03,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:35:03,459 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:35:03,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 18:35:03,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:35:03,660 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:35:03,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:35:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash -691212794, now seen corresponding path program 2 times [2022-11-25 18:35:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:35:03,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544520338] [2022-11-25 18:35:03,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:35:03,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:35:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:35:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:35:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:35:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:35:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:35:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:35:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:35:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:35:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:35:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:35:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:35:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:35:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:35:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:35:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:35:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:35:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:35:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:35:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:35:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 18:35:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:35:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:35:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:35:19,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:35:19,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544520338] [2022-11-25 18:35:19,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544520338] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:35:19,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862342869] [2022-11-25 18:35:19,579 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:35:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:35:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:35:19,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:35:19,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 18:35:20,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:35:20,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:35:20,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-25 18:35:20,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:35:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-11-25 18:35:21,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:35:21,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862342869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:35:21,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:35:21,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [35] total 45 [2022-11-25 18:35:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566159189] [2022-11-25 18:35:21,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:35:21,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-25 18:35:21,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:35:21,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-25 18:35:21,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2022-11-25 18:35:21,410 INFO L87 Difference]: Start difference. First operand 13119 states and 17239 transitions. Second operand has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 18:35:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:35:22,811 INFO L93 Difference]: Finished difference Result 27351 states and 36815 transitions. [2022-11-25 18:35:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:35:22,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) Word has length 265 [2022-11-25 18:35:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:35:22,870 INFO L225 Difference]: With dead ends: 27351 [2022-11-25 18:35:22,870 INFO L226 Difference]: Without dead ends: 14296 [2022-11-25 18:35:22,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=2378, Unknown=0, NotChecked=0, Total=2550 [2022-11-25 18:35:22,912 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 28 mSDsluCounter, 11224 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 12252 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:35:22,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 12252 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:35:22,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14296 states. [2022-11-25 18:35:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14296 to 13322. [2022-11-25 18:35:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13322 states, 9667 states have (on average 1.251680976518051) internal successors, (12100), 9884 states have internal predecessors, (12100), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1305 states have return successors, (2986), 2532 states have call predecessors, (2986), 2348 states have call successors, (2986) [2022-11-25 18:35:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13322 states to 13322 states and 17435 transitions. [2022-11-25 18:35:23,884 INFO L78 Accepts]: Start accepts. Automaton has 13322 states and 17435 transitions. Word has length 265 [2022-11-25 18:35:23,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:35:23,885 INFO L495 AbstractCegarLoop]: Abstraction has 13322 states and 17435 transitions. [2022-11-25 18:35:23,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-25 18:35:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 13322 states and 17435 transitions. [2022-11-25 18:35:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-25 18:35:23,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:35:23,895 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:35:23,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:35:24,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:35:24,096 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:35:24,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:35:24,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 1 times [2022-11-25 18:35:24,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:35:24,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079575639] [2022-11-25 18:35:24,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:35:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:35:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:35:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:35:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:35:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:35:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:35:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:35:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:35:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:35:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:35:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:35:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:35:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:35:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:35:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:35:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:35:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:35:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:35:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:35:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:35:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 18:35:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 18:35:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:35:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:35:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:35:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:35:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:35:36,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:35:36,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079575639] [2022-11-25 18:35:36,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079575639] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:35:36,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95979707] [2022-11-25 18:35:36,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:35:36,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:35:36,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:35:36,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:35:36,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 18:35:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:35:37,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 145 conjunts are in the unsatisfiable core [2022-11-25 18:35:37,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:35:39,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 18:35:39,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-25 18:35:39,919 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-11-25 18:35:39,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2022-11-25 18:35:39,949 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-11-25 18:35:39,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2022-11-25 18:35:48,795 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-25 18:35:48,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2022-11-25 18:35:48,806 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-25 18:35:48,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 7 [2022-11-25 18:35:50,056 INFO L321 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-25 18:35:50,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-25 18:35:50,289 INFO L321 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2022-11-25 18:35:50,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 46 [2022-11-25 18:35:50,310 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-25 18:35:50,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2022-11-25 18:35:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-25 18:35:50,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:35:51,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 230 [2022-11-25 18:35:51,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 354 treesize of output 338 [2022-11-25 18:35:53,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 230 [2022-11-25 18:35:53,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 370 [2022-11-25 18:35:54,464 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:35:54,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2022-11-25 18:35:56,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 238 [2022-11-25 18:35:56,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 362 treesize of output 346 [2022-11-25 18:35:57,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 514 [2022-11-25 18:35:57,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 882 treesize of output 850 [2022-11-25 18:35:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-25 18:35:59,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95979707] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:35:59,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:35:59,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [33, 25] total 74 [2022-11-25 18:35:59,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938435959] [2022-11-25 18:35:59,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:35:59,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 18:35:59,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:35:59,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 18:35:59,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=4994, Unknown=4, NotChecked=0, Total=5402 [2022-11-25 18:35:59,372 INFO L87 Difference]: Start difference. First operand 13322 states and 17435 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-25 18:36:00,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:04,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:36:06,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:08,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:36:11,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:36:13,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:36:33,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:36:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:36:58,734 INFO L93 Difference]: Finished difference Result 24322 states and 32101 transitions. [2022-11-25 18:36:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-25 18:36:58,735 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) Word has length 277 [2022-11-25 18:36:58,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:36:58,814 INFO L225 Difference]: With dead ends: 24322 [2022-11-25 18:36:58,814 INFO L226 Difference]: Without dead ends: 14675 [2022-11-25 18:36:58,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3412 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=724, Invalid=8974, Unknown=4, NotChecked=0, Total=9702 [2022-11-25 18:36:58,849 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 3063 mSDsluCounter, 8183 mSDsCounter, 0 mSdLazyCounter, 11381 mSolverCounterSat, 1725 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3177 SdHoareTripleChecker+Valid, 9133 SdHoareTripleChecker+Invalid, 13108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1725 IncrementalHoareTripleChecker+Valid, 11381 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.9s IncrementalHoareTripleChecker+Time [2022-11-25 18:36:58,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3177 Valid, 9133 Invalid, 13108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1725 Valid, 11381 Invalid, 2 Unknown, 0 Unchecked, 52.9s Time] [2022-11-25 18:36:58,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14675 states. [2022-11-25 18:37:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14675 to 13546. [2022-11-25 18:37:01,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13546 states, 9835 states have (on average 1.2509405185561768) internal successors, (12303), 10059 states have internal predecessors, (12303), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1326 states have return successors, (3133), 2581 states have call predecessors, (3133), 2383 states have call successors, (3133) [2022-11-25 18:37:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13546 states to 13546 states and 17820 transitions. [2022-11-25 18:37:01,261 INFO L78 Accepts]: Start accepts. Automaton has 13546 states and 17820 transitions. Word has length 277 [2022-11-25 18:37:01,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:01,262 INFO L495 AbstractCegarLoop]: Abstraction has 13546 states and 17820 transitions. [2022-11-25 18:37:01,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-25 18:37:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 13546 states and 17820 transitions. [2022-11-25 18:37:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-25 18:37:01,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:01,271 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:01,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:37:01,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 18:37:01,472 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:01,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1373044522, now seen corresponding path program 1 times [2022-11-25 18:37:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:01,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277098162] [2022-11-25 18:37:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 18:37:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 18:37:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:37:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 18:37:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 18:37:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 18:37:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 18:37:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 18:37:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-25 18:37:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-25 18:37:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 18:37:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 18:37:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:37:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 18:37:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 18:37:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-25 18:37:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 18:37:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 18:37:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:37:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 18:37:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 18:37:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:37:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 18:37:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 18:37:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-25 18:37:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 18:37:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 18:37:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:37:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 18:37:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 18:37:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-11-25 18:37:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:37:03,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277098162] [2022-11-25 18:37:03,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277098162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:03,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:03,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:37:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774600896] [2022-11-25 18:37:03,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:03,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:37:03,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:37:03,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:37:03,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:37:03,133 INFO L87 Difference]: Start difference. First operand 13546 states and 17820 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 18:37:05,152 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 [] [2022-11-25 18:37:14,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:14,661 INFO L93 Difference]: Finished difference Result 30754 states and 41926 transitions. [2022-11-25 18:37:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:37:14,662 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 300 [2022-11-25 18:37:14,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:14,750 INFO L225 Difference]: With dead ends: 30754 [2022-11-25 18:37:14,750 INFO L226 Difference]: Without dead ends: 17272 [2022-11-25 18:37:14,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-25 18:37:14,803 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 837 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 3870 mSolverCounterSat, 643 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 3870 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:14,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 4788 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 3870 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-25 18:37:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17272 states. [2022-11-25 18:37:17,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17272 to 13812. [2022-11-25 18:37:17,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13812 states, 10045 states have (on average 1.2456943753111) internal successors, (12513), 10234 states have internal predecessors, (12513), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1382 states have return successors, (3290), 2672 states have call predecessors, (3290), 2383 states have call successors, (3290) [2022-11-25 18:37:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13812 states to 13812 states and 18187 transitions. [2022-11-25 18:37:17,068 INFO L78 Accepts]: Start accepts. Automaton has 13812 states and 18187 transitions. Word has length 300 [2022-11-25 18:37:17,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:17,068 INFO L495 AbstractCegarLoop]: Abstraction has 13812 states and 18187 transitions. [2022-11-25 18:37:17,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-25 18:37:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 13812 states and 18187 transitions. [2022-11-25 18:37:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-25 18:37:17,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:17,078 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:17,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 18:37:17,078 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:17,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:17,079 INFO L85 PathProgramCache]: Analyzing trace with hash -528626198, now seen corresponding path program 1 times [2022-11-25 18:37:17,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:37:17,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405975841] [2022-11-25 18:37:17,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:17,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:37:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:37:18,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:37:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:37:19,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:37:19,112 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:37:19,114 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 18:37:19,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:37:19,119 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:19,125 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:37:19,200 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:37:19,202 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-25 18:37:19,226 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,226 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,226 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,227 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,227 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,228 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,229 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-25 18:37:19,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:37:19 BoogieIcfgContainer [2022-11-25 18:37:19,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:37:19,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:37:19,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:37:19,657 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:37:19,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:31:45" (3/4) ... [2022-11-25 18:37:19,661 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:37:19,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:37:19,667 INFO L158 Benchmark]: Toolchain (without parser) took 341103.29ms. Allocated memory was 134.2MB in the beginning and 5.4GB in the end (delta: 5.3GB). Free memory was 82.6MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 922.0MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,667 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:37:19,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2614.32ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 82.4MB in the beginning and 75.9MB in the end (delta: 6.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.57ms. Allocated memory is still 180.4MB. Free memory was 75.9MB in the beginning and 114.4MB in the end (delta: -38.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,669 INFO L158 Benchmark]: Boogie Preprocessor took 231.31ms. Allocated memory is still 180.4MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,669 INFO L158 Benchmark]: RCFGBuilder took 4129.15ms. Allocated memory was 180.4MB in the beginning and 255.9MB in the end (delta: 75.5MB). Free memory was 99.7MB in the beginning and 111.9MB in the end (delta: -12.2MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,669 INFO L158 Benchmark]: TraceAbstraction took 333928.64ms. Allocated memory was 255.9MB in the beginning and 5.4GB in the end (delta: 5.1GB). Free memory was 110.9MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-25 18:37:19,670 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 5.4GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:37:19,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2614.32ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 82.4MB in the beginning and 75.9MB in the end (delta: 6.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.57ms. Allocated memory is still 180.4MB. Free memory was 75.9MB in the beginning and 114.4MB in the end (delta: -38.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 231.31ms. Allocated memory is still 180.4MB. Free memory was 114.4MB in the beginning and 99.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4129.15ms. Allocated memory was 180.4MB in the beginning and 255.9MB in the end (delta: 75.5MB). Free memory was 99.7MB in the beginning and 111.9MB in the end (delta: -12.2MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. * TraceAbstraction took 333928.64ms. Allocated memory was 255.9MB in the beginning and 5.4GB in the end (delta: 5.1GB). Free memory was 110.9MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 5.4GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6764]: 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 7944. Possible FailurePath: [L6787] int LDV_IN_INTERRUPT = 1; [L6788] int ldv_state_variable_2 ; [L6789] int ref_cnt ; [L6790] int ldv_state_variable_1 ; [L6791] struct ath6kl *ath6kl_usb_ops_group0 ; [L6792] int usb_counter ; [L6793] struct usb_interface *ath6kl_usb_driver_group1 ; [L6794] int ldv_state_variable_0 ; [L7814-L7818] static struct ath6kl_hif_ops const ath6kl_usb_ops = {0, 0, 0, 0, 0, 0, 0, 0, & ath6kl_usb_cleanup_scatter, & ath6kl_usb_suspend, & ath6kl_usb_resume, & ath6kl_usb_diag_read32, & ath6kl_usb_diag_write32, & ath6kl_usb_bmi_read, & ath6kl_usb_bmi_write, & ath6kl_usb_power_on, & ath6kl_usb_power_off, & ath6kl_usb_stop, & ath6kl_usb_send, & ath6kl_usb_get_default_pipe, & ath6kl_usb_map_service_pipe, & ath6kl_usb_get_free_queue_number}; [L7929-L7931] static struct usb_device_id ath6kl_usb_ids[2U] = { {3U, 3315U, 37748U, (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}}; [L7932] struct usb_device_id const __mod_usb__ath6kl_usb_ids_device_table ; [L7933-L7939] static struct usb_driver ath6kl_usb_driver = {"ath6kl_usb", & ath6kl_usb_probe, & ath6kl_usb_remove, 0, & ath6kl_usb_pm_suspend, & ath6kl_usb_pm_resume, & ath6kl_usb_pm_reset_resume, 0, 0, (struct usb_device_id const *)(& ath6kl_usb_ids), {{{{{{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, 1U, 1U, (unsigned char)0}; [L7960] int ldv_retval_2 ; [L7961] int ldv_retval_0 ; [L7962] int ldv_retval_5 ; [L7963] int ldv_retval_4 ; [L7964] int ldv_retval_6 ; [L7966] int ldv_retval_1 ; [L7969] int ldv_retval_3 ; [L8488] Element set_impl[15] ; [L8489] int last_index = 0; [L8623] Set LDV_SKBS ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7990] struct usb_device_id *ldvarg1 ; [L7991] void *tmp ; [L7992] pm_message_t ldvarg0 ; [L7993] u32 *ldvarg18 ; [L7994] void *tmp___0 ; [L7995] u8 *ldvarg11 ; [L7996] void *tmp___1 ; [L7997] u8 ldvarg7 ; [L7998] u8 tmp___2 ; [L7999] u32 ldvarg3 ; [L8000] u32 tmp___3 ; [L8001] u8 *ldvarg12 ; [L8002] void *tmp___4 ; [L8003] u8 *ldvarg8 ; [L8004] void *tmp___5 ; [L8005] u32 ldvarg13 ; [L8006] u32 tmp___6 ; [L8007] u16 ldvarg10 ; [L8008] u16 tmp___7 ; [L8009] u8 *ldvarg9 ; [L8010] void *tmp___8 ; [L8011] struct sk_buff *ldvarg5 ; [L8012] void *tmp___9 ; [L8013] u8 ldvarg6 ; [L8014] u8 tmp___10 ; [L8015] struct cfg80211_wowlan *ldvarg15 ; [L8016] void *tmp___11 ; [L8017] u32 ldvarg16 ; [L8018] u32 tmp___12 ; [L8019] struct sk_buff *ldvarg4 ; [L8020] void *tmp___13 ; [L8021] u8 *ldvarg14 ; [L8022] void *tmp___14 ; [L8023] u8 *ldvarg17 ; [L8024] void *tmp___15 ; [L8025] u32 ldvarg19 ; [L8026] u32 tmp___16 ; [L8027] __le32 ldvarg2 ; [L8028] int tmp___17 ; [L8029] int tmp___18 ; [L8030] int tmp___19 ; [L8031] int tmp___20 ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8033] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=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={18446744073709551653:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] tmp = ldv_zalloc(32UL) [L8034] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=4, tmp___0=1, usb_counter=0] [L8035] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=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}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] tmp___0 = ldv_zalloc(4UL) [L8036] ldvarg18 = (u32 *)tmp___0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8037] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] tmp___1 = ldv_zalloc(1UL) [L8038] ldvarg11 = (u8 *)tmp___1 [L8039] tmp___2 = __VERIFIER_nondet_u8() [L8040] ldvarg7 = tmp___2 [L8041] tmp___3 = __VERIFIER_nondet_u32() [L8042] ldvarg3 = tmp___3 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, usb_counter=0] [L8043] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8043] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, usb_counter=0] [L8043] tmp___4 = ldv_zalloc(1UL) [L8044] ldvarg12 = (u8 *)tmp___4 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, usb_counter=0] [L8045] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8045] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, usb_counter=0] [L8045] tmp___5 = ldv_zalloc(1UL) [L8046] ldvarg8 = (u8 *)tmp___5 [L8047] tmp___6 = __VERIFIER_nondet_u32() [L8048] ldvarg13 = tmp___6 [L8049] tmp___7 = __VERIFIER_nondet_u16() [L8050] ldvarg10 = tmp___7 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, usb_counter=0] [L8051] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8051] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, usb_counter=0] [L8051] tmp___8 = ldv_zalloc(1UL) [L8052] ldvarg9 = (u8 *)tmp___8 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, usb_counter=0] [L8053] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8053] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, usb_counter=0] [L8053] tmp___9 = ldv_zalloc(232UL) [L8054] ldvarg5 = (struct sk_buff *)tmp___9 [L8055] tmp___10 = __VERIFIER_nondet_u8() [L8056] ldvarg6 = tmp___10 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8057] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=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={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] tmp___11 = ldv_zalloc(32UL) [L8058] ldvarg15 = (struct cfg80211_wowlan *)tmp___11 [L8059] tmp___12 = __VERIFIER_nondet_u32() [L8060] ldvarg16 = tmp___12 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8061] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] tmp___13 = ldv_zalloc(232UL) [L8062] ldvarg4 = (struct sk_buff *)tmp___13 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8063] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] tmp___14 = ldv_zalloc(1UL) [L8064] ldvarg14 = (u8 *)tmp___14 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8065] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg18={0:0}, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] tmp___15 = ldv_zalloc(1UL) [L8066] ldvarg17 = (u8 *)tmp___15 [L8067] tmp___16 = __VERIFIER_nondet_u32() [L8068] ldvarg19 = tmp___16 [L8069] CALL ldv_initialize() [L8642] CALL ldv_set_init(LDV_SKBS) [L8494] set = set_impl [L8495] last_index = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set={58:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8642] RET ldv_set_init(LDV_SKBS) [L8069] RET ldv_initialize() [L8070] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={18446744073709551653:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8071] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={18446744073709551654:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8072] ldv_state_variable_1 = 0 [L8073] ref_cnt = 0 [L8074] ldv_state_variable_0 = 1 [L8075] ldv_state_variable_2 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: [L8157] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___19=1, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8158] COND TRUE ldv_state_variable_0 == 1 [L8159] CALL, EXPR ath6kl_usb_init() [L7942] int ret ; [L7944] CALL, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L8468] ldv_func_ret_type ldv_func_res ; [L8469] int tmp ; [L8471] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8813] return __VERIFIER_nondet_int(); [L8471] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8471] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8472] ldv_func_res = tmp [L8473] ldv_state_variable_1 = 1 [L8474] usb_counter = 0 [L8475] CALL ldv_usb_driver_1() [L7972] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1560, tmp___0=1, usb_counter=0] [L7974] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] tmp = ldv_zalloc(1560UL) [L7975] ath6kl_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8475] RET ldv_usb_driver_1() [L8476] return (ldv_func_res); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, ldv_func_arg1={57:0}, ldv_func_arg1={57:0}, ldv_func_arg2={18446744073709551717:18446744073709551667}, ldv_func_arg2={18446744073709551717:18446744073709551667}, ldv_func_arg3={53:0}, ldv_func_arg3={53:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp=0, usb_counter=0] [L7944] RET, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7944] ret = ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7945] COND FALSE !(ret != 0) [L7950] return (0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, ret=0, set_impl={58:0}, usb_counter=0] [L8159] RET, EXPR ath6kl_usb_init() [L8159] ldv_retval_4 = ath6kl_usb_init() [L8160] COND TRUE ldv_retval_4 == 0 [L8161] ldv_state_variable_0 = 3 [L8162] ldv_state_variable_2 = 1 [L8163] CALL ldv_initialize_ath6kl_hif_ops_2() [L7981] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] CALL, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=31704, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, size=31704, tmp___0=1, usb_counter=0] [L7983] RET, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(31704UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] tmp = ldv_zalloc(31704UL) [L7984] ath6kl_usb_ops_group0 = (struct ath6kl *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8163] RET ldv_initialize_ath6kl_hif_ops_2() [L8166] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___19=1, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: [L8181] case 2: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8182] COND TRUE ldv_state_variable_2 != 0 [L8183] tmp___20 = __VERIFIER_nondet_int() [L8185] case 0: [L8192] case 1: [L8199] case 2: [L8216] case 3: [L8233] case 4: [L8243] case 5: [L8260] case 6: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8261] COND TRUE ldv_state_variable_2 == 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8262] CALL ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7778] CALL hif_start(ar) [L7450] struct ath6kl_usb *device ; [L7451] struct ath6kl_usb *tmp ; [L7452] int i ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] CALL, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6929] EXPR ar->hif_priv [L6929] return ((struct ath6kl_usb *)ar->hif_priv); [L7454] RET, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_priv(ar)={18446744073709551651:-2084}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] tmp = ath6kl_usb_priv(ar) [L7455] device = tmp [L7456] CALL ath6kl_usb_start_recv_pipes(device) [L7229] ar_usb->pipes[5].urb_cnt_thresh = 1U VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar_usb={18446744073709551651:-2084}, ar_usb={18446744073709551651:-2084}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7230-L7231] CALL ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7162] struct ath6kl_urb_context *urb_context ; [L7163] struct urb *urb ; [L7164] int usb_status ; VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] CALL, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6883] struct ath6kl_urb_context *urb_context ; [L6884] unsigned long flags ; [L6885] raw_spinlock_t *tmp ; [L6886] struct list_head const *__mptr ; [L6887] int tmp___0 ; [L6889] urb_context = (struct ath6kl_urb_context *)0 [L6890] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, pipe->ar_usb={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, urb_context={0:0}, usb_counter=0] [L6890] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=0, \result={18446744073709551685:18446744073709551676}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551685:18446744073709551676}, lock={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6890] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, pipe->ar_usb={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={18446744073709551685:18446744073709551676}, urb_context={0:0}, usb_counter=0] [L6890] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6891] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, arg0={18446744073709551685:18446744073709551676}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6891] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, _raw_spin_lock_irqsave(tmp)=18446744073709551703, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551685:18446744073709551676}, urb_context={0:0}, usb_counter=0] [L6891] flags = _raw_spin_lock_irqsave(tmp) [L6892] CALL, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6586] EXPR head->next [L6586] return ((unsigned long )((struct list_head const *)head->next) == (unsigned long )head); [L6892] RET, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6892] tmp___0 = list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6893] COND TRUE tmp___0 == 0 [L6894] EXPR pipe->urb_list_head.next [L6894] __mptr = (struct list_head const *)pipe->urb_list_head.next [L6895] urb_context = (struct ath6kl_urb_context *)__mptr [L6896] FCALL list_del(& urb_context->link) [L6897] EXPR pipe->urb_cnt [L6897] pipe->urb_cnt = pipe->urb_cnt - 1U [L6900] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551651:152}, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=87, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, pipe->ar_usb={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551685:18446744073709551676}, tmp___0=0, urb_context={18446744073709551651:152}, usb_counter=0] [L6900] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6900] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551651:152}, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=87, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, pipe->ar_usb={18446744073709551685:18446744073709551676}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551685:18446744073709551676}, tmp___0=0, urb_context={18446744073709551651:152}, usb_counter=0] [L6901] return (urb_context); VAL [\old(last_index)=0, \result={18446744073709551651:152}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={18446744073709551651:152}, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=87, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:-35}, pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551685:18446744073709551676}, tmp___0=0, urb_context={18446744073709551651:152}, usb_counter=0] [L7167] RET, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_alloc_urb_from_pipe(recv_pipe)={18446744073709551651:152}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe) [L7168] COND FALSE !((unsigned long )urb_context == (unsigned long )((struct ath6kl_urb_context *)0)) [L7172] CALL, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L8451] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8626] void *skb ; [L8627] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND FALSE !(tmp___0 != 0) [L6737] EXPR, FCALL calloc(1UL, size) [L6737] tmp = calloc(1UL, size) [L6738] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L6739] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6739] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L6740] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={60:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={60:0}, tmp___0=0, usb_counter=0] [L8629] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=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 ))={60:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L8630] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={60:0}, tmp___7={60:0}, usb_counter=0] [L8631] COND FALSE !(! skb) [L8634] CALL ldv_set_add(LDV_SKBS, skb) [L8502] int i ; [L8504] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8505] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8506] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8516] COND TRUE last_index < 15 [L8517] set_impl[last_index] = e [L8518] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={60:0}, e={60:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8634] RET ldv_set_add(LDV_SKBS, skb) [L8635] return (skb); VAL [\old(last_index)=0, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={60:0}, tmp___7={60:0}, usb_counter=0] [L8453] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, ldv_skb_alloc()={60:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] tmp = ldv_skb_alloc() [L8454] return (tmp); VAL [\old(last_index)=0, \old(length)=4096, \result={60:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, tmp={60:0}, usb_counter=0] [L7172] RET, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7172] urb_context->skb = ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7173] EXPR urb_context->skb VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context->skb={60:0}, usb_counter=0] [L7173] COND FALSE !((unsigned long )urb_context->skb == (unsigned long )((struct sk_buff *)0)) [L7177] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6712] void *p ; [L6713] void *tmp ; [L6714] int tmp___0 ; [L6716] tmp___0 = __VERIFIER_nondet_int() [L6717] COND FALSE !(tmp___0 != 0) [L6720] tmp = malloc(size) [L6721] p = tmp VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551651:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={18446744073709551651:0}, tmp___0=0, usb_counter=0] [L6722] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6722] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551651:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={18446744073709551651:0}, tmp___0=0, usb_counter=0] [L6723] return (p); VAL [\old(last_index)=0, \old(size)=184, \result={18446744073709551651:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={18446744073709551651:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={18446744073709551651:0}, tmp___0=0, usb_counter=0] [L8787] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, arg0=0, arg1=32, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={18446744073709551651:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] return ldv_malloc(sizeof(struct urb)); [L7177] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, usb_alloc_urb(0, 32U)={18446744073709551651:0}, usb_counter=0] [L7177] urb = usb_alloc_urb(0, 32U) [L7178] COND FALSE !((unsigned long )urb == (unsigned long )((struct urb *)0)) [L7182] EXPR recv_pipe->ar_usb [L7182] EXPR (recv_pipe->ar_usb)->udev [L7182] EXPR recv_pipe->usb_pipe_handle [L7182] EXPR urb_context->skb [L7182] EXPR (urb_context->skb)->data VAL [(recv_pipe->ar_usb)->udev={18446744073709551664:18446744073709551699}, (urb_context->skb)->data={18446744073709551692:18446744073709551659}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, recv_pipe->ar_usb={60:0}, recv_pipe->usb_pipe_handle=18446744073709551696, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, urb_context->skb={60:0}, usb_counter=0] [L7182-L7183] CALL usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=80, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, complete_fn={-1:0}, context={18446744073709551651:152}, dev={18446744073709551664:18446744073709551699}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, transfer_buffer={18446744073709551692:18446744073709551659}, urb={18446744073709551651:0}, usb_counter=0] [L6847] urb->dev = dev [L6848] urb->pipe = pipe [L6849] urb->transfer_buffer = transfer_buffer [L6850] urb->transfer_buffer_length = (u32 )buffer_length [L6851] urb->complete = complete_fn [L6852] urb->context = context VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=80, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, complete_fn={-1:0}, complete_fn={-1:0}, context={18446744073709551651:152}, context={18446744073709551651:152}, dev={18446744073709551664:18446744073709551699}, dev={18446744073709551664:18446744073709551699}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe=80, ref_cnt=0, set_impl={58:0}, transfer_buffer={18446744073709551692:18446744073709551659}, transfer_buffer={18446744073709551692:18446744073709551659}, urb={18446744073709551651:0}, urb={18446744073709551651:0}, usb_counter=0] [L7182-L7183] RET usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [(recv_pipe->ar_usb)->udev={18446744073709551664:18446744073709551699}, (urb_context->skb)->data={18446744073709551692:18446744073709551659}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, recv_pipe->ar_usb={60:0}, recv_pipe->usb_pipe_handle=18446744073709551696, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, urb_context->skb={60:0}, usb_counter=0] [L7185] recv_pipe->logical_pipe_num [L7185] recv_pipe->usb_pipe_handle [L7185] recv_pipe->ep_address [L7186] urb_context->skb [L7187] FCALL usb_anchor_urb(urb, & recv_pipe->urb_submitted) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0] [L7188] CALL, EXPR usb_submit_urb(urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, arg0={18446744073709551651:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8817] return __VERIFIER_nondet_int(); [L7188] RET, EXPR usb_submit_urb(urb, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0, usb_submit_urb(urb, 32U)=61] [L7188] usb_status = usb_submit_urb(urb, 32U) [L7189] COND TRUE usb_status != 0 VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0, usb_status=61] [L7191] FCALL usb_unanchor_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0, usb_status=61] [L7192] FCALL usb_free_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0, usb_status=61] [L7201] CALL ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, usb_counter=0] [L6920] EXPR urb_context->skb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, urb_context->skb={-1:0}, usb_counter=0] [L6920] CALL ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-1:0}, usb_counter=0] [L8649] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-1:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set_impl={58:0}, usb_counter=0] [L8527] int i ; [L8528] int deleted_index ; [L8530] deleted_index = -1 [L8531] i = 0 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8537] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, set_impl[i]={60:0}, usb_counter=0] [L8537] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L8542] i = i + 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8544] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-1:0}, e={-1:0}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8649] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-1:0}, skb={-1:0}, usb_counter=0] [L6920] RET ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, urb_context->skb={-1:0}, usb_counter=0] [L6921] urb_context->skb = (struct sk_buff *)0 [L6922] EXPR urb_context->pipe VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, urb_context->pipe={18446744073709551651:152}, usb_counter=0] [L6922] CALL ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, usb_counter=0] [L6906] unsigned long flags ; [L6907] raw_spinlock_t *tmp ; [L6909] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, pipe={18446744073709551651:152}, pipe->ar_usb={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, usb_counter=0] [L6909] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=1, \result={18446744073709551719:18446744073709551686}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={18446744073709551719:18446744073709551686}, lock={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6909] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, pipe={18446744073709551651:152}, pipe->ar_usb={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={18446744073709551719:18446744073709551686}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, usb_counter=0] [L6909] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6910] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, arg0={18446744073709551719:18446744073709551686}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6910] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, _raw_spin_lock_irqsave(tmp)=18446744073709551670, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, pipe={18446744073709551651:152}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551719:18446744073709551686}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, usb_counter=0] [L6910] flags = _raw_spin_lock_irqsave(tmp) [L6911] EXPR pipe->urb_cnt [L6911] pipe->urb_cnt = pipe->urb_cnt + 1U [L6912] CALL list_add(& urb_context->link, & pipe->urb_list_head) [L6578] EXPR head->next [L6578] FCALL __list_add(new, head, head->next) [L6912] RET list_add(& urb_context->link, & pipe->urb_list_head) [L6913] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=54, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, pipe={18446744073709551651:152}, pipe->ar_usb={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551719:18446744073709551686}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, usb_counter=0] [L6913] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6913] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=54, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={18446744073709551651:152}, pipe={18446744073709551651:152}, pipe->ar_usb={18446744073709551719:18446744073709551686}, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551719:18446744073709551686}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, usb_counter=0] [L6922] RET ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={18446744073709551651:152}, urb_context={18446744073709551651:152}, urb_context->pipe={18446744073709551651:152}, usb_counter=0] [L7201] RET ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={18446744073709551651:-35}, recv_pipe={18446744073709551651:-35}, ref_cnt=0, set_impl={58:0}, urb={18446744073709551651:0}, urb_context={18446744073709551651:152}, usb_counter=0, usb_status=61] [L7230-L7231] RET ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar_usb={18446744073709551651:-2084}, ar_usb={18446744073709551651:-2084}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7456] RET ath6kl_usb_start_recv_pipes(device) [L7457] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=1, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=2, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=2, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=3, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=3, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=4, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7463] COND FALSE !(i <= 3) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={18446744073709551651:-2084}, i=4, 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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={18446744073709551651:-2084}, usb_counter=0] [L7778] RET hif_start(ar) [L7779] return (0); VAL [\old(last_index)=0, \result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8262] RET ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_power_on(ath6kl_usb_ops_group0)=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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8263] ldv_state_variable_2 = 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8266] COND FALSE !(ldv_state_variable_2 == 3) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8271] COND FALSE !(ldv_state_variable_2 == 2) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=2, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___19=1, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___19=0, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8150] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8151] CALL ath6kl_usb_exit() [L7956] CALL ldv_usb_deregister_15(& ath6kl_usb_driver) [L8482] FCALL usb_deregister(arg) [L8483] ldv_state_variable_1 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, arg={57:0}, arg={57:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7956] RET ldv_usb_deregister_15(& ath6kl_usb_driver) [L8151] RET ath6kl_usb_exit() [L8152] ldv_state_variable_0 = 2 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={18446744073709551653:0}, ldvarg1={0:0}, ldvarg10=57, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=53, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=89, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=42, ldvarg2={18446744073709551654:0}, ldvarg3=71, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=64, ldvarg7=59, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=64, tmp___11={0:0}, tmp___12=89, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=42, tmp___17=1, tmp___19=0, tmp___2=59, tmp___20=6, tmp___3=71, tmp___4={0:0}, tmp___5={0:0}, tmp___6=53, tmp___7=57, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8410] CALL ldv_check_final_state() [L8693] int tmp___7 ; [L8695] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L8584] return (last_index == 0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8695] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L8695] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L8696] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp___7=0, usb_counter=0] [L8698] CALL ldv_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6764] reach_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={18446744073709551717:18446744073709551667}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={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_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 727 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 333.3s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 207.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 26482 SdHoareTripleChecker+Valid, 173.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25157 mSDsluCounter, 81876 SdHoareTripleChecker+Invalid, 162.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65193 mSDsCounter, 12890 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53047 IncrementalHoareTripleChecker+Invalid, 65947 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12890 mSolverCounterUnsat, 16683 mSDtfsCounter, 53047 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4503 GetRequests, 4115 SyntacticMatches, 8 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4733 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25790occurred in iteration=12, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 24.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 45786 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 85.8s InterpolantComputationTime, 6810 NumberOfCodeBlocks, 6633 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7491 ConstructedInterpolants, 14 QuantifiedInterpolants, 25073 SizeOfPredicates, 70 NumberOfNonLiveVariables, 16595 ConjunctsInSsa, 299 ConjunctsInUnsatCore, 31 InterpolantComputations, 17 PerfectInterpolantSequences, 12259/12307 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 [2022-11-25 18:37:19,909 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-25 18:37:19,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R --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 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- 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-38b53e6 [2022-11-25 18:37:22,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:37:22,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:37:22,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:37:22,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:37:22,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:37:22,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:37:22,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:37:22,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:37:22,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:37:22,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:37:22,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:37:22,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:37:22,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:37:22,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:37:22,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:37:22,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:37:22,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:37:22,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:37:22,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:37:22,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:37:22,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:37:22,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:37:22,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:37:22,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:37:22,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:37:22,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:37:22,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:37:22,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:37:22,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:37:22,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:37:22,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:37:22,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:37:22,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:37:22,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:37:22,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:37:22,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:37:22,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:37:22,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:37:22,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:37:22,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:37:22,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 18:37:22,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:37:22,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:37:22,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:37:22,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:37:22,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:37:22,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:37:22,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:37:22,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:37:22,756 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:37:22,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:37:22,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:37:22,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:37:22,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:37:22,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:37:22,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:37:22,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:37:22,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:37:22,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:37:22,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:37:22,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:37:22,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:37:22,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:37:22,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:37:22,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:37:22,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:37:22,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:37:22,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:37:22,763 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:37:22,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:37:22,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:37:22,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:37:22,764 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:37:22,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:37:22,765 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:37:22,765 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-25 18:37:23,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:37:23,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:37:23,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:37:23,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:37:23,258 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:37:23,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:37:26,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:37:27,244 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:37:27,245 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:37:27,291 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/bf843f08d/3330710a48ad4fe68e113e90dcb8f3cd/FLAG2996ea7cb [2022-11-25 18:37:27,319 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/data/bf843f08d/3330710a48ad4fe68e113e90dcb8f3cd [2022-11-25 18:37:27,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:37:27,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:37:27,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:37:27,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:37:27,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:37:27,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:27" (1/1) ... [2022-11-25 18:37:27,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709c1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:27, skipping insertion in model container [2022-11-25 18:37:27,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:37:27" (1/1) ... [2022-11-25 18:37:27,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:37:27,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:37:28,234 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:37:28,285 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:37:28,310 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:37:28,331 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:28,413 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:28,513 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-25 18:37:28,595 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:37:28,596 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:28,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:28,694 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 18:37:28,703 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:28,712 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:28,727 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,735 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,740 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,743 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:28,777 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,779 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,783 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,787 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,825 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:28,829 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,831 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:28,831 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:28,834 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,835 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:28,835 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:28,838 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:28,847 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 18:37:28,848 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:37:28,857 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,859 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,869 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:37:28,870 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:28,877 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,882 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,884 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:28,890 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,891 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-11-25 18:37:28,892 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,893 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-11-25 18:37:28,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:28,901 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:28,901 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:28,907 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:28,912 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:37:28,913 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:37:28,922 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-11-25 18:37:28,923 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:37:28,924 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-11-25 18:37:28,935 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,936 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,938 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:28,943 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,944 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:28,945 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:28,945 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:28,946 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:28,947 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:28,992 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 18:37:28,994 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:28,995 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:28,996 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:28,996 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,009 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:29,011 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,011 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,015 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,028 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,034 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,040 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,076 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 18:37:29,077 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,078 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,078 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,079 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,080 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,081 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-11-25 18:37:29,081 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,082 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-11-25 18:37:29,083 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,084 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-11-25 18:37:29,084 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:29,089 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:29,141 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:29,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 18:37:29,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:29,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,192 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-11-25 18:37:29,193 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,193 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,194 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,194 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,195 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,195 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,196 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,196 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:37:29,197 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:37:29,252 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,257 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,259 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,266 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:37:29,295 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 18:37:29,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:37:29,472 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:37:29,473 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:37:29,474 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:37:29,475 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,481 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:29,504 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-25 18:37:29,513 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:37:29,514 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:29,518 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:29,518 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 18:37:29,520 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:29,521 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,524 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,525 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,526 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,531 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,532 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,533 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,537 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,550 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:29,551 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,552 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:29,552 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:29,553 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,553 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:29,553 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:29,554 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:29,555 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 18:37:29,555 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:37:29,556 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,559 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,565 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:37:29,566 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:29,567 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,568 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,569 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:29,574 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,575 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-11-25 18:37:29,579 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,580 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-11-25 18:37:29,582 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,582 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,609 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,610 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:29,610 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:37:29,611 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:37:29,613 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-11-25 18:37:29,613 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:37:29,614 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-11-25 18:37:29,615 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,616 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,616 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:29,617 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,618 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:29,618 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:29,618 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,630 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:29,631 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:29,634 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 18:37:29,635 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:29,637 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,637 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,638 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,639 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:29,640 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,641 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,641 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,643 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,645 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:29,646 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,649 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,651 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 18:37:29,651 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,652 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,652 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,653 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,655 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,655 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-11-25 18:37:29,656 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,657 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-11-25 18:37:29,657 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,658 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-11-25 18:37:29,658 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:29,658 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:29,668 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:29,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:29,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 18:37:29,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:29,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:29,695 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-11-25 18:37:29,697 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,697 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,698 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,698 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,698 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,702 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,702 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,703 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:37:29,709 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:37:29,716 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:29,722 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,731 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,732 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,734 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:37:29,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:37:29,955 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 18:37:29,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:37:29,958 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 18:37:29,958 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:29,964 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:29,967 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_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-25 18:37:29,972 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 18:37:29,973 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:29,979 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:29,979 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 18:37:29,980 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 18:37:29,981 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:29,983 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,985 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,985 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,986 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:29,989 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,991 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,993 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:29,999 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,016 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:30,020 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,021 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:30,022 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:30,022 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,024 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:30,024 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:30,024 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:30,025 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-11-25 18:37:30,026 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-11-25 18:37:30,028 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,029 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,031 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:37:30,031 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:30,032 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,034 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,034 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 18:37:30,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,045 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-11-25 18:37:30,046 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,046 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-11-25 18:37:30,047 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,047 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,048 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,049 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:37:30,050 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 18:37:30,050 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 18:37:30,052 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-11-25 18:37:30,053 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:37:30,053 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-11-25 18:37:30,055 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,055 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,056 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 18:37:30,057 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,058 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-11-25 18:37:30,059 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 18:37:30,063 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,064 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-11-25 18:37:30,065 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 18:37:30,107 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-11-25 18:37:30,108 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:30,108 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:30,109 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,110 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,111 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-11-25 18:37:30,112 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:30,120 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,120 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 18:37:30,122 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:30,125 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-11-25 18:37:30,126 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:30,127 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:30,129 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-11-25 18:37:30,130 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,132 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,133 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,133 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,133 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-11-25 18:37:30,134 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-11-25 18:37:30,134 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:30,140 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-11-25 18:37:30,140 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:30,141 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-11-25 18:37:30,141 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:30,142 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-11-25 18:37:30,149 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-11-25 18:37:30,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:30,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:30,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:30,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 18:37:30,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-11-25 18:37:30,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:30,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 18:37:30,161 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-11-25 18:37:30,162 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:30,163 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:30,163 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:30,163 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:30,164 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 18:37:30,164 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:30,164 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:30,165 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 18:37:30,165 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 18:37:30,178 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-11-25 18:37:30,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:30,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:30,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:30,188 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 18:37:30,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:37:30,256 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:37:30,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30 WrapperNode [2022-11-25 18:37:30,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:37:30,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:37:30,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:37:30,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:37:30,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,478 INFO L138 Inliner]: procedures = 189, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1814 [2022-11-25 18:37:30,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:37:30,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:37:30,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:37:30,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:37:30,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:37:30,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:37:30,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:37:30,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:37:30,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (1/1) ... [2022-11-25 18:37:30,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:37:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:37:30,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:37:30,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:37:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-25 18:37:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-25 18:37:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 18:37:30,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 18:37:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 18:37:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-25 18:37:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-25 18:37:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-25 18:37:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-25 18:37:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-25 18:37:30,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-25 18:37:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:37:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:37:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-25 18:37:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-25 18:37:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-25 18:37:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-25 18:37:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-25 18:37:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-25 18:37:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-25 18:37:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-25 18:37:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-25 18:37:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-25 18:37:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:37:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:37:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-25 18:37:30,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-25 18:37:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-25 18:37:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-25 18:37:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 18:37:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 18:37:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-25 18:37:30,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-25 18:37:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-25 18:37:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-25 18:37:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-25 18:37:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-25 18:37:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 18:37:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 18:37:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-25 18:37:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-25 18:37:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-25 18:37:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-25 18:37:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-25 18:37:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-25 18:37:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 18:37:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 18:37:30,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 18:37:30,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-25 18:37:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-25 18:37:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 18:37:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-25 18:37:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:37:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:37:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 18:37:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 18:37:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-25 18:37:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-25 18:37:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:37:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-25 18:37:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-25 18:37:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 18:37:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 18:37:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-25 18:37:30,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-25 18:37:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:37:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-25 18:37:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-25 18:37:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-25 18:37:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-25 18:37:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:37:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 18:37:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:37:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-25 18:37:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-25 18:37:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-25 18:37:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-25 18:37:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-25 18:37:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-25 18:37:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-25 18:37:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-25 18:37:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-25 18:37:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-25 18:37:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-25 18:37:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 18:37:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 18:37:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-25 18:37:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:37:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:37:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:37:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 18:37:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-25 18:37:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-25 18:37:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 18:37:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 18:37:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 18:37:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 18:37:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 18:37:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-25 18:37:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-25 18:37:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 18:37:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 18:37:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-25 18:37:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-25 18:37:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-25 18:37:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-25 18:37:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 18:37:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-25 18:37:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-25 18:37:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-25 18:37:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-25 18:37:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-25 18:37:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-25 18:37:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-25 18:37:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 18:37:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 18:37:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:37:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:37:31,508 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:37:31,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:37:31,843 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:37:50,105 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:37:50,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:37:50,118 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 18:37:50,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:37:50 BoogieIcfgContainer [2022-11-25 18:37:50,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:37:50,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:37:50,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:37:50,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:37:50,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:37:27" (1/3) ... [2022-11-25 18:37:50,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e7b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:37:50, skipping insertion in model container [2022-11-25 18:37:50,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:37:30" (2/3) ... [2022-11-25 18:37:50,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e7b655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:37:50, skipping insertion in model container [2022-11-25 18:37:50,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:37:50" (3/3) ... [2022-11-25 18:37:50,130 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-25 18:37:50,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:37:50,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 18:37:50,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:37:50,223 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;@592f2e46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:37:50,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 18:37:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-25 18:37:50,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-25 18:37:50,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:50,251 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-25 18:37:50,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:50,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:50,257 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-25 18:37:50,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:37:50,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191497069] [2022-11-25 18:37:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:50,277 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 [2022-11-25 18:37:50,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:37:50,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:37:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:51,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:37:51,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:37:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-25 18:37:51,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:37:51,337 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:37:51,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191497069] [2022-11-25 18:37:51,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191497069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:51,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:51,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:37:51,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081931624] [2022-11-25 18:37:51,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:51,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:37:51,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:37:51,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:37:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:37:51,380 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:37:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:51,763 INFO L93 Difference]: Finished difference Result 1450 states and 2075 transitions. [2022-11-25 18:37:51,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:37:51,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2022-11-25 18:37:51,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:51,786 INFO L225 Difference]: With dead ends: 1450 [2022-11-25 18:37:51,787 INFO L226 Difference]: Without dead ends: 716 [2022-11-25 18:37:51,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:37:51,809 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 2 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:51,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2985 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:37:51,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-25 18:37:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-11-25 18:37:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 513 states have (on average 1.3255360623781676) internal successors, (680), 521 states have internal predecessors, (680), 154 states have call successors, (154), 49 states have call predecessors, (154), 48 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-25 18:37:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 987 transitions. [2022-11-25 18:37:51,943 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 987 transitions. Word has length 96 [2022-11-25 18:37:51,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:51,945 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 987 transitions. [2022-11-25 18:37:51,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 18:37:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 987 transitions. [2022-11-25 18:37:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 18:37:51,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:51,950 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-25 18:37:51,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:52,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:52,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash -272364844, now seen corresponding path program 1 times [2022-11-25 18:37:52,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:37:52,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107173869] [2022-11-25 18:37:52,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:52,178 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 [2022-11-25 18:37:52,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:37:52,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:37:52,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:52,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:37:52,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:37:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-25 18:37:53,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:37:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-25 18:37:53,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:37:53,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107173869] [2022-11-25 18:37:53,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107173869] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:37:53,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:37:53,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 18:37:53,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848508110] [2022-11-25 18:37:53,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:37:53,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 18:37:53,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:37:53,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 18:37:53,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:37:53,601 INFO L87 Difference]: Start difference. First operand 716 states and 987 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:37:54,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:54,246 INFO L93 Difference]: Finished difference Result 1416 states and 1959 transitions. [2022-11-25 18:37:54,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-25 18:37:54,247 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-11-25 18:37:54,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:54,252 INFO L225 Difference]: With dead ends: 1416 [2022-11-25 18:37:54,253 INFO L226 Difference]: Without dead ends: 725 [2022-11-25 18:37:54,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:37:54,256 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 7 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:54,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2943 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:37:54,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-25 18:37:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2022-11-25 18:37:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 521 states have (on average 1.326295585412668) internal successors, (691), 529 states have internal predecessors, (691), 154 states have call successors, (154), 50 states have call predecessors, (154), 49 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-25 18:37:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 998 transitions. [2022-11-25 18:37:54,292 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 998 transitions. Word has length 98 [2022-11-25 18:37:54,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:54,292 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 998 transitions. [2022-11-25 18:37:54,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 18:37:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 998 transitions. [2022-11-25 18:37:54,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 18:37:54,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:54,296 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:54,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:37:54,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:54,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:54,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:54,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2097019950, now seen corresponding path program 2 times [2022-11-25 18:37:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:37:54,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369101894] [2022-11-25 18:37:54,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:37:54,518 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 [2022-11-25 18:37:54,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:37:54,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:37:54,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:55,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 18:37:55,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:37:55,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:37:55,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:37:55,285 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-25 18:37:55,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:37:55,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:37:55,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369101894] [2022-11-25 18:37:55,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369101894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:55,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:55,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:37:55,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696919288] [2022-11-25 18:37:55,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:55,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:37:55,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:37:55,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:37:55,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:37:55,288 INFO L87 Difference]: Start difference. First operand 725 states and 998 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:37:57,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:37:57,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:57,551 INFO L93 Difference]: Finished difference Result 2079 states and 2865 transitions. [2022-11-25 18:37:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:37:57,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2022-11-25 18:37:57,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:57,561 INFO L225 Difference]: With dead ends: 2079 [2022-11-25 18:37:57,561 INFO L226 Difference]: Without dead ends: 1392 [2022-11-25 18:37:57,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:37:57,566 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 921 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:57,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 2100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 18:37:57,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-11-25 18:37:57,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2022-11-25 18:37:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1002 states have (on average 1.3313373253493015) internal successors, (1334), 1018 states have internal predecessors, (1334), 292 states have call successors, (292), 98 states have call predecessors, (292), 97 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-25 18:37:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1917 transitions. [2022-11-25 18:37:57,679 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1917 transitions. Word has length 104 [2022-11-25 18:37:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:37:57,680 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1917 transitions. [2022-11-25 18:37:57,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-25 18:37:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1917 transitions. [2022-11-25 18:37:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 18:37:57,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:37:57,683 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:37:57,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:37:57,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:57,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:37:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:37:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash 766997817, now seen corresponding path program 1 times [2022-11-25 18:37:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:37:57,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220351444] [2022-11-25 18:37:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:37:57,909 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 [2022-11-25 18:37:57,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:37:57,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:37:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:37:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:37:58,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:37:58,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:37:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-25 18:37:59,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:37:59,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:37:59,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220351444] [2022-11-25 18:37:59,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220351444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:37:59,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:37:59,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:37:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401204988] [2022-11-25 18:37:59,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:37:59,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:37:59,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:37:59,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:37:59,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:37:59,270 INFO L87 Difference]: Start difference. First operand 1392 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:37:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:37:59,846 INFO L93 Difference]: Finished difference Result 4097 states and 5677 transitions. [2022-11-25 18:37:59,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:37:59,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 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 115 [2022-11-25 18:37:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:37:59,866 INFO L225 Difference]: With dead ends: 4097 [2022-11-25 18:37:59,866 INFO L226 Difference]: Without dead ends: 2737 [2022-11-25 18:37:59,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:37:59,942 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 947 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:37:59,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 4356 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:37:59,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-11-25 18:38:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2729. [2022-11-25 18:38:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2729 states, 1965 states have (on average 1.332824427480916) internal successors, (2619), 1997 states have internal predecessors, (2619), 570 states have call successors, (570), 194 states have call predecessors, (570), 193 states have return successors, (589), 569 states have call predecessors, (589), 569 states have call successors, (589) [2022-11-25 18:38:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3778 transitions. [2022-11-25 18:38:00,130 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3778 transitions. Word has length 115 [2022-11-25 18:38:00,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:00,131 INFO L495 AbstractCegarLoop]: Abstraction has 2729 states and 3778 transitions. [2022-11-25 18:38:00,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 18:38:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3778 transitions. [2022-11-25 18:38:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-25 18:38:00,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:00,140 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:00,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:00,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:00,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:00,342 INFO L85 PathProgramCache]: Analyzing trace with hash 791638845, now seen corresponding path program 1 times [2022-11-25 18:38:00,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:00,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151873956] [2022-11-25 18:38:00,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:00,343 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 [2022-11-25 18:38:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:00,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:00,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:01,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:38:01,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-25 18:38:01,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:01,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:01,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151873956] [2022-11-25 18:38:01,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151873956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:01,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:01,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:38:01,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453785184] [2022-11-25 18:38:01,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:01,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:38:01,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:01,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:38:01,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:01,751 INFO L87 Difference]: Start difference. First operand 2729 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:38:02,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:02,215 INFO L93 Difference]: Finished difference Result 7189 states and 9900 transitions. [2022-11-25 18:38:02,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:38:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 248 [2022-11-25 18:38:02,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:02,245 INFO L225 Difference]: With dead ends: 7189 [2022-11-25 18:38:02,245 INFO L226 Difference]: Without dead ends: 4498 [2022-11-25 18:38:02,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:02,257 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 641 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:02,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 2002 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:38:02,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-11-25 18:38:02,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 4487. [2022-11-25 18:38:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 3215 states have (on average 1.3318818040435458) internal successors, (4282), 3263 states have internal predecessors, (4282), 922 states have call successors, (922), 350 states have call predecessors, (922), 349 states have return successors, (957), 921 states have call predecessors, (957), 921 states have call successors, (957) [2022-11-25 18:38:02,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6161 transitions. [2022-11-25 18:38:02,558 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6161 transitions. Word has length 248 [2022-11-25 18:38:02,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:02,559 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6161 transitions. [2022-11-25 18:38:02,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:38:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6161 transitions. [2022-11-25 18:38:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-25 18:38:02,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:02,578 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:02,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:02,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:02,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:02,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:02,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1936972074, now seen corresponding path program 1 times [2022-11-25 18:38:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:02,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665645964] [2022-11-25 18:38:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:02,793 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 [2022-11-25 18:38:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:02,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:02,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:03,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:38:03,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-25 18:38:04,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:04,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:04,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665645964] [2022-11-25 18:38:04,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665645964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:04,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:04,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:38:04,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140692509] [2022-11-25 18:38:04,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:38:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:38:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:04,070 INFO L87 Difference]: Start difference. First operand 4487 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:38:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:05,088 INFO L93 Difference]: Finished difference Result 10606 states and 14478 transitions. [2022-11-25 18:38:05,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:38:05,089 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), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 229 [2022-11-25 18:38:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:05,134 INFO L225 Difference]: With dead ends: 10606 [2022-11-25 18:38:05,134 INFO L226 Difference]: Without dead ends: 6155 [2022-11-25 18:38:05,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:05,155 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 575 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:05,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2091 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 18:38:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2022-11-25 18:38:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 6146. [2022-11-25 18:38:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6146 states, 4441 states have (on average 1.3199729790587706) internal successors, (5862), 4517 states have internal predecessors, (5862), 1221 states have call successors, (1221), 484 states have call predecessors, (1221), 483 states have return successors, (1268), 1220 states have call predecessors, (1268), 1220 states have call successors, (1268) [2022-11-25 18:38:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6146 states to 6146 states and 8351 transitions. [2022-11-25 18:38:05,562 INFO L78 Accepts]: Start accepts. Automaton has 6146 states and 8351 transitions. Word has length 229 [2022-11-25 18:38:05,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:05,563 INFO L495 AbstractCegarLoop]: Abstraction has 6146 states and 8351 transitions. [2022-11-25 18:38:05,563 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), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 18:38:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 6146 states and 8351 transitions. [2022-11-25 18:38:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-25 18:38:05,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:05,587 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:05,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:05,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:05,803 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:05,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash -480104918, now seen corresponding path program 1 times [2022-11-25 18:38:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:05,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325467017] [2022-11-25 18:38:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:05,805 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 [2022-11-25 18:38:05,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:05,807 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:05,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:38:07,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-25 18:38:07,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:07,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:07,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325467017] [2022-11-25 18:38:07,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [325467017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:07,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:07,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:38:07,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758873180] [2022-11-25 18:38:07,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:07,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:38:07,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:07,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:38:07,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:38:07,268 INFO L87 Difference]: Start difference. First operand 6146 states and 8351 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:09,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:09,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:09,696 INFO L93 Difference]: Finished difference Result 9304 states and 12633 transitions. [2022-11-25 18:38:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:38:09,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-25 18:38:09,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:09,722 INFO L225 Difference]: With dead ends: 9304 [2022-11-25 18:38:09,723 INFO L226 Difference]: Without dead ends: 3199 [2022-11-25 18:38:09,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:38:09,744 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:09,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-25 18:38:09,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-11-25 18:38:09,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3146. [2022-11-25 18:38:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 2277 states have (on average 1.318840579710145) internal successors, (3003), 2315 states have internal predecessors, (3003), 621 states have call successors, (621), 248 states have call predecessors, (621), 247 states have return successors, (644), 620 states have call predecessors, (644), 620 states have call successors, (644) [2022-11-25 18:38:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4268 transitions. [2022-11-25 18:38:09,976 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4268 transitions. Word has length 263 [2022-11-25 18:38:09,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:09,976 INFO L495 AbstractCegarLoop]: Abstraction has 3146 states and 4268 transitions. [2022-11-25 18:38:09,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4268 transitions. [2022-11-25 18:38:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-25 18:38:09,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:09,990 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:10,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:10,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:10,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:10,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash -135276756, now seen corresponding path program 1 times [2022-11-25 18:38:10,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:10,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414094676] [2022-11-25 18:38:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:10,217 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 [2022-11-25 18:38:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:10,218 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:11,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:38:11,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-25 18:38:11,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:11,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:11,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414094676] [2022-11-25 18:38:11,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414094676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:11,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:11,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:38:11,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230439811] [2022-11-25 18:38:11,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:11,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:38:11,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:11,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:38:11,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:11,773 INFO L87 Difference]: Start difference. First operand 3146 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:13,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:14,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:14,279 INFO L93 Difference]: Finished difference Result 7439 states and 10074 transitions. [2022-11-25 18:38:14,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:38:14,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-25 18:38:14,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:14,305 INFO L225 Difference]: With dead ends: 7439 [2022-11-25 18:38:14,306 INFO L226 Difference]: Without dead ends: 4357 [2022-11-25 18:38:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:14,318 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 844 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:14,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1933 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-25 18:38:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2022-11-25 18:38:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4348. [2022-11-25 18:38:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4348 states, 3149 states have (on average 1.315655763734519) internal successors, (4143), 3199 states have internal predecessors, (4143), 839 states have call successors, (839), 360 states have call predecessors, (839), 359 states have return successors, (870), 838 states have call predecessors, (870), 838 states have call successors, (870) [2022-11-25 18:38:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4348 states to 4348 states and 5852 transitions. [2022-11-25 18:38:14,578 INFO L78 Accepts]: Start accepts. Automaton has 4348 states and 5852 transitions. Word has length 263 [2022-11-25 18:38:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:14,579 INFO L495 AbstractCegarLoop]: Abstraction has 4348 states and 5852 transitions. [2022-11-25 18:38:14,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 5852 transitions. [2022-11-25 18:38:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 18:38:14,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:14,594 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:14,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:14,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:14,820 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:14,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:14,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2094087351, now seen corresponding path program 1 times [2022-11-25 18:38:14,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:14,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513967306] [2022-11-25 18:38:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:14,823 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 [2022-11-25 18:38:14,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:14,825 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:14,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:15,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:38:15,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-25 18:38:16,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:16,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:16,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513967306] [2022-11-25 18:38:16,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513967306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:16,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:16,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:38:16,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968497188] [2022-11-25 18:38:16,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:16,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:38:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:16,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:38:16,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:16,221 INFO L87 Difference]: Start difference. First operand 4348 states and 5852 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:18,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:19,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:19,438 INFO L93 Difference]: Finished difference Result 11380 states and 15311 transitions. [2022-11-25 18:38:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:38:19,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-25 18:38:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:19,505 INFO L225 Difference]: With dead ends: 11380 [2022-11-25 18:38:19,505 INFO L226 Difference]: Without dead ends: 7096 [2022-11-25 18:38:19,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:19,523 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 788 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:19,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2301 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-25 18:38:19,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2022-11-25 18:38:19,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 7046. [2022-11-25 18:38:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7046 states, 5155 states have (on average 1.2950533462657614) internal successors, (6676), 5239 states have internal predecessors, (6676), 1277 states have call successors, (1277), 614 states have call predecessors, (1277), 613 states have return successors, (1325), 1276 states have call predecessors, (1325), 1276 states have call successors, (1325) [2022-11-25 18:38:19,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7046 states to 7046 states and 9278 transitions. [2022-11-25 18:38:19,946 INFO L78 Accepts]: Start accepts. Automaton has 7046 states and 9278 transitions. Word has length 244 [2022-11-25 18:38:19,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:19,947 INFO L495 AbstractCegarLoop]: Abstraction has 7046 states and 9278 transitions. [2022-11-25 18:38:19,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 7046 states and 9278 transitions. [2022-11-25 18:38:19,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 18:38:19,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:19,962 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:19,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:20,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:20,189 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash 984464193, now seen corresponding path program 1 times [2022-11-25 18:38:20,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:20,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513826573] [2022-11-25 18:38:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:20,191 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 [2022-11-25 18:38:20,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:20,192 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:20,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:21,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:38:21,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-25 18:38:21,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:21,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:21,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513826573] [2022-11-25 18:38:21,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513826573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:21,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:21,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:38:21,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008549997] [2022-11-25 18:38:21,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:21,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:21,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:21,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:21,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:38:21,848 INFO L87 Difference]: Start difference. First operand 7046 states and 9278 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:22,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:22,411 INFO L93 Difference]: Finished difference Result 14164 states and 18747 transitions. [2022-11-25 18:38:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:38:22,413 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-25 18:38:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:22,454 INFO L225 Difference]: With dead ends: 14164 [2022-11-25 18:38:22,454 INFO L226 Difference]: Without dead ends: 7182 [2022-11-25 18:38:22,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:38:22,479 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 4 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:22,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4907 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:38:22,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2022-11-25 18:38:22,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 7144. [2022-11-25 18:38:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7144 states, 5225 states have (on average 1.2911004784688995) internal successors, (6746), 5309 states have internal predecessors, (6746), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 627 states have return successors, (1375), 1304 states have call predecessors, (1375), 1290 states have call successors, (1375) [2022-11-25 18:38:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 9412 transitions. [2022-11-25 18:38:22,884 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 9412 transitions. Word has length 244 [2022-11-25 18:38:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:22,885 INFO L495 AbstractCegarLoop]: Abstraction has 7144 states and 9412 transitions. [2022-11-25 18:38:22,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-25 18:38:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 9412 transitions. [2022-11-25 18:38:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-25 18:38:22,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:22,902 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:22,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:23,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:23,128 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash -427030451, now seen corresponding path program 1 times [2022-11-25 18:38:23,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:23,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968310422] [2022-11-25 18:38:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:23,130 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 [2022-11-25 18:38:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:23,133 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:23,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:24,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:38:24,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:38:24,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:38:24,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:24,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968310422] [2022-11-25 18:38:24,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968310422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:38:24,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:38:24,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:38:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341255524] [2022-11-25 18:38:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:24,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:38:24,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:24,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:38:24,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:24,595 INFO L87 Difference]: Start difference. First operand 7144 states and 9412 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:38:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:24,902 INFO L93 Difference]: Finished difference Result 10732 states and 14211 transitions. [2022-11-25 18:38:24,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:38:24,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 245 [2022-11-25 18:38:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:24,937 INFO L225 Difference]: With dead ends: 10732 [2022-11-25 18:38:24,938 INFO L226 Difference]: Without dead ends: 7172 [2022-11-25 18:38:24,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:38:24,955 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 5 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:24,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1962 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:38:24,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7172 states. [2022-11-25 18:38:25,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7172 to 7172. [2022-11-25 18:38:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7172 states, 5246 states have (on average 1.2899351887152115) internal successors, (6767), 5337 states have internal predecessors, (6767), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 634 states have return successors, (1382), 1304 states have call predecessors, (1382), 1290 states have call successors, (1382) [2022-11-25 18:38:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 9440 transitions. [2022-11-25 18:38:25,380 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 9440 transitions. Word has length 245 [2022-11-25 18:38:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:25,385 INFO L495 AbstractCegarLoop]: Abstraction has 7172 states and 9440 transitions. [2022-11-25 18:38:25,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:38:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 9440 transitions. [2022-11-25 18:38:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-25 18:38:25,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:25,404 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:25,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:25,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:25,619 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:25,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1324899410, now seen corresponding path program 1 times [2022-11-25 18:38:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:25,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567879100] [2022-11-25 18:38:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:25,621 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 [2022-11-25 18:38:25,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:25,623 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:25,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:38:26,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:38:26,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:38:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-25 18:38:28,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:38:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-25 18:38:31,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:38:31,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567879100] [2022-11-25 18:38:31,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567879100] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:38:31,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:38:31,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-11-25 18:38:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609166074] [2022-11-25 18:38:31,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:38:31,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:38:31,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:38:31,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:38:31,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:38:31,065 INFO L87 Difference]: Start difference. First operand 7172 states and 9440 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:38:33,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:36,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:38,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:40,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:43,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:45,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:49,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:52,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:55,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:38:58,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:38:58,495 INFO L93 Difference]: Finished difference Result 14877 states and 19759 transitions. [2022-11-25 18:38:58,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:38:58,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2022-11-25 18:38:58,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:38:58,533 INFO L225 Difference]: With dead ends: 14877 [2022-11-25 18:38:58,534 INFO L226 Difference]: Without dead ends: 7685 [2022-11-25 18:38:58,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:38:58,553 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1932 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 412 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-25 18:38:58,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 2108 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1301 Invalid, 7 Unknown, 0 Unchecked, 26.7s Time] [2022-11-25 18:38:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7685 states. [2022-11-25 18:38:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7685 to 7502. [2022-11-25 18:38:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7502 states, 5437 states have (on average 1.2872907853595732) internal successors, (6999), 5549 states have internal predecessors, (6999), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 654 states have return successors, (1550), 1436 states have call predecessors, (1550), 1409 states have call successors, (1550) [2022-11-25 18:38:59,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7502 states to 7502 states and 9959 transitions. [2022-11-25 18:38:59,081 INFO L78 Accepts]: Start accepts. Automaton has 7502 states and 9959 transitions. Word has length 247 [2022-11-25 18:38:59,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:38:59,082 INFO L495 AbstractCegarLoop]: Abstraction has 7502 states and 9959 transitions. [2022-11-25 18:38:59,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-25 18:38:59,082 INFO L276 IsEmpty]: Start isEmpty. Operand 7502 states and 9959 transitions. [2022-11-25 18:38:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-25 18:38:59,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:38:59,095 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:38:59,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:38:59,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:38:59,325 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:38:59,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:38:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1465877531, now seen corresponding path program 1 times [2022-11-25 18:38:59,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:38:59,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739559374] [2022-11-25 18:38:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:38:59,327 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 [2022-11-25 18:38:59,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:38:59,329 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:38:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:00,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:39:00,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:39:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-25 18:39:00,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:39:00,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:39:00,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739559374] [2022-11-25 18:39:00,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739559374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:00,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:00,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:39:00,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668768205] [2022-11-25 18:39:00,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:00,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:39:00,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:39:00,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:39:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:39:00,774 INFO L87 Difference]: Start difference. First operand 7502 states and 9959 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:39:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:01,292 INFO L93 Difference]: Finished difference Result 15030 states and 20127 transitions. [2022-11-25 18:39:01,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:39:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 246 [2022-11-25 18:39:01,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:01,324 INFO L225 Difference]: With dead ends: 15030 [2022-11-25 18:39:01,324 INFO L226 Difference]: Without dead ends: 7592 [2022-11-25 18:39:01,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:39:01,345 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:01,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:39:01,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2022-11-25 18:39:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7558. [2022-11-25 18:39:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 5479 states have (on average 1.2850885198028836) internal successors, (7041), 5591 states have internal predecessors, (7041), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 668 states have return successors, (1566), 1450 states have call predecessors, (1566), 1409 states have call successors, (1566) [2022-11-25 18:39:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 10017 transitions. [2022-11-25 18:39:01,792 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 10017 transitions. Word has length 246 [2022-11-25 18:39:01,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:01,793 INFO L495 AbstractCegarLoop]: Abstraction has 7558 states and 10017 transitions. [2022-11-25 18:39:01,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-25 18:39:01,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 10017 transitions. [2022-11-25 18:39:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-25 18:39:01,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:01,807 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:01,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:02,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:02,029 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:02,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1219350882, now seen corresponding path program 1 times [2022-11-25 18:39:02,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:39:02,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571863730] [2022-11-25 18:39:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:02,031 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 [2022-11-25 18:39:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:39:02,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:39:02,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:03,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-25 18:39:03,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:39:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-25 18:39:04,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:39:04,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:39:04,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571863730] [2022-11-25 18:39:04,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571863730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:39:04,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:39:04,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 18:39:04,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415537588] [2022-11-25 18:39:04,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:04,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 18:39:04,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:39:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:39:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:39:04,199 INFO L87 Difference]: Start difference. First operand 7558 states and 10017 transitions. Second operand has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:39:06,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:39:06,066 INFO L93 Difference]: Finished difference Result 15681 states and 21115 transitions. [2022-11-25 18:39:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 18:39:06,067 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) Word has length 253 [2022-11-25 18:39:06,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:39:06,102 INFO L225 Difference]: With dead ends: 15681 [2022-11-25 18:39:06,102 INFO L226 Difference]: Without dead ends: 8187 [2022-11-25 18:39:06,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:39:06,123 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 23 mSDsluCounter, 10215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 11244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:39:06,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 18:39:06,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8187 states. [2022-11-25 18:39:06,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8187 to 7670. [2022-11-25 18:39:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7670 states, 5577 states have (on average 1.277568585260893) internal successors, (7125), 5675 states have internal predecessors, (7125), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 682 states have return successors, (1594), 1478 states have call predecessors, (1594), 1409 states have call successors, (1594) [2022-11-25 18:39:06,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7670 states to 7670 states and 10129 transitions. [2022-11-25 18:39:06,619 INFO L78 Accepts]: Start accepts. Automaton has 7670 states and 10129 transitions. Word has length 253 [2022-11-25 18:39:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:39:06,620 INFO L495 AbstractCegarLoop]: Abstraction has 7670 states and 10129 transitions. [2022-11-25 18:39:06,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-25 18:39:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 7670 states and 10129 transitions. [2022-11-25 18:39:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-25 18:39:06,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:39:06,635 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:39:06,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:39:06,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:06,849 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:39:06,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:39:06,850 INFO L85 PathProgramCache]: Analyzing trace with hash 76736805, now seen corresponding path program 1 times [2022-11-25 18:39:06,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:39:06,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357405511] [2022-11-25 18:39:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:39:06,851 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 [2022-11-25 18:39:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:39:06,853 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:39:06,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:39:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:39:08,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 18:39:08,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:39:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-11-25 18:39:09,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:39:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-25 18:39:13,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:39:13,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357405511] [2022-11-25 18:39:13,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357405511] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:39:13,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:39:13,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2022-11-25 18:39:13,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277283014] [2022-11-25 18:39:13,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:39:13,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 18:39:13,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:39:13,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:39:13,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-25 18:39:13,768 INFO L87 Difference]: Start difference. First operand 7670 states and 10129 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-25 18:39:15,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:17,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:19,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:24,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:25,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:27,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:30,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:36,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:38,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:39,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:41,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:52,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:39:55,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:40:07,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:07,677 INFO L93 Difference]: Finished difference Result 19013 states and 26146 transitions. [2022-11-25 18:40:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:40:07,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) Word has length 265 [2022-11-25 18:40:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:07,755 INFO L225 Difference]: With dead ends: 19013 [2022-11-25 18:40:07,755 INFO L226 Difference]: Without dead ends: 14948 [2022-11-25 18:40:07,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2022-11-25 18:40:07,771 INFO L413 NwaCegarLoop]: 1537 mSDtfsCounter, 5600 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 2211 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5676 SdHoareTripleChecker+Valid, 4986 SdHoareTripleChecker+Invalid, 6645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2211 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:07,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5676 Valid, 4986 Invalid, 6645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2211 Valid, 4427 Invalid, 7 Unknown, 0 Unchecked, 51.8s Time] [2022-11-25 18:40:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14948 states. [2022-11-25 18:40:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14948 to 11913. [2022-11-25 18:40:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11913 states, 8608 states have (on average 1.2777648698884758) internal successors, (10999), 8796 states have internal predecessors, (10999), 2208 states have call successors, (2208), 925 states have call predecessors, (2208), 1096 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-25 18:40:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11913 states to 11913 states and 15903 transitions. [2022-11-25 18:40:08,706 INFO L78 Accepts]: Start accepts. Automaton has 11913 states and 15903 transitions. Word has length 265 [2022-11-25 18:40:08,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:08,707 INFO L495 AbstractCegarLoop]: Abstraction has 11913 states and 15903 transitions. [2022-11-25 18:40:08,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-25 18:40:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 11913 states and 15903 transitions. [2022-11-25 18:40:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-25 18:40:08,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:08,720 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:08,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:08,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:40:08,943 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash -731701212, now seen corresponding path program 1 times [2022-11-25 18:40:08,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:40:08,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551668005] [2022-11-25 18:40:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:08,945 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 [2022-11-25 18:40:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:40:08,951 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:40:08,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (17)] Waiting until timeout for monitored process [2022-11-25 18:40:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:10,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:40:10,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-25 18:40:10,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:40:10,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:40:10,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551668005] [2022-11-25 18:40:10,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551668005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:10,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:10,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:40:10,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477766157] [2022-11-25 18:40:10,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:10,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:40:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:40:10,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:40:10,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:40:10,540 INFO L87 Difference]: Start difference. First operand 11913 states and 15903 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 18:40:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:11,399 INFO L93 Difference]: Finished difference Result 20270 states and 27306 transitions. [2022-11-25 18:40:11,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:40:11,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 267 [2022-11-25 18:40:11,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:11,454 INFO L225 Difference]: With dead ends: 20270 [2022-11-25 18:40:11,455 INFO L226 Difference]: Without dead ends: 12032 [2022-11-25 18:40:11,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:40:11,487 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 11 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:11,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2939 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:40:11,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12032 states. [2022-11-25 18:40:12,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12032 to 11962. [2022-11-25 18:40:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11962 states, 8657 states have (on average 1.2786184590504794) internal successors, (11069), 8845 states have internal predecessors, (11069), 2208 states have call successors, (2208), 925 states have call predecessors, (2208), 1096 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-25 18:40:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11962 states to 11962 states and 15973 transitions. [2022-11-25 18:40:12,800 INFO L78 Accepts]: Start accepts. Automaton has 11962 states and 15973 transitions. Word has length 267 [2022-11-25 18:40:12,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:12,801 INFO L495 AbstractCegarLoop]: Abstraction has 11962 states and 15973 transitions. [2022-11-25 18:40:12,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 18:40:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 11962 states and 15973 transitions. [2022-11-25 18:40:12,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-25 18:40:12,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:12,814 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:12,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:13,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:40:13,040 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:13,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash 395973245, now seen corresponding path program 1 times [2022-11-25 18:40:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:40:13,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513296780] [2022-11-25 18:40:13,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:13,043 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 [2022-11-25 18:40:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:40:13,044 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:40:13,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (18)] Waiting until timeout for monitored process [2022-11-25 18:40:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:14,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:40:14,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-25 18:40:14,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 18:40:14,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:40:14,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513296780] [2022-11-25 18:40:14,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513296780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:40:14,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:40:14,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:40:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611660299] [2022-11-25 18:40:14,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:40:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:40:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:40:14,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:40:14,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:40:14,662 INFO L87 Difference]: Start difference. First operand 11962 states and 15973 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-25 18:40:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:15,741 INFO L93 Difference]: Finished difference Result 23932 states and 32062 transitions. [2022-11-25 18:40:15,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:40:15,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 269 [2022-11-25 18:40:15,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:15,795 INFO L225 Difference]: With dead ends: 23932 [2022-11-25 18:40:15,795 INFO L226 Difference]: Without dead ends: 12034 [2022-11-25 18:40:15,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:40:15,828 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:15,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1965 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:40:15,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12034 states. [2022-11-25 18:40:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12034 to 11998. [2022-11-25 18:40:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11998 states, 8693 states have (on average 1.277464626711147) internal successors, (11105), 8881 states have internal predecessors, (11105), 2208 states have call successors, (2208), 925 states have call predecessors, (2208), 1096 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-25 18:40:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11998 states to 11998 states and 16009 transitions. [2022-11-25 18:40:16,926 INFO L78 Accepts]: Start accepts. Automaton has 11998 states and 16009 transitions. Word has length 269 [2022-11-25 18:40:16,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:16,927 INFO L495 AbstractCegarLoop]: Abstraction has 11998 states and 16009 transitions. [2022-11-25 18:40:16,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-25 18:40:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 11998 states and 16009 transitions. [2022-11-25 18:40:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-25 18:40:16,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:16,941 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:16,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:17,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:40:17,155 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:17,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1684021473, now seen corresponding path program 1 times [2022-11-25 18:40:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:40:17,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450161053] [2022-11-25 18:40:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:40:17,157 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 [2022-11-25 18:40:17,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:40:17,159 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:40:17,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (19)] Waiting until timeout for monitored process [2022-11-25 18:40:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:40:18,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 18:40:18,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-25 18:40:18,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:40:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-25 18:40:19,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:40:19,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450161053] [2022-11-25 18:40:19,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450161053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:40:19,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 18:40:19,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-25 18:40:19,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076239607] [2022-11-25 18:40:19,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 18:40:19,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:40:19,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:40:19,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:40:19,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:40:19,330 INFO L87 Difference]: Start difference. First operand 11998 states and 16009 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-25 18:40:20,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:40:20,417 INFO L93 Difference]: Finished difference Result 24148 states and 32350 transitions. [2022-11-25 18:40:20,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:40:20,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 271 [2022-11-25 18:40:20,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:40:20,472 INFO L225 Difference]: With dead ends: 24148 [2022-11-25 18:40:20,472 INFO L226 Difference]: Without dead ends: 12214 [2022-11-25 18:40:20,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:40:20,506 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 3 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:40:20,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3927 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 18:40:20,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12214 states. [2022-11-25 18:40:21,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12214 to 12214. [2022-11-25 18:40:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12214 states, 8909 states have (on average 1.2707374565046583) internal successors, (11321), 9097 states have internal predecessors, (11321), 2208 states have call successors, (2208), 925 states have call predecessors, (2208), 1096 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-25 18:40:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12214 states to 12214 states and 16225 transitions. [2022-11-25 18:40:21,735 INFO L78 Accepts]: Start accepts. Automaton has 12214 states and 16225 transitions. Word has length 271 [2022-11-25 18:40:21,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:40:21,735 INFO L495 AbstractCegarLoop]: Abstraction has 12214 states and 16225 transitions. [2022-11-25 18:40:21,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-25 18:40:21,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12214 states and 16225 transitions. [2022-11-25 18:40:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-25 18:40:21,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:40:21,748 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:40:21,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:40:21,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 18:40:21,963 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 18:40:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:40:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 2 times [2022-11-25 18:40:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:40:21,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2080793193] [2022-11-25 18:40:21,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:40:21,965 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 [2022-11-25 18:40:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:40:21,967 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 18:40:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64ef41c-9dd8-4bcb-9fbd-7ec28a9d5875/bin/uautomizer-ZsLfNo2U6R/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 (20)] Waiting until timeout for monitored process [2022-11-25 18:40:29,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:40:29,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:40:30,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-25 18:40:30,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:40:31,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 18:40:31,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-25 18:40:36,511 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-25 18:40:36,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-11-25 18:40:36,683 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-25 18:40:36,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2022-11-25 18:40:46,749 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 18:40:46,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 7 [2022-11-25 18:40:46,763 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-25 18:40:46,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 3 [2022-11-25 18:40:54,703 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:40:54,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2022-11-25 18:40:55,016 INFO L321 Elim1Store]: treesize reduction 3, result has 84.2 percent of original size [2022-11-25 18:40:55,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2022-11-25 18:41:03,481 WARN L233 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 18:41:03,482 INFO L321 Elim1Store]: treesize reduction 19, result has 64.2 percent of original size [2022-11-25 18:41:03,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 60 [2022-11-25 18:41:03,773 INFO L321 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-25 18:41:03,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 41 [2022-11-25 18:41:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-25 18:41:04,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:41:13,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-25 18:41:13,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 344 [2022-11-25 18:41:21,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 280 [2022-11-25 18:41:21,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 344 [2022-11-25 18:41:34,582 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 18:41:34,582 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:41:34,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2022-11-25 18:41:34,587 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-25 18:41:48,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-25 18:41:48,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 334 [2022-11-25 18:41:54,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 602 treesize of output 584 [2022-11-25 18:41:54,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1912 treesize of output 1768 [2022-11-25 18:42:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-25 18:42:00,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 18:42:00,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2080793193] [2022-11-25 18:42:00,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2080793193] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 18:42:00,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 18:42:00,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2022-11-25 18:42:00,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289940513] [2022-11-25 18:42:00,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:42:00,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-25 18:42:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 18:42:00,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-25 18:42:00,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1489, Unknown=7, NotChecked=0, Total=1640 [2022-11-25 18:42:00,243 INFO L87 Difference]: Start difference. First operand 12214 states and 16225 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-25 18:42:02,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:04,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:42:06,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:08,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:10,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:12,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:14,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:42:16,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:06,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:07,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:43:08,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:10,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:12,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:16,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:43:17,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 18:43:19,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:43:21,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-11-25 18:43:25,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []