./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 22:23:44,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:23:44,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:23:44,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:23:44,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:23:44,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:23:44,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:23:44,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:23:44,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:23:44,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:23:44,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:23:44,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:23:44,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:23:44,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:23:44,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:23:44,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:23:44,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:23:44,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:23:44,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:23:44,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:23:44,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:23:44,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:23:44,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:23:44,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:23:45,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:23:45,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:23:45,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:23:45,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:23:45,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:23:45,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:23:45,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:23:45,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:23:45,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:23:45,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:23:45,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:23:45,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:23:45,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:23:45,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:23:45,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:23:45,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:23:45,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:23:45,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 22:23:45,027 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:23:45,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:23:45,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:23:45,028 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:23:45,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:23:45,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:23:45,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:23:45,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:23:45,029 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:23:45,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:23:45,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:23:45,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:23:45,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:23:45,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:23:45,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:23:45,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:23:45,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:23:45,032 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:23:45,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:23:45,032 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:23:45,032 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_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-12-13 22:23:45,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:23:45,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:23:45,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:23:45,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:23:45,242 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:23:45,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-12-13 22:23:47,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:23:48,190 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:23:48,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/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 [2022-12-13 22:23:48,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/f3250c835/c4a78e06df0f414cac1dc473ce9af4ae/FLAGc4e3e751b [2022-12-13 22:23:48,228 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/f3250c835/c4a78e06df0f414cac1dc473ce9af4ae [2022-12-13 22:23:48,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:23:48,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:23:48,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:23:48,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:23:48,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:23:48,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:23:48" (1/1) ... [2022-12-13 22:23:48,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d4b2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:48, skipping insertion in model container [2022-12-13 22:23:48,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:23:48" (1/1) ... [2022-12-13 22:23:48,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:23:48,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:23:48,716 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 22:23:48,755 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:23:48,774 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 22:23:48,789 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:48,838 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:48,904 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_b822d019-5196-43e5-952a-5a4d6624286d/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] [2022-12-13 22:23:48,951 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:23:48,952 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:49,011 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:23:49,012 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 22:23:49,017 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:23:49,021 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,030 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,034 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,035 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,036 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,049 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,051 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,052 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,054 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,066 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:23:49,068 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,068 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:23:49,068 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:23:49,069 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,069 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:23:49,069 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,070 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,074 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 22:23:49,075 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-12-13 22:23:49,079 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,081 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,082 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:23:49,082 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:23:49,088 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,089 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,090 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:23:49,094 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,095 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-12-13 22:23:49,095 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,095 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-12-13 22:23:49,100 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,100 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,101 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,105 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:49,106 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 22:23:49,107 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 22:23:49,112 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-12-13 22:23:49,112 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:23:49,124 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-12-13 22:23:49,132 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,133 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,133 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:23:49,134 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,135 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:23:49,135 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:23:49,135 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,136 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:23:49,136 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,156 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 22:23:49,156 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:23:49,157 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,164 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:23:49,165 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,165 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,165 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,173 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,178 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,182 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,186 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,209 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 22:23:49,209 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,209 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,210 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,210 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,210 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,211 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-12-13 22:23:49,211 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,212 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-12-13 22:23:49,212 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,213 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-12-13 22:23:49,213 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:23:49,216 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:23:49,233 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:23:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-13 22:23:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:23:49,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,259 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-13 22:23:49,260 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,261 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,261 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,261 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,261 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,262 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,262 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,262 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 22:23:49,263 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 22:23:49,304 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,308 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,309 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,313 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,314 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:23:49,332 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:23:49,421 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 22:23:49,422 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:23:49,423 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 22:23:49,423 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,426 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:49,428 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_b822d019-5196-43e5-952a-5a4d6624286d/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] [2022-12-13 22:23:49,431 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:23:49,432 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:49,435 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:23:49,435 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 22:23:49,436 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:23:49,437 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,438 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,439 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,440 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,442 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,443 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,444 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,445 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,453 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:23:49,455 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,455 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:23:49,456 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:23:49,456 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,456 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:23:49,456 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,456 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,457 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 22:23:49,457 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-12-13 22:23:49,458 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,459 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,459 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:23:49,460 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:23:49,460 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,461 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,461 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:23:49,465 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,466 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-12-13 22:23:49,466 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,466 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-12-13 22:23:49,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,468 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:23:49,469 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 22:23:49,469 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 22:23:49,471 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-12-13 22:23:49,471 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:23:49,471 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-12-13 22:23:49,472 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,473 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,473 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:23:49,474 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,474 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:23:49,474 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:23:49,475 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,475 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:23:49,475 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:23:49,477 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 22:23:49,478 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:23:49,478 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,479 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:23:49,479 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,480 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,480 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:23:49,481 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,483 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:23:49,483 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,484 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,485 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 22:23:49,485 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,485 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,486 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,486 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,486 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:23:49,487 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-12-13 22:23:49,487 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,490 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-12-13 22:23:49,490 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,491 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-12-13 22:23:49,491 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:23:49,491 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:23:49,494 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:23:49,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:23:49,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-13 22:23:49,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:23:49,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:23:49,502 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-13 22:23:49,503 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,503 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,503 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,504 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,504 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:23:49,504 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,504 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,505 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 22:23:49,505 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 22:23:49,509 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:23:49,510 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,511 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,512 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,513 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:23:49,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:23:49,552 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:23:49,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49 WrapperNode [2022-12-13 22:23:49,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:23:49,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:23:49,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:23:49,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:23:49,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,635 INFO L138 Inliner]: procedures = 175, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1862 [2022-12-13 22:23:49,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:23:49,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:23:49,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:23:49,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:23:49,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,712 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:23:49,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:23:49,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:23:49,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:23:49,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (1/1) ... [2022-12-13 22:23:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:23:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:23:49,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:23:49,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:23:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-12-13 22:23:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-12-13 22:23:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 22:23:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 22:23:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-12-13 22:23:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-12-13 22:23:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 22:23:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 22:23:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 22:23:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 22:23:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:23:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-12-13 22:23:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 22:23:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 22:23:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-12-13 22:23:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-12-13 22:23:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 22:23:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:23:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:23:50,131 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:23:50,133 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:23:50,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 22:23:52,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:23:52,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:23:52,235 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 22:23:52,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:23:52 BoogieIcfgContainer [2022-12-13 22:23:52,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:23:52,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:23:52,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:23:52,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:23:52,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:23:48" (1/3) ... [2022-12-13 22:23:52,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d8c4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:23:52, skipping insertion in model container [2022-12-13 22:23:52,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:23:49" (2/3) ... [2022-12-13 22:23:52,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d8c4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:23:52, skipping insertion in model container [2022-12-13 22:23:52,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:23:52" (3/3) ... [2022-12-13 22:23:52,246 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 [2022-12-13 22:23:52,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:23:52,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:23:52,307 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:23:52,311 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;@214ef4b1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:23:52,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:23:52,316 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) [2022-12-13 22:23:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-13 22:23:52,326 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:52,326 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] [2022-12-13 22:23:52,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:23:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:52,331 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-12-13 22:23:52,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:52,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633470732] [2022-12-13 22:23:52,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:52,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:23:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:23:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:23:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:23:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:23:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:23:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:23:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:23:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:23:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:23:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:23:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:23:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:23:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-12-13 22:23:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:52,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633470732] [2022-12-13 22:23:52,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633470732] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:52,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:52,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:23:52,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647094158] [2022-12-13 22:23:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:52,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:23:52,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:23:52,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:23:52,939 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) [2022-12-13 22:23:54,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:23:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:23:57,386 INFO L93 Difference]: Finished difference Result 2389 states and 3509 transitions. [2022-12-13 22:23:57,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:23:57,389 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 [2022-12-13 22:23:57,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:23:57,406 INFO L225 Difference]: With dead ends: 2389 [2022-12-13 22:23:57,406 INFO L226 Difference]: Without dead ends: 1652 [2022-12-13 22:23:57,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:23:57,414 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 1883 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:23:57,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2464 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 22:23:57,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-12-13 22:23:57,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1380. [2022-12-13 22:23:57,531 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) [2022-12-13 22:23:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1903 transitions. [2022-12-13 22:23:57,540 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1903 transitions. Word has length 96 [2022-12-13 22:23:57,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:23:57,540 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1903 transitions. [2022-12-13 22:23:57,540 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) [2022-12-13 22:23:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1903 transitions. [2022-12-13 22:23:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 22:23:57,545 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:23:57,545 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] [2022-12-13 22:23:57,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:23:57,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:23:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:23:57,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1399573305, now seen corresponding path program 1 times [2022-12-13 22:23:57,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:23:57,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043882187] [2022-12-13 22:23:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:23:57,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:23:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:23:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:23:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:23:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:23:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:23:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:23:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:23:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:23:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:23:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:23:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:23:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:23:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:23:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:23:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:23:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 22:23:57,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:23:57,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043882187] [2022-12-13 22:23:57,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043882187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:23:57,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:23:57,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:23:57,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419343354] [2022-12-13 22:23:57,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:23:57,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:23:57,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:23:57,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:23:57,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:23:57,958 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) [2022-12-13 22:24:01,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:01,726 INFO L93 Difference]: Finished difference Result 4611 states and 6546 transitions. [2022-12-13 22:24:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:01,726 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 [2022-12-13 22:24:01,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:01,740 INFO L225 Difference]: With dead ends: 4611 [2022-12-13 22:24:01,740 INFO L226 Difference]: Without dead ends: 3255 [2022-12-13 22:24:01,744 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 [2022-12-13 22:24:01,745 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 1914 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2016 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 3364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:01,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2016 Valid, 3920 Invalid, 3364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 22:24:01,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-12-13 22:24:01,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2757. [2022-12-13 22:24:01,874 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) [2022-12-13 22:24:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3830 transitions. [2022-12-13 22:24:01,883 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3830 transitions. Word has length 107 [2022-12-13 22:24:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:01,884 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3830 transitions. [2022-12-13 22:24:01,884 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) [2022-12-13 22:24:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3830 transitions. [2022-12-13 22:24:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-12-13 22:24:01,895 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:01,895 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] [2022-12-13 22:24:01,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:24:01,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:01,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash 975232317, now seen corresponding path program 1 times [2022-12-13 22:24:01,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:01,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108794511] [2022-12-13 22:24:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:24:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 22:24:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 22:24:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:24:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-12-13 22:24:02,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:02,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108794511] [2022-12-13 22:24:02,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108794511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:02,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:02,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:24:02,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345158302] [2022-12-13 22:24:02,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:02,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:24:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:02,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:24:02,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:24:02,378 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) [2022-12-13 22:24:03,553 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 [] [2022-12-13 22:24:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:07,910 INFO L93 Difference]: Finished difference Result 8161 states and 11469 transitions. [2022-12-13 22:24:07,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:07,910 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 [2022-12-13 22:24:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:07,928 INFO L225 Difference]: With dead ends: 8161 [2022-12-13 22:24:07,929 INFO L226 Difference]: Without dead ends: 5434 [2022-12-13 22:24:07,936 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 [2022-12-13 22:24:07,937 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 1916 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 2640 SdHoareTripleChecker+Invalid, 2928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:07,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 2640 Invalid, 2928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 22:24:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2022-12-13 22:24:08,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 4567. [2022-12-13 22:24:08,149 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) [2022-12-13 22:24:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6283 transitions. [2022-12-13 22:24:08,162 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6283 transitions. Word has length 240 [2022-12-13 22:24:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:08,162 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6283 transitions. [2022-12-13 22:24:08,162 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) [2022-12-13 22:24:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6283 transitions. [2022-12-13 22:24:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-12-13 22:24:08,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:08,171 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] [2022-12-13 22:24:08,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:24:08,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:08,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:08,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2057780216, now seen corresponding path program 1 times [2022-12-13 22:24:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:08,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404486309] [2022-12-13 22:24:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 22:24:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 22:24:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 22:24:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:24:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-12-13 22:24:08,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:08,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404486309] [2022-12-13 22:24:08,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404486309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:08,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:08,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:24:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994033511] [2022-12-13 22:24:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:24:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:24:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:24:08,594 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) [2022-12-13 22:24:11,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:11,993 INFO L93 Difference]: Finished difference Result 11929 states and 16668 transitions. [2022-12-13 22:24:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 22:24:11,993 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 [2022-12-13 22:24:11,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:12,016 INFO L225 Difference]: With dead ends: 11929 [2022-12-13 22:24:12,016 INFO L226 Difference]: Without dead ends: 7392 [2022-12-13 22:24:12,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:24:12,027 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 1338 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 600 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 600 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:12,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 3115 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [600 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-13 22:24:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2022-12-13 22:24:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 6286. [2022-12-13 22:24:12,259 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) [2022-12-13 22:24:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8556 transitions. [2022-12-13 22:24:12,275 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8556 transitions. Word has length 220 [2022-12-13 22:24:12,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:12,275 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8556 transitions. [2022-12-13 22:24:12,276 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) [2022-12-13 22:24:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8556 transitions. [2022-12-13 22:24:12,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 22:24:12,287 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:12,287 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] [2022-12-13 22:24:12,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:24:12,287 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:12,288 INFO L85 PathProgramCache]: Analyzing trace with hash -714366218, now seen corresponding path program 1 times [2022-12-13 22:24:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:12,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641912931] [2022-12-13 22:24:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:12,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:24:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 22:24:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 22:24:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-12-13 22:24:12,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:12,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641912931] [2022-12-13 22:24:12,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641912931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:12,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:12,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:24:12,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513401347] [2022-12-13 22:24:12,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:12,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:24:12,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:12,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:24:12,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:24:12,797 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) [2022-12-13 22:24:17,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:17,936 INFO L93 Difference]: Finished difference Result 16681 states and 23034 transitions. [2022-12-13 22:24:17,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:17,937 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 [2022-12-13 22:24:17,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:17,974 INFO L225 Difference]: With dead ends: 16681 [2022-12-13 22:24:17,974 INFO L226 Difference]: Without dead ends: 10440 [2022-12-13 22:24:17,987 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 [2022-12-13 22:24:17,987 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 1705 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1807 SdHoareTripleChecker+Valid, 2655 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:17,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1807 Valid, 2655 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 1987 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 22:24:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2022-12-13 22:24:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 8748. [2022-12-13 22:24:18,305 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) [2022-12-13 22:24:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8748 states to 8748 states and 11793 transitions. [2022-12-13 22:24:18,329 INFO L78 Accepts]: Start accepts. Automaton has 8748 states and 11793 transitions. Word has length 256 [2022-12-13 22:24:18,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:18,329 INFO L495 AbstractCegarLoop]: Abstraction has 8748 states and 11793 transitions. [2022-12-13 22:24:18,329 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) [2022-12-13 22:24:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 8748 states and 11793 transitions. [2022-12-13 22:24:18,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 22:24:18,342 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:18,342 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] [2022-12-13 22:24:18,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:24:18,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:18,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:18,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1321143269, now seen corresponding path program 1 times [2022-12-13 22:24:18,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:18,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787795684] [2022-12-13 22:24:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:18,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 22:24:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-13 22:24:18,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:18,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787795684] [2022-12-13 22:24:18,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787795684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:18,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:18,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:24:18,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954529440] [2022-12-13 22:24:18,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:18,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:24:18,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:24:18,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:24:18,789 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) [2022-12-13 22:24:20,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:24:22,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:24:27,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:27,094 INFO L93 Difference]: Finished difference Result 26007 states and 35603 transitions. [2022-12-13 22:24:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:27,094 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 [2022-12-13 22:24:27,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:27,168 INFO L225 Difference]: With dead ends: 26007 [2022-12-13 22:24:27,168 INFO L226 Difference]: Without dead ends: 17304 [2022-12-13 22:24:27,183 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 [2022-12-13 22:24:27,184 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 1299 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2714 mSolverCounterSat, 506 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 3275 SdHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 2714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:27,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 3275 Invalid, 3221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 2714 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-12-13 22:24:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17304 states. [2022-12-13 22:24:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17304 to 14302. [2022-12-13 22:24:27,719 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) [2022-12-13 22:24:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 18858 transitions. [2022-12-13 22:24:27,754 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 18858 transitions. Word has length 237 [2022-12-13 22:24:27,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:27,754 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 18858 transitions. [2022-12-13 22:24:27,755 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) [2022-12-13 22:24:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 18858 transitions. [2022-12-13 22:24:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-13 22:24:27,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:27,771 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] [2022-12-13 22:24:27,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:24:27,771 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:27,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:27,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2001922276, now seen corresponding path program 1 times [2022-12-13 22:24:27,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:27,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861430348] [2022-12-13 22:24:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:27,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:24:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 22:24:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:24:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-12-13 22:24:28,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861430348] [2022-12-13 22:24:28,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861430348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:28,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:28,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:24:28,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141020190] [2022-12-13 22:24:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:28,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:24:28,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:24:28,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:24:28,731 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) [2022-12-13 22:24:34,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:34,239 INFO L93 Difference]: Finished difference Result 31712 states and 42506 transitions. [2022-12-13 22:24:34,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 22:24:34,240 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 [2022-12-13 22:24:34,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:34,281 INFO L225 Difference]: With dead ends: 31712 [2022-12-13 22:24:34,281 INFO L226 Difference]: Without dead ends: 17455 [2022-12-13 22:24:34,300 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 [2022-12-13 22:24:34,301 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 2316 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 2749 mSolverCounterSat, 1258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 3215 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1258 IncrementalHoareTripleChecker+Valid, 2749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:34,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 3215 Invalid, 4007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1258 Valid, 2749 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 22:24:34,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17455 states. [2022-12-13 22:24:34,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17455 to 14326. [2022-12-13 22:24:34,848 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) [2022-12-13 22:24:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14326 states to 14326 states and 18882 transitions. [2022-12-13 22:24:34,882 INFO L78 Accepts]: Start accepts. Automaton has 14326 states and 18882 transitions. Word has length 238 [2022-12-13 22:24:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:34,882 INFO L495 AbstractCegarLoop]: Abstraction has 14326 states and 18882 transitions. [2022-12-13 22:24:34,882 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) [2022-12-13 22:24:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 14326 states and 18882 transitions. [2022-12-13 22:24:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-12-13 22:24:34,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:34,897 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] [2022-12-13 22:24:34,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 22:24:34,898 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash -877853559, now seen corresponding path program 1 times [2022-12-13 22:24:34,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:34,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624883628] [2022-12-13 22:24:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:34,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:24:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-12-13 22:24:35,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:35,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624883628] [2022-12-13 22:24:35,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624883628] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:24:35,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355997107] [2022-12-13 22:24:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:35,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:24:35,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:24:35,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:24:35,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:24:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:36,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:24:36,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:24:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-13 22:24:36,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:24:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-12-13 22:24:37,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355997107] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:24:37,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 22:24:37,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 21 [2022-12-13 22:24:37,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170637764] [2022-12-13 22:24:37,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:37,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:24:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:24:37,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:24:37,267 INFO L87 Difference]: Start difference. First operand 14326 states and 18882 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) [2022-12-13 22:24:43,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:43,195 INFO L93 Difference]: Finished difference Result 38372 states and 53122 transitions. [2022-12-13 22:24:43,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:24:43,195 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 [2022-12-13 22:24:43,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:43,276 INFO L225 Difference]: With dead ends: 38372 [2022-12-13 22:24:43,277 INFO L226 Difference]: Without dead ends: 31017 [2022-12-13 22:24:43,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 525 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2022-12-13 22:24:43,298 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 4234 mSDsluCounter, 3450 mSDsCounter, 0 mSdLazyCounter, 4336 mSolverCounterSat, 1589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4394 SdHoareTripleChecker+Valid, 4981 SdHoareTripleChecker+Invalid, 5925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1589 IncrementalHoareTripleChecker+Valid, 4336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:43,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4394 Valid, 4981 Invalid, 5925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1589 Valid, 4336 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-13 22:24:43,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31017 states. [2022-12-13 22:24:44,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31017 to 22134. [2022-12-13 22:24:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22134 states, 16125 states have (on average 1.2922790697674418) internal successors, (20838), 16475 states have internal predecessors, (20838), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-12-13 22:24:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 29391 transitions. [2022-12-13 22:24:44,582 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 29391 transitions. Word has length 239 [2022-12-13 22:24:44,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:44,583 INFO L495 AbstractCegarLoop]: Abstraction has 22134 states and 29391 transitions. [2022-12-13 22:24:44,583 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) [2022-12-13 22:24:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 29391 transitions. [2022-12-13 22:24:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 22:24:44,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:44,598 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] [2022-12-13 22:24:44,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:24:44,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:24:44,799 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:44,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:44,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1491187656, now seen corresponding path program 1 times [2022-12-13 22:24:44,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:44,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700143752] [2022-12-13 22:24:44,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:44,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:24:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:24:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-12-13 22:24:45,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:45,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700143752] [2022-12-13 22:24:45,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700143752] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:24:45,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:24:45,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 22:24:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636329421] [2022-12-13 22:24:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:24:45,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:24:45,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:24:45,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:24:45,455 INFO L87 Difference]: Start difference. First operand 22134 states and 29391 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) [2022-12-13 22:24:49,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:49,184 INFO L93 Difference]: Finished difference Result 48864 states and 66342 transitions. [2022-12-13 22:24:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:49,185 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 [2022-12-13 22:24:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:49,258 INFO L225 Difference]: With dead ends: 48864 [2022-12-13 22:24:49,258 INFO L226 Difference]: Without dead ends: 26775 [2022-12-13 22:24:49,294 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 [2022-12-13 22:24:49,295 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 794 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:49,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 2757 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 22:24:49,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-12-13 22:24:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 22106. [2022-12-13 22:24:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22106 states, 16097 states have (on average 1.2901782940920667) internal successors, (20768), 16447 states have internal predecessors, (20768), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-12-13 22:24:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22106 states to 22106 states and 29321 transitions. [2022-12-13 22:24:50,471 INFO L78 Accepts]: Start accepts. Automaton has 22106 states and 29321 transitions. Word has length 241 [2022-12-13 22:24:50,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:50,472 INFO L495 AbstractCegarLoop]: Abstraction has 22106 states and 29321 transitions. [2022-12-13 22:24:50,472 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) [2022-12-13 22:24:50,472 INFO L276 IsEmpty]: Start isEmpty. Operand 22106 states and 29321 transitions. [2022-12-13 22:24:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 22:24:50,490 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:50,490 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] [2022-12-13 22:24:50,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 22:24:50,491 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:50,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:50,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1311487969, now seen corresponding path program 1 times [2022-12-13 22:24:50,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:50,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261025509] [2022-12-13 22:24:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:50,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:24:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:24:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:24:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-12-13 22:24:51,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:24:51,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261025509] [2022-12-13 22:24:51,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261025509] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:24:51,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112202058] [2022-12-13 22:24:51,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:51,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:24:51,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:24:51,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:24:51,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 22:24:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:51,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:24:51,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:24:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-12-13 22:24:51,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:24:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-12-13 22:24:51,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112202058] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:24:51,737 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:24:51,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-12-13 22:24:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493541351] [2022-12-13 22:24:51,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:24:51,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 22:24:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:24:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 22:24:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:24:51,740 INFO L87 Difference]: Start difference. First operand 22106 states and 29321 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) [2022-12-13 22:24:53,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:24:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:24:57,579 INFO L93 Difference]: Finished difference Result 49240 states and 66638 transitions. [2022-12-13 22:24:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:24:57,580 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 [2022-12-13 22:24:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:24:57,649 INFO L225 Difference]: With dead ends: 49240 [2022-12-13 22:24:57,650 INFO L226 Difference]: Without dead ends: 27179 [2022-12-13 22:24:57,683 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 [2022-12-13 22:24:57,684 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 972 mSDsluCounter, 3242 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 3947 SdHoareTripleChecker+Invalid, 3527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 775 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:24:57,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 3947 Invalid, 3527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [775 Valid, 2752 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 22:24:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27179 states. [2022-12-13 22:24:58,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27179 to 22538. [2022-12-13 22:24:58,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22538 states, 16529 states have (on average 1.2825942283259726) internal successors, (21200), 16879 states have internal predecessors, (21200), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-12-13 22:24:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22538 states to 22538 states and 29753 transitions. [2022-12-13 22:24:58,771 INFO L78 Accepts]: Start accepts. Automaton has 22538 states and 29753 transitions. Word has length 243 [2022-12-13 22:24:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:24:58,771 INFO L495 AbstractCegarLoop]: Abstraction has 22538 states and 29753 transitions. [2022-12-13 22:24:58,771 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) [2022-12-13 22:24:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 22538 states and 29753 transitions. [2022-12-13 22:24:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 22:24:58,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:24:58,781 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] [2022-12-13 22:24:58,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 22:24:58,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 22:24:58,983 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:24:58,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:24:58,984 INFO L85 PathProgramCache]: Analyzing trace with hash 811429133, now seen corresponding path program 2 times [2022-12-13 22:24:58,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:24:58,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764689615] [2022-12-13 22:24:58,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:24:58,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:24:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:24:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:24:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:24:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:24:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:24:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:24:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:24:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:24:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:24:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:24:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:24:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:24:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:24:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:24:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:24:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:24:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:24:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:24:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:24:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:25:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-12-13 22:25:00,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:00,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764689615] [2022-12-13 22:25:00,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764689615] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:00,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:25:00,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 22:25:00,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916447768] [2022-12-13 22:25:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:00,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 22:25:00,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:00,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 22:25:00,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:25:00,068 INFO L87 Difference]: Start difference. First operand 22538 states and 29753 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) [2022-12-13 22:25:01,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:25:02,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:25:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:07,463 INFO L93 Difference]: Finished difference Result 49742 states and 67154 transitions. [2022-12-13 22:25:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 22:25:07,463 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 [2022-12-13 22:25:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:07,534 INFO L225 Difference]: With dead ends: 49742 [2022-12-13 22:25:07,534 INFO L226 Difference]: Without dead ends: 27249 [2022-12-13 22:25:07,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-12-13 22:25:07,578 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 764 mSDsluCounter, 3272 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 3314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:07,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 3981 Invalid, 3314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 22:25:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27249 states. [2022-12-13 22:25:08,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27249 to 22860. [2022-12-13 22:25:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22860 states, 16767 states have (on average 1.2785829307568437) internal successors, (21438), 17103 states have internal predecessors, (21438), 4008 states have call successors, (4008), 1825 states have call predecessors, (4008), 2084 states have return successors, (4751), 4211 states have call predecessors, (4751), 4007 states have call successors, (4751) [2022-12-13 22:25:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22860 states to 22860 states and 30197 transitions. [2022-12-13 22:25:08,800 INFO L78 Accepts]: Start accepts. Automaton has 22860 states and 30197 transitions. Word has length 249 [2022-12-13 22:25:08,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:08,801 INFO L495 AbstractCegarLoop]: Abstraction has 22860 states and 30197 transitions. [2022-12-13 22:25:08,801 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) [2022-12-13 22:25:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 22860 states and 30197 transitions. [2022-12-13 22:25:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-12-13 22:25:08,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:08,812 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] [2022-12-13 22:25:08,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 22:25:08,813 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash -716661691, now seen corresponding path program 1 times [2022-12-13 22:25:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416712033] [2022-12-13 22:25:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:25:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:25:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:25:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:25:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:09,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 22:25:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:25:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-12-13 22:25:10,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:10,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416712033] [2022-12-13 22:25:10,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416712033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:10,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:25:10,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 22:25:10,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43328872] [2022-12-13 22:25:10,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:10,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:25:10,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:10,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:25:10,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:25:10,163 INFO L87 Difference]: Start difference. First operand 22860 states and 30197 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 22:25:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:14,848 INFO L93 Difference]: Finished difference Result 49742 states and 67104 transitions. [2022-12-13 22:25:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:25:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (32), 6 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 [2022-12-13 22:25:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:14,908 INFO L225 Difference]: With dead ends: 49742 [2022-12-13 22:25:14,908 INFO L226 Difference]: Without dead ends: 26927 [2022-12-13 22:25:14,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:25:14,942 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 737 mSDsluCounter, 2647 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 2831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:14,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 3349 Invalid, 2831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 22:25:14,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26927 states. [2022-12-13 22:25:15,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26927 to 22734. [2022-12-13 22:25:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22734 states, 16641 states have (on average 1.2739619013280452) internal successors, (21200), 16963 states have internal predecessors, (21200), 4008 states have call successors, (4008), 1825 states have call predecessors, (4008), 2084 states have return successors, (4726), 4225 states have call predecessors, (4726), 4007 states have call successors, (4726) [2022-12-13 22:25:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22734 states to 22734 states and 29934 transitions. [2022-12-13 22:25:15,998 INFO L78 Accepts]: Start accepts. Automaton has 22734 states and 29934 transitions. Word has length 250 [2022-12-13 22:25:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:15,999 INFO L495 AbstractCegarLoop]: Abstraction has 22734 states and 29934 transitions. [2022-12-13 22:25:15,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 22:25:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 22734 states and 29934 transitions. [2022-12-13 22:25:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-13 22:25:16,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:16,010 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 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] [2022-12-13 22:25:16,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 22:25:16,010 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:16,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:16,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1459988174, now seen corresponding path program 1 times [2022-12-13 22:25:16,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:16,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051334085] [2022-12-13 22:25:16,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:16,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:25:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:25:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:25:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:25:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:25:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:25:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:25:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-12-13 22:25:16,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:16,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051334085] [2022-12-13 22:25:16,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051334085] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:25:16,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255950038] [2022-12-13 22:25:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:16,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:25:16,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:25:16,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:25:16,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 22:25:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:17,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 2216 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 22:25:17,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:25:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-12-13 22:25:17,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:25:17,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255950038] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:17,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:25:17,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-12-13 22:25:17,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470760243] [2022-12-13 22:25:17,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:17,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:25:17,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:17,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:25:17,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:25:17,255 INFO L87 Difference]: Start difference. First operand 22734 states and 29934 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 22:25:18,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:18,487 INFO L93 Difference]: Finished difference Result 34291 states and 45155 transitions. [2022-12-13 22:25:18,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:25:18,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 258 [2022-12-13 22:25:18,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:18,508 INFO L225 Difference]: With dead ends: 34291 [2022-12-13 22:25:18,509 INFO L226 Difference]: Without dead ends: 11590 [2022-12-13 22:25:18,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-13 22:25:18,532 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:18,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:25:18,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11590 states. [2022-12-13 22:25:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11590 to 11433. [2022-12-13 22:25:18,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11433 states, 8371 states have (on average 1.2766694540676145) internal successors, (10687), 8532 states have internal predecessors, (10687), 2013 states have call successors, (2013), 919 states have call predecessors, (2013), 1048 states have return successors, (2370), 2121 states have call predecessors, (2370), 2012 states have call successors, (2370) [2022-12-13 22:25:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11433 states to 11433 states and 15070 transitions. [2022-12-13 22:25:19,001 INFO L78 Accepts]: Start accepts. Automaton has 11433 states and 15070 transitions. Word has length 258 [2022-12-13 22:25:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:19,001 INFO L495 AbstractCegarLoop]: Abstraction has 11433 states and 15070 transitions. [2022-12-13 22:25:19,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 22:25:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 11433 states and 15070 transitions. [2022-12-13 22:25:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-13 22:25:19,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:19,008 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 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] [2022-12-13 22:25:19,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 22:25:19,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 22:25:19,209 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:19,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:19,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2048981232, now seen corresponding path program 1 times [2022-12-13 22:25:19,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:19,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264031062] [2022-12-13 22:25:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:19,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:25:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:25:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:25:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:25:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:25:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:25:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:25:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-12-13 22:25:19,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:19,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264031062] [2022-12-13 22:25:19,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264031062] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:25:19,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368866677] [2022-12-13 22:25:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:19,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:25:19,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:25:19,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:25:19,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 22:25:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:20,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 22:25:20,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:25:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 88 proven. 10 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-12-13 22:25:20,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:25:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-12-13 22:25:21,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368866677] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:25:21,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 22:25:21,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8, 9] total 23 [2022-12-13 22:25:21,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048388341] [2022-12-13 22:25:21,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:21,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 22:25:21,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 22:25:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-12-13 22:25:21,153 INFO L87 Difference]: Start difference. First operand 11433 states and 15070 transitions. Second operand has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-12-13 22:25:28,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:28,909 INFO L93 Difference]: Finished difference Result 32317 states and 45981 transitions. [2022-12-13 22:25:28,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 22:25:28,910 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) Word has length 258 [2022-12-13 22:25:28,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:28,982 INFO L225 Difference]: With dead ends: 32317 [2022-12-13 22:25:28,982 INFO L226 Difference]: Without dead ends: 24483 [2022-12-13 22:25:29,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2022-12-13 22:25:29,003 INFO L413 NwaCegarLoop]: 1512 mSDtfsCounter, 5495 mSDsluCounter, 7187 mSDsCounter, 0 mSdLazyCounter, 7334 mSolverCounterSat, 2631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5646 SdHoareTripleChecker+Valid, 8699 SdHoareTripleChecker+Invalid, 9965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2631 IncrementalHoareTripleChecker+Valid, 7334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:29,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5646 Valid, 8699 Invalid, 9965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2631 Valid, 7334 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-12-13 22:25:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24483 states. [2022-12-13 22:25:30,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24483 to 16485. [2022-12-13 22:25:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16485 states, 11982 states have (on average 1.2700717743281589) internal successors, (15218), 12290 states have internal predecessors, (15218), 3008 states have call successors, (3008), 1224 states have call predecessors, (3008), 1494 states have return successors, (3720), 3208 states have call predecessors, (3720), 3007 states have call successors, (3720) [2022-12-13 22:25:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16485 states to 16485 states and 21946 transitions. [2022-12-13 22:25:30,051 INFO L78 Accepts]: Start accepts. Automaton has 16485 states and 21946 transitions. Word has length 258 [2022-12-13 22:25:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:30,051 INFO L495 AbstractCegarLoop]: Abstraction has 16485 states and 21946 transitions. [2022-12-13 22:25:30,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.363636363636363) internal successors, (136), 11 states have internal predecessors, (136), 7 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (32), 5 states have call predecessors, (32), 6 states have call successors, (32) [2022-12-13 22:25:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 16485 states and 21946 transitions. [2022-12-13 22:25:30,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-12-13 22:25:30,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:30,058 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 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] [2022-12-13 22:25:30,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 22:25:30,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 22:25:30,260 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:30,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:30,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1858616382, now seen corresponding path program 1 times [2022-12-13 22:25:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:30,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570043306] [2022-12-13 22:25:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:25:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:25:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:25:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:25:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 22:25:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 22:25:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-12-13 22:25:31,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:31,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570043306] [2022-12-13 22:25:31,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570043306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:31,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:25:31,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:25:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575481685] [2022-12-13 22:25:31,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:31,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:25:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:25:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:25:31,325 INFO L87 Difference]: Start difference. First operand 16485 states and 21946 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 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) [2022-12-13 22:25:41,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:41,185 INFO L93 Difference]: Finished difference Result 38466 states and 51686 transitions. [2022-12-13 22:25:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 22:25:41,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 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 247 [2022-12-13 22:25:41,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:41,246 INFO L225 Difference]: With dead ends: 38466 [2022-12-13 22:25:41,246 INFO L226 Difference]: Without dead ends: 22041 [2022-12-13 22:25:41,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:25:41,280 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1777 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 6343 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 4143 SdHoareTripleChecker+Invalid, 7131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 6343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:41,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 4143 Invalid, 7131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 6343 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-12-13 22:25:41,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22041 states. [2022-12-13 22:25:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22041 to 17934. [2022-12-13 22:25:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17934 states, 12927 states have (on average 1.2589928057553956) internal successors, (16275), 13277 states have internal predecessors, (16275), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-12-13 22:25:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17934 states to 17934 states and 23647 transitions. [2022-12-13 22:25:42,435 INFO L78 Accepts]: Start accepts. Automaton has 17934 states and 23647 transitions. Word has length 247 [2022-12-13 22:25:42,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:42,436 INFO L495 AbstractCegarLoop]: Abstraction has 17934 states and 23647 transitions. [2022-12-13 22:25:42,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 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) [2022-12-13 22:25:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17934 states and 23647 transitions. [2022-12-13 22:25:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-12-13 22:25:42,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:42,442 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] [2022-12-13 22:25:42,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 22:25:42,443 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1402782726, now seen corresponding path program 1 times [2022-12-13 22:25:42,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:42,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627809589] [2022-12-13 22:25:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:42,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 22:25:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 22:25:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 22:25:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 22:25:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:25:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:25:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:25:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-12-13 22:25:43,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:43,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627809589] [2022-12-13 22:25:43,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627809589] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:25:43,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735024529] [2022-12-13 22:25:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:43,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:25:43,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:25:43,075 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:25:43,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 22:25:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:43,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 22:25:43,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:25:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-12-13 22:25:43,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:25:43,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735024529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:25:43,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:25:43,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-12-13 22:25:43,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226159553] [2022-12-13 22:25:43,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:25:43,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:25:43,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:25:43,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:25:43,587 INFO L87 Difference]: Start difference. First operand 17934 states and 23647 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) [2022-12-13 22:25:44,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:44,643 INFO L93 Difference]: Finished difference Result 35917 states and 47417 transitions. [2022-12-13 22:25:44,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:25:44,644 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 [2022-12-13 22:25:44,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:44,685 INFO L225 Difference]: With dead ends: 35917 [2022-12-13 22:25:44,685 INFO L226 Difference]: Without dead ends: 17963 [2022-12-13 22:25:44,712 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 [2022-12-13 22:25:44,713 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 [2022-12-13 22:25:44,713 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] [2022-12-13 22:25:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17963 states. [2022-12-13 22:25:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17963 to 17963. [2022-12-13 22:25:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17963 states, 12956 states have (on average 1.2584130904600186) internal successors, (16304), 13306 states have internal predecessors, (16304), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-12-13 22:25:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17963 states to 17963 states and 23676 transitions. [2022-12-13 22:25:45,745 INFO L78 Accepts]: Start accepts. Automaton has 17963 states and 23676 transitions. Word has length 257 [2022-12-13 22:25:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:45,745 INFO L495 AbstractCegarLoop]: Abstraction has 17963 states and 23676 transitions. [2022-12-13 22:25:45,746 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) [2022-12-13 22:25:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 17963 states and 23676 transitions. [2022-12-13 22:25:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-13 22:25:45,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:45,752 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] [2022-12-13 22:25:45,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 22:25:45,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 22:25:45,954 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:45,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1449251808, now seen corresponding path program 1 times [2022-12-13 22:25:45,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:45,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262940467] [2022-12-13 22:25:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:25:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:25:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:25:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:25:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:25:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:25:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:25:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:25:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:25:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:25:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:25:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:25:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 22:25:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 22:25:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 22:25:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 22:25:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:25:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:25:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:25:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:25:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:25:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:25:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:25:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:25:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-12-13 22:25:46,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:25:46,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262940467] [2022-12-13 22:25:46,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262940467] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:25:46,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929181692] [2022-12-13 22:25:46,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:25:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:25:46,670 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:25:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 22:25:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:25:47,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 22:25:47,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:25:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 136 proven. 3 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-13 22:25:47,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:25:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-12-13 22:25:47,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929181692] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:25:47,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:25:47,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-12-13 22:25:47,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142389365] [2022-12-13 22:25:47,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:25:47,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 22:25:47,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:25:47,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 22:25:47,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2022-12-13 22:25:47,536 INFO L87 Difference]: Start difference. First operand 17963 states and 23676 transitions. Second operand has 14 states, 14 states have (on average 16.214285714285715) internal successors, (227), 10 states have internal predecessors, (227), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-13 22:25:49,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:25:51,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:25:57,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:25:57,045 INFO L93 Difference]: Finished difference Result 38704 states and 51717 transitions. [2022-12-13 22:25:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:25:57,046 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.214285714285715) internal successors, (227), 10 states have internal predecessors, (227), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 259 [2022-12-13 22:25:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:25:57,093 INFO L225 Difference]: With dead ends: 38704 [2022-12-13 22:25:57,093 INFO L226 Difference]: Without dead ends: 20719 [2022-12-13 22:25:57,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 571 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-12-13 22:25:57,123 INFO L413 NwaCegarLoop]: 696 mSDtfsCounter, 284 mSDsluCounter, 5178 mSDsCounter, 0 mSdLazyCounter, 4234 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 5874 SdHoareTripleChecker+Invalid, 4437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 4234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:25:57,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 5874 Invalid, 4437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 4234 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-13 22:25:57,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2022-12-13 22:25:58,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 17994. [2022-12-13 22:25:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17994 states, 12987 states have (on average 1.2577962577962578) internal successors, (16335), 13337 states have internal predecessors, (16335), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1725 states have return successors, (4091), 3495 states have call predecessors, (4091), 3280 states have call successors, (4091) [2022-12-13 22:25:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17994 states to 17994 states and 23707 transitions. [2022-12-13 22:25:58,241 INFO L78 Accepts]: Start accepts. Automaton has 17994 states and 23707 transitions. Word has length 259 [2022-12-13 22:25:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:25:58,242 INFO L495 AbstractCegarLoop]: Abstraction has 17994 states and 23707 transitions. [2022-12-13 22:25:58,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.214285714285715) internal successors, (227), 10 states have internal predecessors, (227), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-13 22:25:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 17994 states and 23707 transitions. [2022-12-13 22:25:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 22:25:58,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:25:58,248 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] [2022-12-13 22:25:58,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 22:25:58,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:25:58,450 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:25:58,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:25:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash -691212794, now seen corresponding path program 2 times [2022-12-13 22:25:58,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:25:58,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106034893] [2022-12-13 22:25:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:25:58,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:25:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:26:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:26:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:26:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:26:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:26:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:26:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:26:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:26:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:26:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:26:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:26:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:26:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 22:26:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 22:26:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 22:26:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:26:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:26:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:26:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:26:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:26:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:26:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-12-13 22:26:03,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:03,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106034893] [2022-12-13 22:26:03,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106034893] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:26:03,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700539211] [2022-12-13 22:26:03,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 22:26:03,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:26:03,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:26:03,759 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:26:03,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 22:26:04,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 22:26:04,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:26:04,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-13 22:26:04,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:26:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-12-13 22:26:04,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:26:04,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700539211] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:26:04,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:26:04,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [28] total 38 [2022-12-13 22:26:04,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928246959] [2022-12-13 22:26:04,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:04,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 22:26:04,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:04,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 22:26:04,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1316, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 22:26:04,876 INFO L87 Difference]: Start difference. First operand 17994 states and 23707 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) [2022-12-13 22:26:06,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:26:06,366 INFO L93 Difference]: Finished difference Result 37873 states and 51180 transitions. [2022-12-13 22:26:06,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:26:06,367 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 [2022-12-13 22:26:06,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:26:06,410 INFO L225 Difference]: With dead ends: 37873 [2022-12-13 22:26:06,410 INFO L226 Difference]: Without dead ends: 19943 [2022-12-13 22:26:06,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=126, Invalid=1766, Unknown=0, NotChecked=0, Total=1892 [2022-12-13 22:26:06,441 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 26 mSDsluCounter, 12249 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13277 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:26:06,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13277 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:26:06,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19943 states. [2022-12-13 22:26:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19943 to 18316. [2022-12-13 22:26:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18316 states, 13274 states have (on average 1.2495856561699563) internal successors, (16587), 13575 states have internal predecessors, (16587), 3281 states have call successors, (3281), 1406 states have call predecessors, (3281), 1760 states have return successors, (4175), 3579 states have call predecessors, (4175), 3280 states have call successors, (4175) [2022-12-13 22:26:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18316 states to 18316 states and 24043 transitions. [2022-12-13 22:26:07,605 INFO L78 Accepts]: Start accepts. Automaton has 18316 states and 24043 transitions. Word has length 265 [2022-12-13 22:26:07,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:26:07,605 INFO L495 AbstractCegarLoop]: Abstraction has 18316 states and 24043 transitions. [2022-12-13 22:26:07,606 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) [2022-12-13 22:26:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18316 states and 24043 transitions. [2022-12-13 22:26:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-13 22:26:07,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:26:07,612 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] [2022-12-13 22:26:07,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 22:26:07,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 22:26:07,815 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:26:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:26:07,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 1 times [2022-12-13 22:26:07,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:26:07,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499518993] [2022-12-13 22:26:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:07,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:26:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:26:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:26:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:26:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:26:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:26:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:26:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:26:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:26:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:26:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:26:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:26:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:26:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:26:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 22:26:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 22:26:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 22:26:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:26:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:26:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:26:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:26:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 22:26:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:26:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:26:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:26:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:26:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-12-13 22:26:14,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:26:14,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499518993] [2022-12-13 22:26:14,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499518993] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:26:14,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461582557] [2022-12-13 22:26:14,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:26:14,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:26:14,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:26:14,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:26:14,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 22:26:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:26:31,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 142 conjunts are in the unsatisfiable core [2022-12-13 22:26:31,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:26:31,965 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 [2022-12-13 22:26:31,970 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 [2022-12-13 22:26:32,188 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-12-13 22:26:32,189 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 [2022-12-13 22:26:32,204 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-12-13 22:26:32,204 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 [2022-12-13 22:26:32,873 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-12-13 22:26:32,873 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 18 [2022-12-13 22:26:32,881 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-12-13 22:26:32,881 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 27 treesize of output 7 [2022-12-13 22:26:33,519 INFO L321 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-12-13 22:26:33,519 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 [2022-12-13 22:26:33,590 INFO L321 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2022-12-13 22:26:33,591 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 79 treesize of output 60 [2022-12-13 22:26:33,602 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-12-13 22:26:33,602 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 30 treesize of output 10 [2022-12-13 22:26:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-13 22:26:33,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:26:34,502 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 250 treesize of output 246 [2022-12-13 22:26:34,508 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 418 treesize of output 402 [2022-12-13 22:26:35,605 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 258 treesize of output 254 [2022-12-13 22:26:35,611 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 458 treesize of output 442 [2022-12-13 22:26:37,491 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:26:37,492 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 [2022-12-13 22:26:38,997 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 [2022-12-13 22:26:39,003 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 [2022-12-13 22:26:39,697 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 [2022-12-13 22:26:39,702 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 [2022-12-13 22:26:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-13 22:26:40,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461582557] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:26:40,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 22:26:40,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [33, 26] total 78 [2022-12-13 22:26:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70472385] [2022-12-13 22:26:40,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:26:40,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 22:26:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:26:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 22:26:40,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=5532, Unknown=0, NotChecked=0, Total=6006 [2022-12-13 22:26:40,607 INFO L87 Difference]: Start difference. First operand 18316 states and 24043 transitions. Second operand has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 19 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 10 states have call predecessors, (34), 7 states have call successors, (34) [2022-12-13 22:26:42,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:26:44,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:26:49,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:26:51,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:27:26,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:27:26,244 INFO L93 Difference]: Finished difference Result 35351 states and 46942 transitions. [2022-12-13 22:27:26,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-12-13 22:27:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 19 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 10 states have call predecessors, (34), 7 states have call successors, (34) Word has length 277 [2022-12-13 22:27:26,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:27:26,288 INFO L225 Difference]: With dead ends: 35351 [2022-12-13 22:27:26,289 INFO L226 Difference]: Without dead ends: 20906 [2022-12-13 22:27:26,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 567 SyntacticMatches, 4 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4621 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=1029, Invalid=11853, Unknown=0, NotChecked=0, Total=12882 [2022-12-13 22:27:26,314 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 2812 mSDsluCounter, 9246 mSDsCounter, 0 mSdLazyCounter, 12003 mSolverCounterSat, 1716 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 10183 SdHoareTripleChecker+Invalid, 13721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1716 IncrementalHoareTripleChecker+Valid, 12003 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:27:26,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2926 Valid, 10183 Invalid, 13721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1716 Valid, 12003 Invalid, 2 Unknown, 0 Unchecked, 37.4s Time] [2022-12-13 22:27:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20906 states. [2022-12-13 22:27:28,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20906 to 18540. [2022-12-13 22:27:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18540 states, 13442 states have (on average 1.2490700788573128) internal successors, (16790), 13750 states have internal predecessors, (16790), 3316 states have call successors, (3316), 1406 states have call predecessors, (3316), 1781 states have return successors, (4329), 3628 states have call predecessors, (4329), 3315 states have call successors, (4329) [2022-12-13 22:27:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18540 states to 18540 states and 24435 transitions. [2022-12-13 22:27:28,730 INFO L78 Accepts]: Start accepts. Automaton has 18540 states and 24435 transitions. Word has length 277 [2022-12-13 22:27:28,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:27:28,730 INFO L495 AbstractCegarLoop]: Abstraction has 18540 states and 24435 transitions. [2022-12-13 22:27:28,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 19 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 10 states have call predecessors, (34), 7 states have call successors, (34) [2022-12-13 22:27:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 18540 states and 24435 transitions. [2022-12-13 22:27:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-13 22:27:28,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:27:28,737 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] [2022-12-13 22:27:28,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 22:27:28,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:27:28,939 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:27:28,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:27:28,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1373044522, now seen corresponding path program 1 times [2022-12-13 22:27:28,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:27:28,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439416132] [2022-12-13 22:27:28,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:27:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:27:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:27:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 22:27:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:27:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 22:27:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 22:27:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 22:27:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 22:27:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 22:27:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 22:27:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 22:27:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 22:27:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 22:27:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:27:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 22:27:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 22:27:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 22:27:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 22:27:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 22:27:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:27:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 22:27:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 22:27:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:27:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 22:27:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 22:27:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 22:27:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 22:27:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 22:27:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:27:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:27:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:27:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:27:30,145 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-12-13 22:27:30,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:27:30,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439416132] [2022-12-13 22:27:30,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439416132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:27:30,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:27:30,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:27:30,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017367282] [2022-12-13 22:27:30,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:27:30,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:27:30,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:27:30,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:27:30,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:27:30,147 INFO L87 Difference]: Start difference. First operand 18540 states and 24435 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) [2022-12-13 22:27:31,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:34,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:27:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:27:40,977 INFO L93 Difference]: Finished difference Result 42131 states and 57381 transitions. [2022-12-13 22:27:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:27:40,978 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 [2022-12-13 22:27:40,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:27:41,027 INFO L225 Difference]: With dead ends: 42131 [2022-12-13 22:27:41,028 INFO L226 Difference]: Without dead ends: 23655 [2022-12-13 22:27:41,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-12-13 22:27:41,061 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 576 mSDsluCounter, 4462 mSDsCounter, 0 mSdLazyCounter, 4241 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 4667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 4241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:27:41,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 5157 Invalid, 4667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 4241 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-12-13 22:27:41,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23655 states. [2022-12-13 22:27:43,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23655 to 18897. [2022-12-13 22:27:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18897 states, 13729 states have (on average 1.2438633549420934) internal successors, (17077), 13981 states have internal predecessors, (17077), 3316 states have call successors, (3316), 1406 states have call predecessors, (3316), 1851 states have return successors, (4550), 3754 states have call predecessors, (4550), 3315 states have call successors, (4550) [2022-12-13 22:27:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18897 states to 18897 states and 24943 transitions. [2022-12-13 22:27:43,814 INFO L78 Accepts]: Start accepts. Automaton has 18897 states and 24943 transitions. Word has length 300 [2022-12-13 22:27:43,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:27:43,814 INFO L495 AbstractCegarLoop]: Abstraction has 18897 states and 24943 transitions. [2022-12-13 22:27:43,814 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) [2022-12-13 22:27:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 18897 states and 24943 transitions. [2022-12-13 22:27:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-13 22:27:43,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:27:43,821 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] [2022-12-13 22:27:43,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 22:27:43,821 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:27:43,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:27:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash -528626198, now seen corresponding path program 1 times [2022-12-13 22:27:43,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:27:43,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258384830] [2022-12-13 22:27:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:27:43,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:27:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:27:45,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:27:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:27:46,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:27:46,498 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:27:46,499 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 22:27:46,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 22:27:46,502 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:27:46,505 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:27:46,571 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 22:27:46,572 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 22:27:46,588 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,588 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,588 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,588 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,589 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-12-13 22:27:46,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:27:46 BoogieIcfgContainer [2022-12-13 22:27:46,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:27:46,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:27:46,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:27:46,742 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:27:46,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:23:52" (3/4) ... [2022-12-13 22:27:46,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:27:46,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:27:46,745 INFO L158 Benchmark]: Toolchain (without parser) took 238514.32ms. Allocated memory was 130.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 80.0MB in the beginning and 926.7MB in the end (delta: -846.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-12-13 22:27:46,745 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:27:46,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.12ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 79.6MB in the beginning and 96.5MB in the end (delta: -16.9MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2022-12-13 22:27:46,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.65ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 85.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:27:46,746 INFO L158 Benchmark]: Boogie Preprocessor took 94.15ms. Allocated memory is still 157.3MB. Free memory was 85.2MB in the beginning and 70.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:27:46,746 INFO L158 Benchmark]: RCFGBuilder took 2507.54ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 70.6MB in the beginning and 69.7MB in the end (delta: 881.1kB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2022-12-13 22:27:46,746 INFO L158 Benchmark]: TraceAbstraction took 234501.36ms. Allocated memory was 226.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 68.6MB in the beginning and 927.7MB in the end (delta: -859.1MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-12-13 22:27:46,746 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 2.1GB. Free memory was 927.7MB in the beginning and 926.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:27:46,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.12ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 79.6MB in the beginning and 96.5MB in the end (delta: -16.9MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.65ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 85.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.15ms. Allocated memory is still 157.3MB. Free memory was 85.2MB in the beginning and 70.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2507.54ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 70.6MB in the beginning and 69.7MB in the end (delta: 881.1kB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * TraceAbstraction took 234501.36ms. Allocated memory was 226.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 68.6MB in the beginning and 927.7MB in the end (delta: -859.1MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 2.1GB. Free memory was 927.7MB in the beginning and 926.7MB 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={60:0}, ldvarg2={61:0}, 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={60:0}, ldvarg2={61:0}, 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={60:0}, ldvarg1={0:0}, ldvarg2={61:0}, 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={60:0}, ldvarg1={0:0}, ldvarg2={61:0}, 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={60:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, 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={60:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, 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={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, 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={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, 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={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, 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={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, 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=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, 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=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={60:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, ldv_func_arg2={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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)={-63:-2049}, 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={4294967343:4294967307}, ar_usb={-63:-2049}, ar_usb={-63:-2049}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, 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={4294967343:4294967307}, 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={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=0, \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={4294967343:4294967307}, 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={0:0}, lock={0:0}, 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={4294967343:4294967307}, 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={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={0:0}, 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={4294967343:4294967307}, arg0={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] [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={4294967343:4294967307}, _raw_spin_lock_irqsave(tmp)=4294967335, 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={-63:0}, pipe={-63:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, 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={-18446744073709551615:56}, __this_module={4294967343:4294967307}, 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=4294967335, 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={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={-18446744073709551615:56}, __this_module={4294967343:4294967307}, 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=4294967335, 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={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, usb_counter=0] [L6901] return (urb_context); VAL [\old(last_index)=0, \result={-18446744073709551615:56}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={-18446744073709551615:56}, __this_module={4294967343:4294967307}, 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=4294967335, 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={-63:0}, pipe={-63:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, ath6kl_usb_alloc_urb_from_pipe(recv_pipe)={-18446744073709551615:56}, 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={-63:0}, recv_pipe={-63:0}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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)={-63:0}, 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={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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)={-63:0}, 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={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, tmp___0=0, usb_counter=0] [L6740] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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)={-63:0}, 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={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, 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={4294967343:4294967307}, 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 ))={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, tmp___7={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, e={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, e={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, e={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, e={-63:0}, 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={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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={-63:0}, tmp___7={-63:0}, 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={4294967343:4294967307}, 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()={-63:0}, 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={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6723] return (p); VAL [\old(last_index)=0, \old(size)=184, \result={-18446744073709551615:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, 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={4294967343:4294967307}, 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))={-18446744073709551615:0}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, usb_alloc_urb(0, 32U)={-18446744073709551615:0}, 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={4294967304:4294967331}, (urb_context->skb)->data={-63:4294967300}, \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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, recv_pipe->ar_usb={0:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, 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)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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={-18446744073709551615:56}, dev={4294967304:4294967331}, 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={-63:4294967300}, urb={-18446744073709551615:0}, 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)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __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={4294967343:4294967307}, 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={-18446744073709551615:56}, context={-18446744073709551615:56}, dev={4294967304:4294967331}, dev={4294967304:4294967331}, 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=0, ref_cnt=0, set_impl={58:0}, transfer_buffer={-63:4294967300}, transfer_buffer={-63:4294967300}, urb={-18446744073709551615:0}, urb={-18446744073709551615:0}, 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={4294967304:4294967331}, (urb_context->skb)->data={-63:4294967300}, \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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, recv_pipe->ar_usb={0:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, arg0={-18446744073709551615:0}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_submit_urb(urb, 32U)=63] [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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [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={4294967343:4294967307}, 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={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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]={-63:0}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, e={-63:62}, 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={4294967343:4294967307}, 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={-63:62}, skb={-63:62}, 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={4294967343:4294967307}, 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={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:62}, 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={4294967343:4294967307}, 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={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->pipe={-18446744073709551615:0}, 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={4294967343:4294967307}, 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={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=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, __this_module={4294967343:4294967307}, 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={0:0}, lock={0:0}, 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={4294967343:4294967307}, 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={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, arg0={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] [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={4294967343:4294967307}, _raw_spin_lock_irqsave(tmp)=4294967310, 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={-18446744073709551615:0}, pipe={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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=4294967310, 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={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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=4294967310, 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={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, 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={4294967343:4294967307}, 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={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->pipe={-18446744073709551615:0}, 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={4294967343:4294967307}, 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={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [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={4294967343:4294967307}, ar_usb={-63:-2049}, ar_usb={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={-63:-2049}, 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={-63:-2049}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=0, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, 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=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=0, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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={4294967343:4294967307}, 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: 234.2s, OverallIterations: 21, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 152.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 32364 SdHoareTripleChecker+Valid, 120.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30861 mSDsluCounter, 93532 SdHoareTripleChecker+Invalid, 112.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75607 mSDsCounter, 15978 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63889 IncrementalHoareTripleChecker+Invalid, 79870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15978 mSolverCounterUnsat, 17925 mSDtfsCounter, 63889 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4850 GetRequests, 4440 SyntacticMatches, 8 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5668 ImplicationChecksByTransitivity, 13.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22860occurred in iteration=11, InterpolantAutomatonStates: 257, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 61079 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 20.7s SatisfiabilityAnalysisTime, 34.7s InterpolantComputationTime, 7099 NumberOfCodeBlocks, 6922 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 8036 ConstructedInterpolants, 14 QuantifiedInterpolants, 22807 SizeOfPredicates, 73 NumberOfNonLiveVariables, 16687 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 33 InterpolantComputations, 18 PerfectInterpolantSequences, 13070/13126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 22:27:46,962 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-13 22:27:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-13 22:27:48,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:27:48,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:27:48,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:27:48,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:27:48,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:27:48,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:27:48,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:27:48,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:27:48,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:27:48,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:27:48,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:27:48,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:27:48,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:27:48,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:27:48,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:27:48,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:27:48,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:27:48,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:27:48,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:27:48,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:27:48,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:27:48,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:27:48,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:27:48,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:27:48,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:27:48,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:27:48,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:27:48,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:27:48,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:27:48,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:27:48,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:27:48,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:27:48,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:27:48,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:27:48,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:27:48,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:27:48,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:27:48,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:27:48,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:27:48,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:27:48,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 22:27:48,615 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:27:48,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:27:48,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:27:48,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:27:48,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:27:48,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:27:48,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:27:48,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:27:48,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:27:48,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:27:48,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:27:48,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:27:48,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:27:48,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:27:48,626 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:27:48,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:27:48,626 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:27:48,626 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:27:48,626 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_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-12-13 22:27:48,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:27:48,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:27:48,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:27:48,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:27:48,894 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:27:48,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-12-13 22:27:51,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:27:51,855 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:27:51,856 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/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 [2022-12-13 22:27:51,877 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/9d9208ba8/b7e520e43803464991457028f44cd8a9/FLAGb8910ac9f [2022-12-13 22:27:51,888 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/data/9d9208ba8/b7e520e43803464991457028f44cd8a9 [2022-12-13 22:27:51,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:27:51,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:27:51,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:27:51,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:27:51,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:27:51,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:27:51" (1/1) ... [2022-12-13 22:27:51,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6b9909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:51, skipping insertion in model container [2022-12-13 22:27:51,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:27:51" (1/1) ... [2022-12-13 22:27:51,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:27:51,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:27:52,407 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 22:27:52,468 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:27:52,498 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 22:27:52,523 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:52,597 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:52,692 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_b822d019-5196-43e5-952a-5a4d6624286d/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] [2022-12-13 22:27:52,764 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:27:52,773 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:52,857 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:52,858 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 22:27:52,862 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:52,865 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:52,874 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,878 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,879 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,880 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:52,892 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,893 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,895 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,896 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,906 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:52,907 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,908 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:52,908 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:52,908 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,908 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:52,909 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:52,909 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:52,913 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 22:27:52,913 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-12-13 22:27:52,918 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,919 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,920 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:27:52,920 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:52,924 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,925 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,926 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:52,930 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,930 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-12-13 22:27:52,930 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,931 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-12-13 22:27:52,934 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:52,935 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:52,935 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:52,939 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:52,940 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 22:27:52,941 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 22:27:52,946 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-12-13 22:27:52,946 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:27:52,946 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-12-13 22:27:52,954 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,954 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,955 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:52,957 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,957 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:52,958 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:52,958 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:52,958 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:52,959 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:52,989 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 22:27:52,990 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:52,991 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:52,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:52,992 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,002 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:53,003 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,003 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,003 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,015 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,021 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,027 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,032 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,064 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 22:27:53,065 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,066 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,066 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,067 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,067 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,068 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-12-13 22:27:53,068 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,069 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-12-13 22:27:53,070 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,070 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-12-13 22:27:53,070 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,075 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,096 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-13 22:27:53,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,133 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-13 22:27:53,135 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,135 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,135 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,136 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,136 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,136 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,137 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,137 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 22:27:53,138 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 22:27:53,193 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,198 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,200 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,206 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,207 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:27:53,245 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 22:27:53,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:27:53,387 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 22:27:53,388 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:27:53,389 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 22:27:53,390 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,392 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,395 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_b822d019-5196-43e5-952a-5a4d6624286d/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] [2022-12-13 22:27:53,397 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:27:53,398 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,400 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:53,406 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 22:27:53,407 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:53,408 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,409 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,410 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,411 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,411 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,413 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,414 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,415 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,416 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,422 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:53,422 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,423 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:53,423 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:53,424 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,424 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:53,424 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,425 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,425 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 22:27:53,425 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-12-13 22:27:53,426 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,427 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,428 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:27:53,429 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:53,430 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,430 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,431 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:53,432 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,432 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-12-13 22:27:53,433 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,433 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-12-13 22:27:53,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,435 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,435 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,436 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 22:27:53,436 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 22:27:53,437 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-12-13 22:27:53,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:27:53,438 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-12-13 22:27:53,439 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,440 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,440 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:53,441 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,441 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:53,442 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:53,442 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,442 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:53,442 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,445 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 22:27:53,446 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:53,447 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,447 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,447 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,448 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:53,449 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,449 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,449 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,451 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,452 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,453 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,454 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,455 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 22:27:53,456 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,456 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,457 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,464 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,464 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,465 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-12-13 22:27:53,465 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,466 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-12-13 22:27:53,466 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,467 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-12-13 22:27:53,467 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,467 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,471 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-13 22:27:53,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,483 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-13 22:27:53,484 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,485 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,485 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,485 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,486 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,486 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,486 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,487 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 22:27:53,487 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 22:27:53,493 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,499 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:27:53,513 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:27:53,642 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 22:27:53,643 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 22:27:53,643 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 22:27:53,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,646 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,647 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_b822d019-5196-43e5-952a-5a4d6624286d/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] [2022-12-13 22:27:53,650 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 22:27:53,650 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,658 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:53,659 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 22:27:53,660 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 22:27:53,660 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,662 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,662 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,663 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,663 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,680 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,681 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,682 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,683 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,691 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:53,693 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,693 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:53,693 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:53,694 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,694 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:53,694 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,694 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,695 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 22:27:53,695 WARN L623 FunctionHandler]: Unknown extern function flush_scheduled_work [2022-12-13 22:27:53,696 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,697 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,697 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 22:27:53,697 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:53,698 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,698 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,699 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 22:27:53,703 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,704 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_tx_complete [2022-12-13 22:27:53,704 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,704 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_rx_complete [2022-12-13 22:27:53,705 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,705 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,705 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,706 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 22:27:53,707 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 22:27:53,707 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 22:27:53,709 WARN L623 FunctionHandler]: Unknown extern function ath6kl_stop_txrx [2022-12-13 22:27:53,709 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 22:27:53,709 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_cleanup [2022-12-13 22:27:53,711 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,711 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,712 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 22:27:53,713 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,713 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 22:27:53,713 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 22:27:53,714 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,714 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 22:27:53,714 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 22:27:53,717 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 22:27:53,718 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:53,718 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,719 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,719 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,720 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 22:27:53,721 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,721 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,721 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 22:27:53,723 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,724 WARN L623 FunctionHandler]: Unknown extern function ath6kl_warn [2022-12-13 22:27:53,725 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,726 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,728 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-13 22:27:53,728 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,728 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,729 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,729 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,729 WARN L623 FunctionHandler]: Unknown extern function ath6kl_dbg [2022-12-13 22:27:53,730 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_create [2022-12-13 22:27:53,730 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,738 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_init [2022-12-13 22:27:53,739 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,739 WARN L623 FunctionHandler]: Unknown extern function ath6kl_core_destroy [2022-12-13 22:27:53,739 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,740 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-13 22:27:53,743 WARN L623 FunctionHandler]: Unknown extern function ath6kl_err [2022-12-13 22:27:53,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-13 22:27:53,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 22:27:53,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-12-13 22:27:53,754 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_2 [2022-12-13 22:27:53,754 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,755 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,755 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,755 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,756 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-13 22:27:53,756 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,756 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,756 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 22:27:53,757 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 22:27:53,761 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_alloc [2022-12-13 22:27:53,763 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,764 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,765 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,765 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 22:27:53,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:27:53,801 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:27:53,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53 WrapperNode [2022-12-13 22:27:53,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:27:53,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:27:53,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:27:53,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:27:53,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,884 INFO L138 Inliner]: procedures = 189, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1814 [2022-12-13 22:27:53,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:27:53,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:27:53,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:27:53,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:27:53,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:53,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:54,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:54,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:54,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:27:54,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:27:54,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:27:54,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:27:54,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (1/1) ... [2022-12-13 22:27:54,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:27:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:27:54,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:27:54,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-12-13 22:27:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 22:27:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-12-13 22:27:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 22:27:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 22:27:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 22:27:54,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 22:27:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-12-13 22:27:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-12-13 22:27:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-12-13 22:27:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-12-13 22:27:54,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 22:27:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 22:27:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-12-13 22:27:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-12-13 22:27:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-12-13 22:27:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-12-13 22:27:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 22:27:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 22:27:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 22:27:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-12-13 22:27:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-12-13 22:27:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 22:27:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-12-13 22:27:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-12-13 22:27:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-12-13 22:27:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-12-13 22:27:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 22:27:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 22:27:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 22:27:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-13 22:27:54,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-12-13 22:27:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-12-13 22:27:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 22:27:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 22:27:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 22:27:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 22:27:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-12-13 22:27:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 22:27:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 22:27:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 22:27:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-12-13 22:27:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 22:27:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 22:27:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 22:27:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 22:27:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 22:27:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 22:27:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:27:54,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:27:54,548 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:27:54,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:27:54,741 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 22:28:10,156 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:28:10,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:28:10,164 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 22:28:10,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:28:10 BoogieIcfgContainer [2022-12-13 22:28:10,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:28:10,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:28:10,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:28:10,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:28:10,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:27:51" (1/3) ... [2022-12-13 22:28:10,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539d880d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:28:10, skipping insertion in model container [2022-12-13 22:28:10,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:27:53" (2/3) ... [2022-12-13 22:28:10,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539d880d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:28:10, skipping insertion in model container [2022-12-13 22:28:10,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:28:10" (3/3) ... [2022-12-13 22:28:10,172 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 [2022-12-13 22:28:10,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:28:10,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:28:10,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:28:10,232 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;@19e3238f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:28:10,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:28:10,237 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) [2022-12-13 22:28:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-13 22:28:10,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:10,246 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] [2022-12-13 22:28:10,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:10,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:10,250 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-12-13 22:28:10,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:10,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692072110] [2022-12-13 22:28:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:10,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:10,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:10,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:10,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 22:28:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:10,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:28:10,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-12-13 22:28:10,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:10,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:10,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692072110] [2022-12-13 22:28:10,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1692072110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:10,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:10,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:28:10,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958760187] [2022-12-13 22:28:10,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:10,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:28:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:10,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:28:10,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:28:10,962 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) [2022-12-13 22:28:11,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:11,182 INFO L93 Difference]: Finished difference Result 1450 states and 2075 transitions. [2022-12-13 22:28:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:28:11,185 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 [2022-12-13 22:28:11,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:11,197 INFO L225 Difference]: With dead ends: 1450 [2022-12-13 22:28:11,197 INFO L226 Difference]: Without dead ends: 716 [2022-12-13 22:28:11,203 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 [2022-12-13 22:28:11,205 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, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:11,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2985 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:28:11,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-12-13 22:28:11,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-12-13 22:28:11,277 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) [2022-12-13 22:28:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 987 transitions. [2022-12-13 22:28:11,285 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 987 transitions. Word has length 96 [2022-12-13 22:28:11,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:11,286 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 987 transitions. [2022-12-13 22:28:11,287 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) [2022-12-13 22:28:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 987 transitions. [2022-12-13 22:28:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 22:28:11,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:11,291 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] [2022-12-13 22:28:11,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:28:11,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:11,494 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:11,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:11,496 INFO L85 PathProgramCache]: Analyzing trace with hash -272364844, now seen corresponding path program 1 times [2022-12-13 22:28:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:11,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525677677] [2022-12-13 22:28:11,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:11,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:11,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 22:28:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:12,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:28:12,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-12-13 22:28:12,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:28:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-13 22:28:12,621 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:12,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525677677] [2022-12-13 22:28:12,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525677677] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:28:12,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 22:28:12,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 22:28:12,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874586883] [2022-12-13 22:28:12,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 22:28:12,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 22:28:12,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:12,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 22:28:12,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:28:12,624 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) [2022-12-13 22:28:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:13,124 INFO L93 Difference]: Finished difference Result 1416 states and 1959 transitions. [2022-12-13 22:28:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 22:28:13,125 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 [2022-12-13 22:28:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:13,131 INFO L225 Difference]: With dead ends: 1416 [2022-12-13 22:28:13,132 INFO L226 Difference]: Without dead ends: 725 [2022-12-13 22:28:13,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:28:13,134 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 7 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:13,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2943 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:28:13,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-12-13 22:28:13,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2022-12-13 22:28:13,163 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) [2022-12-13 22:28:13,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 998 transitions. [2022-12-13 22:28:13,166 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 998 transitions. Word has length 98 [2022-12-13 22:28:13,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:13,167 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 998 transitions. [2022-12-13 22:28:13,167 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) [2022-12-13 22:28:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 998 transitions. [2022-12-13 22:28:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-13 22:28:13,170 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:13,171 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] [2022-12-13 22:28:13,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 22:28:13,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:13,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2097019950, now seen corresponding path program 2 times [2022-12-13 22:28:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:13,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803867344] [2022-12-13 22:28:13,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 22:28:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:13,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:13,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:13,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 22:28:13,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 22:28:13,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:28:13,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:28:13,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 22:28:13,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:13,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:13,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803867344] [2022-12-13 22:28:13,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803867344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:13,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:13,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:28:13,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854133316] [2022-12-13 22:28:13,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:13,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:28:13,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:28:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:13,858 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) [2022-12-13 22:28:15,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:16,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:16,062 INFO L93 Difference]: Finished difference Result 2079 states and 2865 transitions. [2022-12-13 22:28:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:28:16,062 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 [2022-12-13 22:28:16,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:16,074 INFO L225 Difference]: With dead ends: 2079 [2022-12-13 22:28:16,074 INFO L226 Difference]: Without dead ends: 1392 [2022-12-13 22:28:16,078 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 [2022-12-13 22:28:16,079 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, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:16,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 2100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:28:16,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-12-13 22:28:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2022-12-13 22:28:16,145 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) [2022-12-13 22:28:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1917 transitions. [2022-12-13 22:28:16,150 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1917 transitions. Word has length 104 [2022-12-13 22:28:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:16,151 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1917 transitions. [2022-12-13 22:28:16,151 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) [2022-12-13 22:28:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1917 transitions. [2022-12-13 22:28:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-13 22:28:16,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:16,153 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] [2022-12-13 22:28:16,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 22:28:16,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:16,354 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:16,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:16,354 INFO L85 PathProgramCache]: Analyzing trace with hash 766997817, now seen corresponding path program 1 times [2022-12-13 22:28:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:16,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468573465] [2022-12-13 22:28:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:16,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:16,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:16,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:16,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 22:28:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:16,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:28:16,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-12-13 22:28:17,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:17,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:17,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468573465] [2022-12-13 22:28:17,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468573465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:17,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:17,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:28:17,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184036683] [2022-12-13 22:28:17,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:17,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:28:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:17,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:28:17,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:28:17,279 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) [2022-12-13 22:28:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:17,717 INFO L93 Difference]: Finished difference Result 4097 states and 5677 transitions. [2022-12-13 22:28:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:28:17,717 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 [2022-12-13 22:28:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:17,727 INFO L225 Difference]: With dead ends: 4097 [2022-12-13 22:28:17,727 INFO L226 Difference]: Without dead ends: 2737 [2022-12-13 22:28:17,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:28:17,731 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 947 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:17,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 4356 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:28:17,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-12-13 22:28:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2729. [2022-12-13 22:28:17,807 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) [2022-12-13 22:28:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3778 transitions. [2022-12-13 22:28:17,817 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3778 transitions. Word has length 115 [2022-12-13 22:28:17,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:17,817 INFO L495 AbstractCegarLoop]: Abstraction has 2729 states and 3778 transitions. [2022-12-13 22:28:17,818 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) [2022-12-13 22:28:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3778 transitions. [2022-12-13 22:28:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-12-13 22:28:17,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:17,825 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] [2022-12-13 22:28:17,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 22:28:18,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:18,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:18,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:18,026 INFO L85 PathProgramCache]: Analyzing trace with hash 791638845, now seen corresponding path program 1 times [2022-12-13 22:28:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:18,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137803429] [2022-12-13 22:28:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:18,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:18,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:18,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:18,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 22:28:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:18,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:28:18,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-12-13 22:28:18,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:18,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:18,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137803429] [2022-12-13 22:28:18,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137803429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:18,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:18,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:28:18,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306218128] [2022-12-13 22:28:18,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:18,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:28:18,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:18,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:28:18,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:18,904 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) [2022-12-13 22:28:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:19,172 INFO L93 Difference]: Finished difference Result 7189 states and 9900 transitions. [2022-12-13 22:28:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:28:19,173 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 [2022-12-13 22:28:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:19,187 INFO L225 Difference]: With dead ends: 7189 [2022-12-13 22:28:19,188 INFO L226 Difference]: Without dead ends: 4498 [2022-12-13 22:28:19,194 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 [2022-12-13 22:28:19,194 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 641 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-12-13 22:28:19,194 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] [2022-12-13 22:28:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-12-13 22:28:19,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 4487. [2022-12-13 22:28:19,345 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) [2022-12-13 22:28:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6161 transitions. [2022-12-13 22:28:19,363 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6161 transitions. Word has length 248 [2022-12-13 22:28:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:19,363 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6161 transitions. [2022-12-13 22:28:19,363 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) [2022-12-13 22:28:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6161 transitions. [2022-12-13 22:28:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-12-13 22:28:19,373 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:19,373 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] [2022-12-13 22:28:19,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 22:28:19,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:19,574 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:19,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:19,574 INFO L85 PathProgramCache]: Analyzing trace with hash -955360760, now seen corresponding path program 1 times [2022-12-13 22:28:19,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:19,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [856329193] [2022-12-13 22:28:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:19,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:19,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:19,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:19,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 22:28:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:28:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 22:28:20,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:20,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:20,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [856329193] [2022-12-13 22:28:20,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [856329193] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:20,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:20,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:28:20,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896041331] [2022-12-13 22:28:20,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:20,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:28:20,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:20,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:28:20,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:20,361 INFO L87 Difference]: Start difference. First operand 4487 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2022-12-13 22:28:21,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:21,015 INFO L93 Difference]: Finished difference Result 10606 states and 14478 transitions. [2022-12-13 22:28:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:28:21,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 228 [2022-12-13 22:28:21,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:21,034 INFO L225 Difference]: With dead ends: 10606 [2022-12-13 22:28:21,034 INFO L226 Difference]: Without dead ends: 6155 [2022-12-13 22:28:21,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:21,044 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 575 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:21,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2091 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 22:28:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2022-12-13 22:28:21,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 6146. [2022-12-13 22:28:21,252 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) [2022-12-13 22:28:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6146 states to 6146 states and 8351 transitions. [2022-12-13 22:28:21,276 INFO L78 Accepts]: Start accepts. Automaton has 6146 states and 8351 transitions. Word has length 228 [2022-12-13 22:28:21,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:21,277 INFO L495 AbstractCegarLoop]: Abstraction has 6146 states and 8351 transitions. [2022-12-13 22:28:21,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2022-12-13 22:28:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 6146 states and 8351 transitions. [2022-12-13 22:28:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-13 22:28:21,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:21,296 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, 1] [2022-12-13 22:28:21,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 22:28:21,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:21,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:21,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:21,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1989032182, now seen corresponding path program 1 times [2022-12-13 22:28:21,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:21,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450268726] [2022-12-13 22:28:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:21,499 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:21,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:21,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 22:28:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:22,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:28:22,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-12-13 22:28:22,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:22,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:22,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450268726] [2022-12-13 22:28:22,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450268726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:22,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:22,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:28:22,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897978824] [2022-12-13 22:28:22,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:22,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:28:22,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:22,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:28:22,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:28:22,421 INFO L87 Difference]: Start difference. First operand 6146 states and 8351 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 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) [2022-12-13 22:28:24,472 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 [] [2022-12-13 22:28:24,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:24,661 INFO L93 Difference]: Finished difference Result 9304 states and 12633 transitions. [2022-12-13 22:28:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:28:24,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 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 264 [2022-12-13 22:28:24,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:24,671 INFO L225 Difference]: With dead ends: 9304 [2022-12-13 22:28:24,671 INFO L226 Difference]: Without dead ends: 3199 [2022-12-13 22:28:24,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:28:24,682 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, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:24,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 22:28:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-12-13 22:28:24,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3146. [2022-12-13 22:28:24,788 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) [2022-12-13 22:28:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4268 transitions. [2022-12-13 22:28:24,802 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4268 transitions. Word has length 264 [2022-12-13 22:28:24,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:24,802 INFO L495 AbstractCegarLoop]: Abstraction has 3146 states and 4268 transitions. [2022-12-13 22:28:24,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 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) [2022-12-13 22:28:24,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4268 transitions. [2022-12-13 22:28:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-13 22:28:24,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:24,815 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, 1] [2022-12-13 22:28:24,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 22:28:25,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:25,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:25,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:25,019 INFO L85 PathProgramCache]: Analyzing trace with hash -206196684, now seen corresponding path program 1 times [2022-12-13 22:28:25,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:25,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429258323] [2022-12-13 22:28:25,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:25,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:25,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 22:28:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:28:25,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:26,086 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-12-13 22:28:26,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:26,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:26,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429258323] [2022-12-13 22:28:26,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429258323] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:26,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:26,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:28:26,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665324925] [2022-12-13 22:28:26,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:26,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:28:26,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:26,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:28:26,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:26,089 INFO L87 Difference]: Start difference. First operand 3146 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2022-12-13 22:28:28,139 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 [] [2022-12-13 22:28:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:28,452 INFO L93 Difference]: Finished difference Result 7439 states and 10074 transitions. [2022-12-13 22:28:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:28:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 264 [2022-12-13 22:28:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:28,465 INFO L225 Difference]: With dead ends: 7439 [2022-12-13 22:28:28,466 INFO L226 Difference]: Without dead ends: 4357 [2022-12-13 22:28:28,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:28,473 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, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:28,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1933 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 22:28:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2022-12-13 22:28:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4348. [2022-12-13 22:28:28,587 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) [2022-12-13 22:28:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4348 states to 4348 states and 5852 transitions. [2022-12-13 22:28:28,597 INFO L78 Accepts]: Start accepts. Automaton has 4348 states and 5852 transitions. Word has length 264 [2022-12-13 22:28:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:28,597 INFO L495 AbstractCegarLoop]: Abstraction has 4348 states and 5852 transitions. [2022-12-13 22:28:28,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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) [2022-12-13 22:28:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 5852 transitions. [2022-12-13 22:28:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 22:28:28,604 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:28,604 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] [2022-12-13 22:28:28,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 22:28:28,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:28,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash 496466791, now seen corresponding path program 1 times [2022-12-13 22:28:28,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:28,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873713514] [2022-12-13 22:28:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:28,808 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 22:28:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:29,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:28:29,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-12-13 22:28:29,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:29,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:29,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873713514] [2022-12-13 22:28:29,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873713514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:29,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:29,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:28:29,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014345389] [2022-12-13 22:28:29,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:29,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:28:29,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:29,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:28:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:28:29,791 INFO L87 Difference]: Start difference. First operand 4348 states and 5852 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2022-12-13 22:28:31,842 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 [] [2022-12-13 22:28:32,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:32,593 INFO L93 Difference]: Finished difference Result 11380 states and 15311 transitions. [2022-12-13 22:28:32,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:28:32,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 245 [2022-12-13 22:28:32,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:32,617 INFO L225 Difference]: With dead ends: 11380 [2022-12-13 22:28:32,618 INFO L226 Difference]: Without dead ends: 7096 [2022-12-13 22:28:32,628 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 [2022-12-13 22:28:32,628 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 788 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:32,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2301 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:28:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2022-12-13 22:28:32,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 7046. [2022-12-13 22:28:32,929 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) [2022-12-13 22:28:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7046 states to 7046 states and 9278 transitions. [2022-12-13 22:28:32,944 INFO L78 Accepts]: Start accepts. Automaton has 7046 states and 9278 transitions. Word has length 245 [2022-12-13 22:28:32,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:32,944 INFO L495 AbstractCegarLoop]: Abstraction has 7046 states and 9278 transitions. [2022-12-13 22:28:32,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2022-12-13 22:28:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 7046 states and 9278 transitions. [2022-12-13 22:28:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-12-13 22:28:32,953 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:32,953 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] [2022-12-13 22:28:32,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 22:28:33,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:33,154 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:33,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:33,154 INFO L85 PathProgramCache]: Analyzing trace with hash 984464193, now seen corresponding path program 1 times [2022-12-13 22:28:33,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:33,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073592394] [2022-12-13 22:28:33,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:33,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:33,157 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:33,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 22:28:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:33,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 22:28:33,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-12-13 22:28:34,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:34,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:34,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073592394] [2022-12-13 22:28:34,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073592394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:34,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:34,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:28:34,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153388573] [2022-12-13 22:28:34,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:34,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:28:34,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:34,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:28:34,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:28:34,356 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) [2022-12-13 22:28:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:34,698 INFO L93 Difference]: Finished difference Result 14164 states and 18747 transitions. [2022-12-13 22:28:34,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:28:34,700 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 [2022-12-13 22:28:34,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:34,716 INFO L225 Difference]: With dead ends: 14164 [2022-12-13 22:28:34,716 INFO L226 Difference]: Without dead ends: 7182 [2022-12-13 22:28:34,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:28:34,727 INFO L413 NwaCegarLoop]: 990 mSDtfsCounter, 4 mSDsluCounter, 3937 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:34,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4927 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:28:34,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2022-12-13 22:28:34,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 7144. [2022-12-13 22:28:34,949 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) [2022-12-13 22:28:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 9412 transitions. [2022-12-13 22:28:34,981 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 9412 transitions. Word has length 244 [2022-12-13 22:28:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:34,981 INFO L495 AbstractCegarLoop]: Abstraction has 7144 states and 9412 transitions. [2022-12-13 22:28:34,981 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) [2022-12-13 22:28:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 9412 transitions. [2022-12-13 22:28:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 22:28:34,998 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:34,998 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] [2022-12-13 22:28:35,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 22:28:35,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:35,199 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:35,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:35,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1465877531, now seen corresponding path program 1 times [2022-12-13 22:28:35,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:35,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198616749] [2022-12-13 22:28:35,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:35,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:35,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:35,202 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:35,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 22:28:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:36,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 22:28:36,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-12-13 22:28:36,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:36,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:36,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198616749] [2022-12-13 22:28:36,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198616749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:36,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:36,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:28:36,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948555243] [2022-12-13 22:28:36,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:36,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:28:36,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:28:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:28:36,246 INFO L87 Difference]: Start difference. First operand 7144 states and 9412 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) [2022-12-13 22:28:36,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:36,549 INFO L93 Difference]: Finished difference Result 14314 states and 18942 transitions. [2022-12-13 22:28:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:28:36,549 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 [2022-12-13 22:28:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:36,568 INFO L225 Difference]: With dead ends: 14314 [2022-12-13 22:28:36,568 INFO L226 Difference]: Without dead ends: 7234 [2022-12-13 22:28:36,581 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 [2022-12-13 22:28:36,581 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:36,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:28:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2022-12-13 22:28:36,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7214. [2022-12-13 22:28:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7214 states, 5274 states have (on average 1.28839590443686) internal successors, (6795), 5365 states have internal predecessors, (6795), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 648 states have return successors, (1398), 1318 states have call predecessors, (1398), 1290 states have call successors, (1398) [2022-12-13 22:28:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7214 states to 7214 states and 9484 transitions. [2022-12-13 22:28:36,849 INFO L78 Accepts]: Start accepts. Automaton has 7214 states and 9484 transitions. Word has length 246 [2022-12-13 22:28:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:36,849 INFO L495 AbstractCegarLoop]: Abstraction has 7214 states and 9484 transitions. [2022-12-13 22:28:36,850 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) [2022-12-13 22:28:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7214 states and 9484 transitions. [2022-12-13 22:28:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-13 22:28:36,859 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:36,860 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] [2022-12-13 22:28:36,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 22:28:37,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:37,060 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:37,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:37,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1219350882, now seen corresponding path program 1 times [2022-12-13 22:28:37,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:37,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696280241] [2022-12-13 22:28:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:37,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:37,063 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:37,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 22:28:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:37,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 22:28:37,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-12-13 22:28:38,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:28:38,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:38,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696280241] [2022-12-13 22:28:38,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696280241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:28:38,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:28:38,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 22:28:38,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699422487] [2022-12-13 22:28:38,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:38,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 22:28:38,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:38,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 22:28:38,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:28:38,779 INFO L87 Difference]: Start difference. First operand 7214 states and 9484 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) [2022-12-13 22:28:40,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:28:40,123 INFO L93 Difference]: Finished difference Result 14706 states and 19540 transitions. [2022-12-13 22:28:40,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 22:28:40,125 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 [2022-12-13 22:28:40,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:28:40,141 INFO L225 Difference]: With dead ends: 14706 [2022-12-13 22:28:40,141 INFO L226 Difference]: Without dead ends: 7556 [2022-12-13 22:28:40,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-13 22:28:40,152 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 23 mSDsluCounter, 10215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:28:40,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 22:28:40,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-12-13 22:28:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7270. [2022-12-13 22:28:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7270 states, 5323 states have (on average 1.283111027616006) internal successors, (6830), 5407 states have internal predecessors, (6830), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 655 states have return successors, (1405), 1332 states have call predecessors, (1405), 1290 states have call successors, (1405) [2022-12-13 22:28:40,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7270 states to 7270 states and 9526 transitions. [2022-12-13 22:28:40,410 INFO L78 Accepts]: Start accepts. Automaton has 7270 states and 9526 transitions. Word has length 253 [2022-12-13 22:28:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:28:40,411 INFO L495 AbstractCegarLoop]: Abstraction has 7270 states and 9526 transitions. [2022-12-13 22:28:40,411 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) [2022-12-13 22:28:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7270 states and 9526 transitions. [2022-12-13 22:28:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-12-13 22:28:40,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:28:40,417 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] [2022-12-13 22:28:40,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 22:28:40,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:40,618 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:28:40,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:28:40,619 INFO L85 PathProgramCache]: Analyzing trace with hash 76736805, now seen corresponding path program 1 times [2022-12-13 22:28:40,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:28:40,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890515267] [2022-12-13 22:28:40,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:28:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:28:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:28:40,621 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:28:40,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 22:28:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:28:41,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:28:41,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:28:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-12-13 22:28:42,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:28:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 22:28:46,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:28:46,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890515267] [2022-12-13 22:28:46,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890515267] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:28:46,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:28:46,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2022-12-13 22:28:46,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976671701] [2022-12-13 22:28:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:28:46,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 22:28:46,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:28:46,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 22:28:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-12-13 22:28:46,704 INFO L87 Difference]: Start difference. First operand 7270 states and 9526 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) [2022-12-13 22:28:48,753 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 [] [2022-12-13 22:28:50,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:52,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:57,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:28:58,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:00,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:04,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:05,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:07,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:18,251 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 [] [2022-12-13 22:29:27,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:27,802 INFO L93 Difference]: Finished difference Result 18281 states and 24985 transitions. [2022-12-13 22:29:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 22:29:27,803 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 [2022-12-13 22:29:27,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:29:27,841 INFO L225 Difference]: With dead ends: 18281 [2022-12-13 22:29:27,841 INFO L226 Difference]: Without dead ends: 14644 [2022-12-13 22:29:27,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:29:27,850 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 5333 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 3732 mSolverCounterSat, 1994 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5409 SdHoareTripleChecker+Valid, 4942 SdHoareTripleChecker+Invalid, 5731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1994 IncrementalHoareTripleChecker+Valid, 3732 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:29:27,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5409 Valid, 4942 Invalid, 5731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1994 Valid, 3732 Invalid, 5 Unknown, 0 Unchecked, 39.2s Time] [2022-12-13 22:29:27,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14644 states. [2022-12-13 22:29:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14644 to 11653. [2022-12-13 22:29:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11653 states, 8466 states have (on average 1.2825419324356249) internal successors, (10858), 8647 states have internal predecessors, (10858), 2096 states have call successors, (2096), 925 states have call predecessors, (2096), 1090 states have return successors, (2542), 2227 states have call predecessors, (2542), 2095 states have call successors, (2542) [2022-12-13 22:29:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11653 states to 11653 states and 15496 transitions. [2022-12-13 22:29:28,418 INFO L78 Accepts]: Start accepts. Automaton has 11653 states and 15496 transitions. Word has length 265 [2022-12-13 22:29:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:29:28,418 INFO L495 AbstractCegarLoop]: Abstraction has 11653 states and 15496 transitions. [2022-12-13 22:29:28,418 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) [2022-12-13 22:29:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 11653 states and 15496 transitions. [2022-12-13 22:29:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 22:29:28,424 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:29:28,425 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] [2022-12-13 22:29:28,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-13 22:29:28,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:28,626 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:29:28,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:28,628 INFO L85 PathProgramCache]: Analyzing trace with hash -427030451, now seen corresponding path program 1 times [2022-12-13 22:29:28,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:29:28,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850921331] [2022-12-13 22:29:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:28,632 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:29:28,635 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:29:28,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 22:29:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:29,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:29:29,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:29:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-12-13 22:29:29,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:29:29,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:29:29,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850921331] [2022-12-13 22:29:29,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850921331] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:29,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:29:29,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:29:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316798348] [2022-12-13 22:29:29,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:29,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:29:29,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:29:29,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:29:29,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:29:29,606 INFO L87 Difference]: Start difference. First operand 11653 states and 15496 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) [2022-12-13 22:29:30,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:30,023 INFO L93 Difference]: Finished difference Result 15613 states and 20934 transitions. [2022-12-13 22:29:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:29:30,023 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 [2022-12-13 22:29:30,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:29:30,045 INFO L225 Difference]: With dead ends: 15613 [2022-12-13 22:29:30,045 INFO L226 Difference]: Without dead ends: 11583 [2022-12-13 22:29:30,052 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 [2022-12-13 22:29:30,052 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 [2022-12-13 22:29:30,052 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] [2022-12-13 22:29:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-12-13 22:29:30,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11359. [2022-12-13 22:29:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11359 states, 8277 states have (on average 1.2805364262413919) internal successors, (10599), 8437 states have internal predecessors, (10599), 2019 states have call successors, (2019), 925 states have call predecessors, (2019), 1062 states have return successors, (2360), 2136 states have call predecessors, (2360), 2018 states have call successors, (2360) [2022-12-13 22:29:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11359 states to 11359 states and 14978 transitions. [2022-12-13 22:29:30,518 INFO L78 Accepts]: Start accepts. Automaton has 11359 states and 14978 transitions. Word has length 245 [2022-12-13 22:29:30,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:29:30,519 INFO L495 AbstractCegarLoop]: Abstraction has 11359 states and 14978 transitions. [2022-12-13 22:29:30,519 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) [2022-12-13 22:29:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 11359 states and 14978 transitions. [2022-12-13 22:29:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-12-13 22:29:30,525 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:29:30,525 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, 1, 1, 1] [2022-12-13 22:29:30,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-12-13 22:29:30,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:30,727 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:29:30,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1354801095, now seen corresponding path program 1 times [2022-12-13 22:29:30,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:29:30,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954834511] [2022-12-13 22:29:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:30,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:29:30,735 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:29:30,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 22:29:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:31,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:29:31,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:29:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-12-13 22:29:31,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:29:31,793 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:29:31,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954834511] [2022-12-13 22:29:31,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954834511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:29:31,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:29:31,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:29:31,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237715800] [2022-12-13 22:29:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:31,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:29:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:29:31,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:29:31,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:29:31,796 INFO L87 Difference]: Start difference. First operand 11359 states and 14978 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2022-12-13 22:29:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:29:32,291 INFO L93 Difference]: Finished difference Result 22714 states and 30036 transitions. [2022-12-13 22:29:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:29:32,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 270 [2022-12-13 22:29:32,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:29:32,315 INFO L225 Difference]: With dead ends: 22714 [2022-12-13 22:29:32,315 INFO L226 Difference]: Without dead ends: 11419 [2022-12-13 22:29:32,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:29:32,330 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:29:32,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1965 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:29:32,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11419 states. [2022-12-13 22:29:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11419 to 11389. [2022-12-13 22:29:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11389 states, 8307 states have (on average 1.2795232936078007) internal successors, (10629), 8467 states have internal predecessors, (10629), 2019 states have call successors, (2019), 925 states have call predecessors, (2019), 1062 states have return successors, (2360), 2136 states have call predecessors, (2360), 2018 states have call successors, (2360) [2022-12-13 22:29:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11389 states to 11389 states and 15008 transitions. [2022-12-13 22:29:32,912 INFO L78 Accepts]: Start accepts. Automaton has 11389 states and 15008 transitions. Word has length 270 [2022-12-13 22:29:32,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:29:32,912 INFO L495 AbstractCegarLoop]: Abstraction has 11389 states and 15008 transitions. [2022-12-13 22:29:32,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2022-12-13 22:29:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 11389 states and 15008 transitions. [2022-12-13 22:29:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 22:29:32,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:29:32,919 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, 1, 1] [2022-12-13 22:29:32,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 22:29:33,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:33,121 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:29:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:29:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1487808978, now seen corresponding path program 1 times [2022-12-13 22:29:33,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:29:33,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574905688] [2022-12-13 22:29:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:29:33,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:29:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:29:33,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:29:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 22:29:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:29:34,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 22:29:34,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:29:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-12-13 22:29:35,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:29:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-12-13 22:29:37,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:29:37,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574905688] [2022-12-13 22:29:37,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574905688] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:29:37,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:29:37,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-12-13 22:29:37,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069358632] [2022-12-13 22:29:37,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:29:37,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:29:37,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:29:37,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:29:37,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:29:37,728 INFO L87 Difference]: Start difference. First operand 11389 states and 15008 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2022-12-13 22:29:39,802 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 [] [2022-12-13 22:29:43,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:45,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:48,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:53,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:55,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:29:57,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:30:01,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:01,312 INFO L93 Difference]: Finished difference Result 23735 states and 31556 transitions. [2022-12-13 22:30:01,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 22:30:01,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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 249 [2022-12-13 22:30:01,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:30:01,341 INFO L225 Difference]: With dead ends: 23735 [2022-12-13 22:30:01,341 INFO L226 Difference]: Without dead ends: 12326 [2022-12-13 22:30:01,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-12-13 22:30:01,360 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1319 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 120 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1390 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:30:01,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1390 Valid, 2510 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1392 Invalid, 5 Unknown, 0 Unchecked, 22.4s Time] [2022-12-13 22:30:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12326 states. [2022-12-13 22:30:01,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12326 to 11949. [2022-12-13 22:30:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11949 states, 8644 states have (on average 1.2766080518278575) internal successors, (11035), 8832 states have internal predecessors, (11035), 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) [2022-12-13 22:30:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11949 states to 11949 states and 15939 transitions. [2022-12-13 22:30:01,903 INFO L78 Accepts]: Start accepts. Automaton has 11949 states and 15939 transitions. Word has length 249 [2022-12-13 22:30:01,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:30:01,903 INFO L495 AbstractCegarLoop]: Abstraction has 11949 states and 15939 transitions. [2022-12-13 22:30:01,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2022-12-13 22:30:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11949 states and 15939 transitions. [2022-12-13 22:30:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-13 22:30:01,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:30:01,910 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, 1, 1] [2022-12-13 22:30:01,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-12-13 22:30:02,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:02,111 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:30:02,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:02,112 INFO L85 PathProgramCache]: Analyzing trace with hash 320626888, now seen corresponding path program 1 times [2022-12-13 22:30:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:30:02,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005765957] [2022-12-13 22:30:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:02,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:02,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:30:02,114 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:30:02,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 22:30:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:03,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:30:03,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-12-13 22:30:03,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 22:30:03,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:30:03,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005765957] [2022-12-13 22:30:03,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005765957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:30:03,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:30:03,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:30:03,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67524629] [2022-12-13 22:30:03,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:30:03,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:30:03,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:30:03,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:30:03,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:30:03,159 INFO L87 Difference]: Start difference. First operand 11949 states and 15939 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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) [2022-12-13 22:30:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:03,761 INFO L93 Difference]: Finished difference Result 20336 states and 27372 transitions. [2022-12-13 22:30:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:30:03,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 269 [2022-12-13 22:30:03,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:30:03,784 INFO L225 Difference]: With dead ends: 20336 [2022-12-13 22:30:03,784 INFO L226 Difference]: Without dead ends: 12068 [2022-12-13 22:30:03,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:30:03,797 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 [2022-12-13 22:30:03,797 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] [2022-12-13 22:30:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12068 states. [2022-12-13 22:30:04,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12068 to 11998. [2022-12-13 22:30:04,295 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) [2022-12-13 22:30:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11998 states to 11998 states and 16009 transitions. [2022-12-13 22:30:04,319 INFO L78 Accepts]: Start accepts. Automaton has 11998 states and 16009 transitions. Word has length 269 [2022-12-13 22:30:04,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:30:04,319 INFO L495 AbstractCegarLoop]: Abstraction has 11998 states and 16009 transitions. [2022-12-13 22:30:04,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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) [2022-12-13 22:30:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 11998 states and 16009 transitions. [2022-12-13 22:30:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 22:30:04,325 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:30:04,326 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] [2022-12-13 22:30:04,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-13 22:30:04,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:04,527 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:30:04,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:04,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1684021473, now seen corresponding path program 1 times [2022-12-13 22:30:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:30:04,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801179642] [2022-12-13 22:30:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:30:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:30:04,536 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:30:04,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-13 22:30:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:30:05,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 22:30:05,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-12-13 22:30:05,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:30:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-12-13 22:30:05,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:30:05,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801179642] [2022-12-13 22:30:05,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801179642] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:30:05,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 22:30:05,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 22:30:05,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395693166] [2022-12-13 22:30:05,787 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 22:30:05,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:30:05,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:30:05,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:30:05,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:30:05,788 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) [2022-12-13 22:30:06,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:30:06,539 INFO L93 Difference]: Finished difference Result 24148 states and 32350 transitions. [2022-12-13 22:30:06,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:30:06,540 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 [2022-12-13 22:30:06,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:30:06,564 INFO L225 Difference]: With dead ends: 24148 [2022-12-13 22:30:06,564 INFO L226 Difference]: Without dead ends: 12214 [2022-12-13 22:30:06,582 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 [2022-12-13 22:30:06,582 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 3 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:30:06,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3927 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 22:30:06,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12214 states. [2022-12-13 22:30:07,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12214 to 12214. [2022-12-13 22:30:07,111 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) [2022-12-13 22:30:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12214 states to 12214 states and 16225 transitions. [2022-12-13 22:30:07,135 INFO L78 Accepts]: Start accepts. Automaton has 12214 states and 16225 transitions. Word has length 271 [2022-12-13 22:30:07,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:30:07,135 INFO L495 AbstractCegarLoop]: Abstraction has 12214 states and 16225 transitions. [2022-12-13 22:30:07,135 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) [2022-12-13 22:30:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12214 states and 16225 transitions. [2022-12-13 22:30:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-13 22:30:07,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:30:07,142 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] [2022-12-13 22:30:07,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-13 22:30:07,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:07,344 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:30:07,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:30:07,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 2 times [2022-12-13 22:30:07,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:30:07,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106223715] [2022-12-13 22:30:07,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 22:30:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 22:30:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:30:07,353 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 22:30:07,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b822d019-5196-43e5-952a-5a4d6624286d/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-12-13 22:30:12,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 22:30:12,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:30:13,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 73 conjunts are in the unsatisfiable core [2022-12-13 22:30:13,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:30:14,198 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 [2022-12-13 22:30:14,225 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 [2022-12-13 22:30:19,081 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-12-13 22:30:19,081 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 [2022-12-13 22:30:19,206 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-12-13 22:30:19,206 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 [2022-12-13 22:30:28,586 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-13 22:30:28,587 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 [2022-12-13 22:30:28,600 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-12-13 22:30:28,600 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 [2022-12-13 22:30:35,570 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:30:35,571 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 [2022-12-13 22:30:35,798 INFO L321 Elim1Store]: treesize reduction 3, result has 84.2 percent of original size [2022-12-13 22:30:35,799 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 [2022-12-13 22:30:44,112 WARN L233 SmtUtils]: Spent 8.19s 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) [2022-12-13 22:30:44,113 INFO L321 Elim1Store]: treesize reduction 19, result has 64.2 percent of original size [2022-12-13 22:30:44,114 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 [2022-12-13 22:30:44,350 INFO L321 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-12-13 22:30:44,350 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 [2022-12-13 22:30:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-13 22:30:44,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:30:51,306 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 [2022-12-13 22:30:51,315 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 [2022-12-13 22:30:57,118 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 [2022-12-13 22:30:57,130 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 [2022-12-13 22:31:09,533 WARN L233 SmtUtils]: Spent 8.06s 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) [2022-12-13 22:31:09,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:31:09,533 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 [2022-12-13 22:31:09,537 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-12-13 22:31:19,641 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 [2022-12-13 22:31:19,655 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 [2022-12-13 22:31:24,415 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 [2022-12-13 22:31:24,428 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 [2022-12-13 22:31:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-13 22:31:28,703 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 22:31:28,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106223715] [2022-12-13 22:31:28,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106223715] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 22:31:28,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 22:31:28,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2022-12-13 22:31:28,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490063288] [2022-12-13 22:31:28,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:31:28,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 22:31:28,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 22:31:28,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 22:31:28,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1487, Unknown=8, NotChecked=0, Total=1640 [2022-12-13 22:31:28,705 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) [2022-12-13 22:31:30,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:32,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:34,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:31:36,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:38,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:40,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:42,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:31:44,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:46,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:48,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:50,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:52,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:54,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:31:56,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:31:58,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:32:00,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:39,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:32:41,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:42,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:43,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:44,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:48,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:58,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:32:59,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:33:01,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:03,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:05,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:33:07,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:09,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:11,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:12,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:33:13,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:33:15,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:33:50,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:06,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:07,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:34:10,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:12,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:15,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:34:17,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:34:33,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:35,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 22:34:37,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:39,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:41,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:43,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:34:45,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 22:35:08,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]