./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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_31491752-b537-45a7-9ec7-66b492a55fa5/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 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:18:08,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:18:08,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:18:08,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:18:08,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:18:08,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:18:08,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:18:08,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:18:08,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:18:08,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:18:08,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:18:08,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:18:08,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:18:08,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:18:08,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:18:08,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:18:08,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:18:08,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:18:08,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:18:08,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:18:08,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:18:08,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:18:08,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:18:08,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:18:08,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:18:08,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:18:08,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:18:08,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:18:08,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:18:08,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:18:08,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:18:08,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:18:08,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:18:08,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:18:08,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:18:08,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:18:08,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:18:08,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:18:08,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:18:08,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:18:08,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:18:08,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:18:08,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:18:08,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:18:08,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:18:08,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:18:08,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:18:08,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:18:08,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:18:08,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:18:08,710 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:18:08,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:18:08,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:18:08,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:18:08,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:18:08,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:18:08,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:18:08,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:18:08,713 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:18:08,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:18:08,713 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:18:08,713 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_31491752-b537-45a7-9ec7-66b492a55fa5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 [2022-12-13 21:18:08,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:18:08,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:18:08,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:18:08,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:18:08,905 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:18:08,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:18:11,426 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:18:11,719 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:18:11,719 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:18:11,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/270de74ad/2642f8098c714b01b290b867fb5d4471/FLAG66e86d20c [2022-12-13 21:18:11,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/270de74ad/2642f8098c714b01b290b867fb5d4471 [2022-12-13 21:18:11,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:18:11,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:18:11,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:18:11,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:18:11,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:18:11,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:18:11" (1/1) ... [2022-12-13 21:18:11,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790ecff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:11, skipping insertion in model container [2022-12-13 21:18:11,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:18:11" (1/1) ... [2022-12-13 21:18:11,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:18:11,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:18:12,373 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 21:18:12,401 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:18:12,574 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,616 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_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-12-13 21:18:12,655 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:18:12,715 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 21:18:12,716 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,719 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:18:12,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,721 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 21:18:12,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,725 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,726 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,728 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,728 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 21:18:12,729 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,729 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:18:12,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,736 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,736 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,737 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:18:12,737 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:18:12,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,740 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,740 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,741 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:12,741 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,742 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,751 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 21:18:12,753 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,756 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,760 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,761 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,781 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 21:18:12,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,782 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:18:12,782 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:12,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,787 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:12,788 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 21:18:12,788 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:18:12,789 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,789 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,790 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,791 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:12,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,796 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:12,797 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:18:12,798 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 21:18:12,798 WARN L623 FunctionHandler]: Unknown extern function usb_disable_autosuspend [2022-12-13 21:18:12,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,803 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,804 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 21:18:12,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:12,809 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,816 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,820 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:18:12,821 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,825 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:18:12,825 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,829 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,830 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,833 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,844 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,847 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,847 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,848 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:12,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,849 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:12,850 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:12,851 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:12,851 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:12,858 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:18:12,865 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:12,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:12,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:12,877 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 21:18:12,877 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 21:18:12,877 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 21:18:12,878 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate [2022-12-13 21:18:12,879 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 21:18:12,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 21:18:12,892 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:18:12,895 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 21:18:12,898 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:18:12,898 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:18:12,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,912 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:12,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:18:12,953 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:18:13,073 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 21:18:13,077 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:18:13,079 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,082 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_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-12-13 21:18:13,083 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:18:13,088 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 21:18:13,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,090 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:18:13,090 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,092 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 21:18:13,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,094 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,095 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,096 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,097 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 21:18:13,097 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,097 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:18:13,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,100 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,100 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,100 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:18:13,101 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:18:13,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,102 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,103 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,103 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:13,103 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,104 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,108 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 21:18:13,110 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,111 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,111 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,112 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,113 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,125 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 21:18:13,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,125 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:18:13,126 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:13,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,127 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:13,128 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 21:18:13,128 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:18:13,129 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,129 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,130 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,130 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:18:13,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,132 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:13,133 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:18:13,134 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 21:18:13,134 WARN L623 FunctionHandler]: Unknown extern function usb_disable_autosuspend [2022-12-13 21:18:13,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,136 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 21:18:13,136 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:13,138 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,138 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,140 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,141 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,142 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:18:13,143 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,143 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:18:13,144 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,145 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,145 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,148 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,150 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,152 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,153 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,153 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:18:13,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,154 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:18:13,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:18:13,156 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:13,156 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:18:13,157 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:18:13,158 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:18:13,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:18:13,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:18:13,161 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 21:18:13,162 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 21:18:13,162 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 21:18:13,163 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate [2022-12-13 21:18:13,163 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 21:18:13,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 21:18:13,165 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:18:13,168 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 21:18:13,170 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:18:13,171 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:18:13,172 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,173 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:18:13,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:18:13,279 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:18:13,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13 WrapperNode [2022-12-13 21:18:13,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:18:13,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:18:13,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:18:13,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:18:13,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,418 INFO L138 Inliner]: procedures = 163, calls = 1186, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 3077 [2022-12-13 21:18:13,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:18:13,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:18:13,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:18:13,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:18:13,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:18:13,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:18:13,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:18:13,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:18:13,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (1/1) ... [2022-12-13 21:18:13,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:18:13,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:18:13,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:18:13,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:18:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 21:18:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 21:18:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2022-12-13 21:18:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2022-12-13 21:18:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2022-12-13 21:18:13,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2022-12-13 21:18:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-13 21:18:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2022-12-13 21:18:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 21:18:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:18:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:18:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 21:18:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 21:18:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 21:18:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 21:18:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-12-13 21:18:13,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-12-13 21:18:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 21:18:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 21:18:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:18:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:18:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 21:18:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 21:18:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 21:18:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 21:18:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-12-13 21:18:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-12-13 21:18:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-12-13 21:18:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 21:18:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 21:18:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2022-12-13 21:18:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 21:18:13,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 21:18:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 21:18:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:18:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 21:18:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 21:18:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:18:13,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:18:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 21:18:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 21:18:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 21:18:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 21:18:13,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:18:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:18:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-12-13 21:18:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-12-13 21:18:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 21:18:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-12-13 21:18:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:18:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2022-12-13 21:18:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 21:18:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 21:18:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-12-13 21:18:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-13 21:18:13,633 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-13 21:18:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 21:18:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 21:18:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 21:18:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 21:18:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 21:18:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 21:18:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:18:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:18:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-13 21:18:13,634 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-13 21:18:14,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:18:14,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:18:14,280 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:18:14,937 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 21:18:18,053 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:18:18,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:18:18,062 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:18:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:18 BoogieIcfgContainer [2022-12-13 21:18:18,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:18:18,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:18:18,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:18:18,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:18:18,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:18:11" (1/3) ... [2022-12-13 21:18:18,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71b920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:18:18, skipping insertion in model container [2022-12-13 21:18:18,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:13" (2/3) ... [2022-12-13 21:18:18,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a71b920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:18:18, skipping insertion in model container [2022-12-13 21:18:18,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:18" (3/3) ... [2022-12-13 21:18:18,070 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:18:18,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:18:18,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:18:18,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:18:18,135 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;@76021e10, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:18:18,135 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:18:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 853 states, 629 states have (on average 1.3847376788553258) internal successors, (871), 655 states have internal predecessors, (871), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) [2022-12-13 21:18:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 21:18:18,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:18,149 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:18,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:18,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2002313727, now seen corresponding path program 1 times [2022-12-13 21:18:18,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190191934] [2022-12-13 21:18:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:18,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:18:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:18:18,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190191934] [2022-12-13 21:18:18,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190191934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:18,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:18,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236971140] [2022-12-13 21:18:18,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:18,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:18,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:18,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:18,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:18,573 INFO L87 Difference]: Start difference. First operand has 853 states, 629 states have (on average 1.3847376788553258) internal successors, (871), 655 states have internal predecessors, (871), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:18:20,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:22,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:26,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:26,661 INFO L93 Difference]: Finished difference Result 2748 states and 4114 transitions. [2022-12-13 21:18:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:18:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-12-13 21:18:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:26,684 INFO L225 Difference]: With dead ends: 2748 [2022-12-13 21:18:26,684 INFO L226 Difference]: Without dead ends: 1876 [2022-12-13 21:18:26,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:26,693 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 1928 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 982 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 3243 SdHoareTripleChecker+Invalid, 2659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 982 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:26,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 3243 Invalid, 2659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [982 Valid, 1675 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-12-13 21:18:26,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2022-12-13 21:18:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1608. [2022-12-13 21:18:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1193 states have (on average 1.374685666387259) internal successors, (1640), 1225 states have internal predecessors, (1640), 332 states have call successors, (332), 83 states have call predecessors, (332), 82 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-12-13 21:18:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2299 transitions. [2022-12-13 21:18:26,860 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2299 transitions. Word has length 44 [2022-12-13 21:18:26,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:26,860 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2299 transitions. [2022-12-13 21:18:26,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:18:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2299 transitions. [2022-12-13 21:18:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 21:18:26,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:26,863 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:26,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:18:26,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:26,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:26,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1296792476, now seen corresponding path program 1 times [2022-12-13 21:18:26,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:26,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419936089] [2022-12-13 21:18:26,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:26,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:18:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:18:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:18:27,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:27,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419936089] [2022-12-13 21:18:27,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419936089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:27,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:27,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:18:27,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211398427] [2022-12-13 21:18:27,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:27,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:18:27,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:27,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:18:27,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:27,643 INFO L87 Difference]: Start difference. First operand 1608 states and 2299 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 21:18:29,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:31,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:35,928 INFO L93 Difference]: Finished difference Result 3820 states and 5608 transitions. [2022-12-13 21:18:35,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:18:35,929 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2022-12-13 21:18:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:35,942 INFO L225 Difference]: With dead ends: 3820 [2022-12-13 21:18:35,942 INFO L226 Difference]: Without dead ends: 2223 [2022-12-13 21:18:35,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:18:35,948 INFO L413 NwaCegarLoop]: 1491 mSDtfsCounter, 902 mSDsluCounter, 6520 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 467 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 8011 SdHoareTripleChecker+Invalid, 3265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:35,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 8011 Invalid, 3265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 2796 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-12-13 21:18:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-12-13 21:18:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 1608. [2022-12-13 21:18:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1193 states have (on average 1.3738474434199497) internal successors, (1639), 1225 states have internal predecessors, (1639), 332 states have call successors, (332), 83 states have call predecessors, (332), 82 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-12-13 21:18:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2298 transitions. [2022-12-13 21:18:36,045 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2298 transitions. Word has length 61 [2022-12-13 21:18:36,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:36,046 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2298 transitions. [2022-12-13 21:18:36,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 21:18:36,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2298 transitions. [2022-12-13 21:18:36,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 21:18:36,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:36,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:36,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:18:36,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:36,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1515647194, now seen corresponding path program 1 times [2022-12-13 21:18:36,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:36,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989596846] [2022-12-13 21:18:36,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:36,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:18:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:18:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:18:36,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:36,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989596846] [2022-12-13 21:18:36,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989596846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:36,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:36,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:36,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735098305] [2022-12-13 21:18:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:36,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:36,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:36,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:36,426 INFO L87 Difference]: Start difference. First operand 1608 states and 2298 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:18:38,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:40,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:43,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:45,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:47,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:47,888 INFO L93 Difference]: Finished difference Result 5337 states and 7924 transitions. [2022-12-13 21:18:47,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:18:47,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 61 [2022-12-13 21:18:47,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:47,902 INFO L225 Difference]: With dead ends: 5337 [2022-12-13 21:18:47,902 INFO L226 Difference]: Without dead ends: 3740 [2022-12-13 21:18:47,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:47,908 INFO L413 NwaCegarLoop]: 1256 mSDtfsCounter, 1977 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 976 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 976 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:47,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 3354 Invalid, 2649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [976 Valid, 1669 Invalid, 4 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 21:18:47,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2022-12-13 21:18:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3278. [2022-12-13 21:18:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3278 states, 2426 states have (on average 1.368507831821929) internal successors, (3320), 2496 states have internal predecessors, (3320), 671 states have call successors, (671), 165 states have call predecessors, (671), 180 states have return successors, (762), 642 states have call predecessors, (762), 666 states have call successors, (762) [2022-12-13 21:18:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3278 states to 3278 states and 4753 transitions. [2022-12-13 21:18:48,028 INFO L78 Accepts]: Start accepts. Automaton has 3278 states and 4753 transitions. Word has length 61 [2022-12-13 21:18:48,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:48,029 INFO L495 AbstractCegarLoop]: Abstraction has 3278 states and 4753 transitions. [2022-12-13 21:18:48,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:18:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 4753 transitions. [2022-12-13 21:18:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 21:18:48,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:48,030 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:48,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:18:48,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:48,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:48,031 INFO L85 PathProgramCache]: Analyzing trace with hash -259943975, now seen corresponding path program 1 times [2022-12-13 21:18:48,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:48,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008831036] [2022-12-13 21:18:48,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:48,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:18:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:18:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:18:48,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:48,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008831036] [2022-12-13 21:18:48,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008831036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:48,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:48,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:48,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24394641] [2022-12-13 21:18:48,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:48,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:48,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:48,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:48,373 INFO L87 Difference]: Start difference. First operand 3278 states and 4753 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:18:50,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:52,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:18:55,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:55,999 INFO L93 Difference]: Finished difference Result 10707 states and 16155 transitions. [2022-12-13 21:18:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:18:55,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62 [2022-12-13 21:18:56,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:56,025 INFO L225 Difference]: With dead ends: 10707 [2022-12-13 21:18:56,025 INFO L226 Difference]: Without dead ends: 7440 [2022-12-13 21:18:56,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:56,035 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 2035 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 998 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 2632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 998 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:56,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 3221 Invalid, 2632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [998 Valid, 1632 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-12-13 21:18:56,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2022-12-13 21:18:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 6611. [2022-12-13 21:18:56,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 4885 states have (on average 1.3637666325486182) internal successors, (6662), 5031 states have internal predecessors, (6662), 1349 states have call successors, (1349), 329 states have call predecessors, (1349), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-12-13 21:18:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 9713 transitions. [2022-12-13 21:18:56,303 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 9713 transitions. Word has length 62 [2022-12-13 21:18:56,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:56,303 INFO L495 AbstractCegarLoop]: Abstraction has 6611 states and 9713 transitions. [2022-12-13 21:18:56,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:18:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 9713 transitions. [2022-12-13 21:18:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 21:18:56,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:56,304 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:56,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:18:56,305 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:56,305 INFO L85 PathProgramCache]: Analyzing trace with hash 531309501, now seen corresponding path program 1 times [2022-12-13 21:18:56,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:56,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897342738] [2022-12-13 21:18:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:18:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:18:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:18:56,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:56,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897342738] [2022-12-13 21:18:56,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897342738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:56,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:56,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:56,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534125387] [2022-12-13 21:18:56,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:56,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:56,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:56,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:56,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:56,507 INFO L87 Difference]: Start difference. First operand 6611 states and 9713 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:18:58,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:00,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:04,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:04,269 INFO L93 Difference]: Finished difference Result 7438 states and 11140 transitions. [2022-12-13 21:19:04,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:19:04,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-12-13 21:19:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:04,293 INFO L225 Difference]: With dead ends: 7438 [2022-12-13 21:19:04,293 INFO L226 Difference]: Without dead ends: 7435 [2022-12-13 21:19:04,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:19:04,296 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 2018 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 991 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 3241 SdHoareTripleChecker+Invalid, 2629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 991 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:04,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 3241 Invalid, 2629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [991 Valid, 1636 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 21:19:04,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7435 states. [2022-12-13 21:19:04,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7435 to 6612. [2022-12-13 21:19:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6612 states, 4886 states have (on average 1.3636921817437577) internal successors, (6663), 5032 states have internal predecessors, (6663), 1349 states have call successors, (1349), 329 states have call predecessors, (1349), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-12-13 21:19:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6612 states to 6612 states and 9714 transitions. [2022-12-13 21:19:04,587 INFO L78 Accepts]: Start accepts. Automaton has 6612 states and 9714 transitions. Word has length 63 [2022-12-13 21:19:04,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:04,587 INFO L495 AbstractCegarLoop]: Abstraction has 6612 states and 9714 transitions. [2022-12-13 21:19:04,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:19:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 6612 states and 9714 transitions. [2022-12-13 21:19:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-13 21:19:04,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:04,589 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:19:04,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:19:04,590 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash -709631652, now seen corresponding path program 1 times [2022-12-13 21:19:04,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:04,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229175557] [2022-12-13 21:19:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:19:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:19:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:19:04,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:04,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229175557] [2022-12-13 21:19:04,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229175557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:04,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:04,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:19:04,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223187562] [2022-12-13 21:19:04,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:04,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:19:04,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:04,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:19:04,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:19:04,804 INFO L87 Difference]: Start difference. First operand 6612 states and 9714 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:19:07,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:09,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:11,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:11,464 INFO L93 Difference]: Finished difference Result 7434 states and 11136 transitions. [2022-12-13 21:19:11,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:19:11,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 64 [2022-12-13 21:19:11,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:11,496 INFO L225 Difference]: With dead ends: 7434 [2022-12-13 21:19:11,496 INFO L226 Difference]: Without dead ends: 7431 [2022-12-13 21:19:11,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:19:11,500 INFO L413 NwaCegarLoop]: 1034 mSDtfsCounter, 1548 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 545 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:11,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 2122 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 916 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 21:19:11,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7431 states. [2022-12-13 21:19:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7431 to 6611. [2022-12-13 21:19:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6611 states, 4886 states have (on average 1.3634875153499795) internal successors, (6662), 5031 states have internal predecessors, (6662), 1348 states have call successors, (1348), 329 states have call predecessors, (1348), 376 states have return successors, (1702), 1304 states have call predecessors, (1702), 1344 states have call successors, (1702) [2022-12-13 21:19:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6611 states to 6611 states and 9712 transitions. [2022-12-13 21:19:11,792 INFO L78 Accepts]: Start accepts. Automaton has 6611 states and 9712 transitions. Word has length 64 [2022-12-13 21:19:11,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:11,792 INFO L495 AbstractCegarLoop]: Abstraction has 6611 states and 9712 transitions. [2022-12-13 21:19:11,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:19:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6611 states and 9712 transitions. [2022-12-13 21:19:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 21:19:11,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:11,794 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:19:11,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:19:11,794 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:11,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash -524096864, now seen corresponding path program 1 times [2022-12-13 21:19:11,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:11,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746754352] [2022-12-13 21:19:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:11,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:19:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:19:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:19:12,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:12,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746754352] [2022-12-13 21:19:12,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746754352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:12,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:12,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:19:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014067712] [2022-12-13 21:19:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:12,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:19:12,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:19:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:19:12,075 INFO L87 Difference]: Start difference. First operand 6611 states and 9712 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:19:14,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:16,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:18,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:18,707 INFO L93 Difference]: Finished difference Result 7433 states and 11134 transitions. [2022-12-13 21:19:18,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:19:18,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 65 [2022-12-13 21:19:18,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:18,730 INFO L225 Difference]: With dead ends: 7433 [2022-12-13 21:19:18,730 INFO L226 Difference]: Without dead ends: 7401 [2022-12-13 21:19:18,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:19:18,737 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1564 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 544 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 2090 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:18,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 2090 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 886 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 21:19:18,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7401 states. [2022-12-13 21:19:19,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7401 to 6581. [2022-12-13 21:19:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6581 states, 4859 states have (on average 1.36324346573369) internal successors, (6624), 5003 states have internal predecessors, (6624), 1345 states have call successors, (1345), 329 states have call predecessors, (1345), 376 states have return successors, (1696), 1302 states have call predecessors, (1696), 1342 states have call successors, (1696) [2022-12-13 21:19:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6581 states to 6581 states and 9665 transitions. [2022-12-13 21:19:19,033 INFO L78 Accepts]: Start accepts. Automaton has 6581 states and 9665 transitions. Word has length 65 [2022-12-13 21:19:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:19,034 INFO L495 AbstractCegarLoop]: Abstraction has 6581 states and 9665 transitions. [2022-12-13 21:19:19,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:19:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 6581 states and 9665 transitions. [2022-12-13 21:19:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 21:19:19,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:19,037 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:19:19,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:19:19,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:19,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash -67737105, now seen corresponding path program 1 times [2022-12-13 21:19:19,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:19,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748038944] [2022-12-13 21:19:19,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:19:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 21:19:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:19:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:19:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:19:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 21:19:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 21:19:19,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:19,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748038944] [2022-12-13 21:19:19,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748038944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:19,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:19,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:19:19,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865756959] [2022-12-13 21:19:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:19,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:19:19,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:19,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:19:19,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:19:19,239 INFO L87 Difference]: Start difference. First operand 6581 states and 9665 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 21:19:21,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:23,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:25,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:27,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:29,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:31,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:33,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:35,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:41,360 INFO L93 Difference]: Finished difference Result 20425 states and 30360 transitions. [2022-12-13 21:19:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 21:19:41,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2022-12-13 21:19:41,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:41,425 INFO L225 Difference]: With dead ends: 20425 [2022-12-13 21:19:41,425 INFO L226 Difference]: Without dead ends: 13855 [2022-12-13 21:19:41,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:19:41,449 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 1937 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 1201 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 4369 SdHoareTripleChecker+Invalid, 3671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1201 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:41,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 4369 Invalid, 3671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1201 Valid, 2462 Invalid, 8 Unknown, 0 Unchecked, 21.4s Time] [2022-12-13 21:19:41,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2022-12-13 21:19:42,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 12405. [2022-12-13 21:19:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12405 states, 9072 states have (on average 1.346009700176367) internal successors, (12211), 9391 states have internal predecessors, (12211), 2516 states have call successors, (2516), 623 states have call predecessors, (2516), 816 states have return successors, (3667), 2490 states have call predecessors, (3667), 2513 states have call successors, (3667) [2022-12-13 21:19:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12405 states to 12405 states and 18394 transitions. [2022-12-13 21:19:42,070 INFO L78 Accepts]: Start accepts. Automaton has 12405 states and 18394 transitions. Word has length 98 [2022-12-13 21:19:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:42,070 INFO L495 AbstractCegarLoop]: Abstraction has 12405 states and 18394 transitions. [2022-12-13 21:19:42,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 21:19:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12405 states and 18394 transitions. [2022-12-13 21:19:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-13 21:19:42,075 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:42,076 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:19:42,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:19:42,076 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:42,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1706032167, now seen corresponding path program 1 times [2022-12-13 21:19:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:42,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786228018] [2022-12-13 21:19:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:42,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:19:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:19:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 21:19:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:19:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:19:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:19:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:19:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 21:19:42,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:42,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786228018] [2022-12-13 21:19:42,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786228018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:42,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:42,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 21:19:42,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669228590] [2022-12-13 21:19:42,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:42,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:19:42,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:42,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:19:42,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:19:42,790 INFO L87 Difference]: Start difference. First operand 12405 states and 18394 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 21:19:45,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:47,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:49,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:19:53,249 INFO L93 Difference]: Finished difference Result 26195 states and 39029 transitions. [2022-12-13 21:19:53,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 21:19:53,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 124 [2022-12-13 21:19:53,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:19:53,288 INFO L225 Difference]: With dead ends: 26195 [2022-12-13 21:19:53,288 INFO L226 Difference]: Without dead ends: 13812 [2022-12-13 21:19:53,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:19:53,313 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 763 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 2425 mSolverCounterSat, 697 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 5488 SdHoareTripleChecker+Invalid, 3125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 2425 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:19:53,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 5488 Invalid, 3125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 2425 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-12-13 21:19:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13812 states. [2022-12-13 21:19:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13812 to 12425. [2022-12-13 21:19:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12425 states, 9088 states have (on average 1.345400528169014) internal successors, (12227), 9403 states have internal predecessors, (12227), 2520 states have call successors, (2520), 623 states have call predecessors, (2520), 816 states have return successors, (3671), 2498 states have call predecessors, (3671), 2517 states have call successors, (3671) [2022-12-13 21:19:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12425 states to 12425 states and 18418 transitions. [2022-12-13 21:19:53,936 INFO L78 Accepts]: Start accepts. Automaton has 12425 states and 18418 transitions. Word has length 124 [2022-12-13 21:19:53,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:19:53,937 INFO L495 AbstractCegarLoop]: Abstraction has 12425 states and 18418 transitions. [2022-12-13 21:19:53,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 21:19:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 12425 states and 18418 transitions. [2022-12-13 21:19:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-13 21:19:53,942 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:19:53,943 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:19:53,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:19:53,943 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:19:53,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:19:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 702147405, now seen corresponding path program 1 times [2022-12-13 21:19:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:19:53,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422951185] [2022-12-13 21:19:53,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:19:53,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:19:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:19:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:19:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:19:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 21:19:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:19:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 21:19:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:19:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 21:19:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:19:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:19:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:19:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:19:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 21:19:54,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:19:54,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422951185] [2022-12-13 21:19:54,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422951185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:19:54,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:19:54,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:19:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465352257] [2022-12-13 21:19:54,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:19:54,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:19:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:19:54,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:19:54,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:19:54,469 INFO L87 Difference]: Start difference. First operand 12425 states and 18418 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:19:56,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:19:58,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:00,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:05,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:05,051 INFO L93 Difference]: Finished difference Result 26216 states and 39014 transitions. [2022-12-13 21:20:05,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:20:05,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2022-12-13 21:20:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:05,092 INFO L225 Difference]: With dead ends: 26216 [2022-12-13 21:20:05,092 INFO L226 Difference]: Without dead ends: 13794 [2022-12-13 21:20:05,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:20:05,114 INFO L413 NwaCegarLoop]: 1044 mSDtfsCounter, 689 mSDsluCounter, 4221 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 685 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:05,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 5265 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 2360 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2022-12-13 21:20:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13794 states. [2022-12-13 21:20:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13794 to 12434. [2022-12-13 21:20:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12434 states, 9097 states have (on average 1.3450588105969001) internal successors, (12236), 9412 states have internal predecessors, (12236), 2520 states have call successors, (2520), 623 states have call predecessors, (2520), 816 states have return successors, (3671), 2498 states have call predecessors, (3671), 2517 states have call successors, (3671) [2022-12-13 21:20:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12434 states to 12434 states and 18427 transitions. [2022-12-13 21:20:05,661 INFO L78 Accepts]: Start accepts. Automaton has 12434 states and 18427 transitions. Word has length 130 [2022-12-13 21:20:05,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:05,661 INFO L495 AbstractCegarLoop]: Abstraction has 12434 states and 18427 transitions. [2022-12-13 21:20:05,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (13), 6 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:20:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 12434 states and 18427 transitions. [2022-12-13 21:20:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 21:20:05,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:05,667 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:05,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:20:05,667 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:05,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1613372360, now seen corresponding path program 1 times [2022-12-13 21:20:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:05,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320269821] [2022-12-13 21:20:05,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:20:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:20:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 21:20:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 21:20:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:20:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 21:20:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:20:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,298 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 21:20:06,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:06,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320269821] [2022-12-13 21:20:06,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320269821] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:20:06,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994144872] [2022-12-13 21:20:06,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:06,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:20:06,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:20:06,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:20:06,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:20:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:06,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 2201 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 21:20:06,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:20:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 21:20:06,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:20:06,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994144872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:06,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:20:06,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-12-13 21:20:06,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117510804] [2022-12-13 21:20:06,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:06,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:20:06,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:06,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:20:06,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:20:06,916 INFO L87 Difference]: Start difference. First operand 12434 states and 18427 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:20:07,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:07,525 INFO L93 Difference]: Finished difference Result 20268 states and 29941 transitions. [2022-12-13 21:20:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:20:07,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-12-13 21:20:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:07,547 INFO L225 Difference]: With dead ends: 20268 [2022-12-13 21:20:07,548 INFO L226 Difference]: Without dead ends: 7847 [2022-12-13 21:20:07,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:20:07,569 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 38 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4755 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:07,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4755 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:20:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7847 states. [2022-12-13 21:20:07,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7847 to 7620. [2022-12-13 21:20:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7620 states, 5579 states have (on average 1.3403835812869689) internal successors, (7478), 5773 states have internal predecessors, (7478), 1533 states have call successors, (1533), 397 states have call predecessors, (1533), 507 states have return successors, (2172), 1510 states have call predecessors, (2172), 1530 states have call successors, (2172) [2022-12-13 21:20:07,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7620 states to 7620 states and 11183 transitions. [2022-12-13 21:20:07,904 INFO L78 Accepts]: Start accepts. Automaton has 7620 states and 11183 transitions. Word has length 131 [2022-12-13 21:20:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:07,904 INFO L495 AbstractCegarLoop]: Abstraction has 7620 states and 11183 transitions. [2022-12-13 21:20:07,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:20:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 7620 states and 11183 transitions. [2022-12-13 21:20:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 21:20:07,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:07,909 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:07,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:20:08,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 21:20:08,111 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:08,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:08,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2080933725, now seen corresponding path program 1 times [2022-12-13 21:20:08,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:08,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287254093] [2022-12-13 21:20:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:20:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:20:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 21:20:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 21:20:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:20:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:20:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 21:20:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:20:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:08,860 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-13 21:20:08,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:08,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287254093] [2022-12-13 21:20:08,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287254093] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:08,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:08,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 21:20:08,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980961494] [2022-12-13 21:20:08,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:08,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:20:08,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:08,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:20:08,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:20:08,862 INFO L87 Difference]: Start difference. First operand 7620 states and 11183 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:20:11,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:13,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:17,021 INFO L93 Difference]: Finished difference Result 14924 states and 22049 transitions. [2022-12-13 21:20:17,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:20:17,022 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 137 [2022-12-13 21:20:17,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:17,043 INFO L225 Difference]: With dead ends: 14924 [2022-12-13 21:20:17,043 INFO L226 Difference]: Without dead ends: 8536 [2022-12-13 21:20:17,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-12-13 21:20:17,055 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 1358 mSDsluCounter, 5636 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 929 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 6916 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:17,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 6916 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 2723 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-12-13 21:20:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8536 states. [2022-12-13 21:20:17,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8536 to 7620. [2022-12-13 21:20:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7620 states, 5579 states have (on average 1.3396666069188026) internal successors, (7474), 5773 states have internal predecessors, (7474), 1533 states have call successors, (1533), 397 states have call predecessors, (1533), 507 states have return successors, (2172), 1510 states have call predecessors, (2172), 1530 states have call successors, (2172) [2022-12-13 21:20:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7620 states to 7620 states and 11179 transitions. [2022-12-13 21:20:17,385 INFO L78 Accepts]: Start accepts. Automaton has 7620 states and 11179 transitions. Word has length 137 [2022-12-13 21:20:17,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:17,386 INFO L495 AbstractCegarLoop]: Abstraction has 7620 states and 11179 transitions. [2022-12-13 21:20:17,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:20:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7620 states and 11179 transitions. [2022-12-13 21:20:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 21:20:17,390 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:17,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:17,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:20:17,390 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:17,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:17,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1241900063, now seen corresponding path program 1 times [2022-12-13 21:20:17,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:17,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628215456] [2022-12-13 21:20:17,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:17,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:20:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:20:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 21:20:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 21:20:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:20:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:20:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 21:20:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:20:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-13 21:20:18,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628215456] [2022-12-13 21:20:18,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628215456] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:20:18,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618705555] [2022-12-13 21:20:18,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:18,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:20:18,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:20:18,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:20:18,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:20:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:19,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-13 21:20:19,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:20:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 21:20:19,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:20:19,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618705555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:19,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:20:19,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2022-12-13 21:20:19,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423982956] [2022-12-13 21:20:19,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:19,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 21:20:19,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:19,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 21:20:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-12-13 21:20:19,507 INFO L87 Difference]: Start difference. First operand 7620 states and 11179 transitions. Second operand has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:20:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:24,210 INFO L93 Difference]: Finished difference Result 20238 states and 30254 transitions. [2022-12-13 21:20:24,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 21:20:24,211 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 137 [2022-12-13 21:20:24,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:24,246 INFO L225 Difference]: With dead ends: 20238 [2022-12-13 21:20:24,246 INFO L226 Difference]: Without dead ends: 13760 [2022-12-13 21:20:24,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 21:20:24,262 INFO L413 NwaCegarLoop]: 1863 mSDtfsCounter, 4458 mSDsluCounter, 12774 mSDsCounter, 0 mSdLazyCounter, 4350 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4544 SdHoareTripleChecker+Valid, 14637 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 4350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:24,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4544 Valid, 14637 Invalid, 4943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 4350 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 21:20:24,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13760 states. [2022-12-13 21:20:24,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13760 to 10587. [2022-12-13 21:20:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10587 states, 7759 states have (on average 1.3410233277484211) internal successors, (10405), 8020 states have internal predecessors, (10405), 2129 states have call successors, (2129), 557 states have call predecessors, (2129), 698 states have return successors, (2911), 2094 states have call predecessors, (2911), 2126 states have call successors, (2911) [2022-12-13 21:20:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10587 states to 10587 states and 15445 transitions. [2022-12-13 21:20:24,848 INFO L78 Accepts]: Start accepts. Automaton has 10587 states and 15445 transitions. Word has length 137 [2022-12-13 21:20:24,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:24,848 INFO L495 AbstractCegarLoop]: Abstraction has 10587 states and 15445 transitions. [2022-12-13 21:20:24,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 10 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:20:24,849 INFO L276 IsEmpty]: Start isEmpty. Operand 10587 states and 15445 transitions. [2022-12-13 21:20:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-13 21:20:24,852 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:24,852 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:24,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:20:25,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 21:20:25,054 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:25,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1237780059, now seen corresponding path program 1 times [2022-12-13 21:20:25,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:25,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245970968] [2022-12-13 21:20:25,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:25,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:20:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:20:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 21:20:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:20:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 21:20:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:20:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 21:20:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 21:20:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:20:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 21:20:25,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:25,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245970968] [2022-12-13 21:20:25,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245970968] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:25,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:25,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:20:25,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375727826] [2022-12-13 21:20:25,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:25,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:20:25,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:25,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:20:25,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:20:25,289 INFO L87 Difference]: Start difference. First operand 10587 states and 15445 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 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 21:20:27,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:29,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:31,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:33,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:35,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:37,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:20:44,456 INFO L93 Difference]: Finished difference Result 31922 states and 48513 transitions. [2022-12-13 21:20:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 21:20:44,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 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 135 [2022-12-13 21:20:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:20:44,511 INFO L225 Difference]: With dead ends: 31922 [2022-12-13 21:20:44,511 INFO L226 Difference]: Without dead ends: 20186 [2022-12-13 21:20:44,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-12-13 21:20:44,533 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 2549 mSDsluCounter, 3884 mSDsCounter, 0 mSdLazyCounter, 3229 mSolverCounterSat, 1690 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2696 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 4925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1690 IncrementalHoareTripleChecker+Valid, 3229 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:20:44,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2696 Valid, 5315 Invalid, 4925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1690 Valid, 3229 Invalid, 6 Unknown, 0 Unchecked, 17.7s Time] [2022-12-13 21:20:44,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20186 states. [2022-12-13 21:20:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20186 to 16255. [2022-12-13 21:20:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16255 states, 11834 states have (on average 1.337502112557039) internal successors, (15828), 12296 states have internal predecessors, (15828), 3194 states have call successors, (3194), 816 states have call predecessors, (3194), 1226 states have return successors, (5648), 3248 states have call predecessors, (5648), 3191 states have call successors, (5648) [2022-12-13 21:20:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16255 states to 16255 states and 24670 transitions. [2022-12-13 21:20:45,526 INFO L78 Accepts]: Start accepts. Automaton has 16255 states and 24670 transitions. Word has length 135 [2022-12-13 21:20:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:20:45,526 INFO L495 AbstractCegarLoop]: Abstraction has 16255 states and 24670 transitions. [2022-12-13 21:20:45,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (15), 6 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 21:20:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 16255 states and 24670 transitions. [2022-12-13 21:20:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 21:20:45,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:20:45,531 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:20:45,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 21:20:45,531 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:20:45,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:20:45,531 INFO L85 PathProgramCache]: Analyzing trace with hash 732056423, now seen corresponding path program 1 times [2022-12-13 21:20:45,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:20:45,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454500154] [2022-12-13 21:20:45,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:20:45,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:20:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:20:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:20:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:20:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:20:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 21:20:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 21:20:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:20:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:20:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 21:20:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 21:20:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 21:20:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:20:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:20:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:20:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:20:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-13 21:20:45,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:20:45,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454500154] [2022-12-13 21:20:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454500154] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:20:45,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:20:45,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:20:45,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081494925] [2022-12-13 21:20:45,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:20:45,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:20:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:20:45,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:20:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:20:45,817 INFO L87 Difference]: Start difference. First operand 16255 states and 24670 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 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 21:20:47,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:49,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:51,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:53,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:57,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:20:59,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:01,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:03,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:08,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:08,746 INFO L93 Difference]: Finished difference Result 41522 states and 64169 transitions. [2022-12-13 21:21:08,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:21:08,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 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 158 [2022-12-13 21:21:08,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:08,811 INFO L225 Difference]: With dead ends: 41522 [2022-12-13 21:21:08,811 INFO L226 Difference]: Without dead ends: 25309 [2022-12-13 21:21:08,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:21:08,841 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 1781 mSDsluCounter, 6044 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 859 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 7677 SdHoareTripleChecker+Invalid, 4060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:08,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 7677 Invalid, 4060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [859 Valid, 3193 Invalid, 8 Unknown, 0 Unchecked, 21.4s Time] [2022-12-13 21:21:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25309 states. [2022-12-13 21:21:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25309 to 16227. [2022-12-13 21:21:09,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16227 states, 11814 states have (on average 1.3367191467750128) internal successors, (15792), 12276 states have internal predecessors, (15792), 3186 states have call successors, (3186), 816 states have call predecessors, (3186), 1226 states have return successors, (5632), 3240 states have call predecessors, (5632), 3183 states have call successors, (5632) [2022-12-13 21:21:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16227 states to 16227 states and 24610 transitions. [2022-12-13 21:21:09,945 INFO L78 Accepts]: Start accepts. Automaton has 16227 states and 24610 transitions. Word has length 158 [2022-12-13 21:21:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:09,945 INFO L495 AbstractCegarLoop]: Abstraction has 16227 states and 24610 transitions. [2022-12-13 21:21:09,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (15), 6 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 21:21:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 16227 states and 24610 transitions. [2022-12-13 21:21:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 21:21:09,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:09,950 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:09,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 21:21:09,950 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:09,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:09,951 INFO L85 PathProgramCache]: Analyzing trace with hash 453916825, now seen corresponding path program 1 times [2022-12-13 21:21:09,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:09,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693483102] [2022-12-13 21:21:09,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:09,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:21:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:21:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:21:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-12-13 21:21:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 21:21:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-12-13 21:21:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:21:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:21:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 21:21:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:21:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:21:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 21:21:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:21:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-13 21:21:10,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:21:10,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693483102] [2022-12-13 21:21:10,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693483102] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:21:10,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406010343] [2022-12-13 21:21:10,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:21:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:21:10,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:21:10,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 21:21:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:11,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 21:21:11,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 21:21:11,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:21:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-13 21:21:12,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406010343] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:21:12,020 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:21:12,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2022-12-13 21:21:12,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639578640] [2022-12-13 21:21:12,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:21:12,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 21:21:12,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:21:12,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 21:21:12,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:21:12,022 INFO L87 Difference]: Start difference. First operand 16227 states and 24610 transitions. Second operand has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 21:21:14,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:16,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:18,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:21:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:24,345 INFO L93 Difference]: Finished difference Result 34935 states and 53127 transitions. [2022-12-13 21:21:24,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 21:21:24,346 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 153 [2022-12-13 21:21:24,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:24,395 INFO L225 Difference]: With dead ends: 34935 [2022-12-13 21:21:24,395 INFO L226 Difference]: Without dead ends: 18706 [2022-12-13 21:21:24,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2022-12-13 21:21:24,423 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 956 mSDsluCounter, 5360 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 920 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 6390 SdHoareTripleChecker+Invalid, 3730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:24,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 6390 Invalid, 3730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 2807 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2022-12-13 21:21:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18706 states. [2022-12-13 21:21:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18706 to 16242. [2022-12-13 21:21:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16242 states, 11829 states have (on average 1.3362921633274156) internal successors, (15807), 12291 states have internal predecessors, (15807), 3186 states have call successors, (3186), 816 states have call predecessors, (3186), 1226 states have return successors, (5632), 3240 states have call predecessors, (5632), 3183 states have call successors, (5632) [2022-12-13 21:21:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16242 states to 16242 states and 24625 transitions. [2022-12-13 21:21:25,571 INFO L78 Accepts]: Start accepts. Automaton has 16242 states and 24625 transitions. Word has length 153 [2022-12-13 21:21:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:25,571 INFO L495 AbstractCegarLoop]: Abstraction has 16242 states and 24625 transitions. [2022-12-13 21:21:25,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.266666666666667) internal successors, (139), 10 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 5 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 21:21:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand 16242 states and 24625 transitions. [2022-12-13 21:21:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 21:21:25,576 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:25,576 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 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] [2022-12-13 21:21:25,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 21:21:25,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:21:25,777 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:25,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:25,779 INFO L85 PathProgramCache]: Analyzing trace with hash 686660894, now seen corresponding path program 2 times [2022-12-13 21:21:25,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:21:25,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41797023] [2022-12-13 21:21:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:21:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:21:26,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:21:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:21:26,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:21:26,292 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:21:26,293 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:21:26,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 21:21:26,297 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:26,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:21:26,329 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 21:21:26,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:21:26 BoogieIcfgContainer [2022-12-13 21:21:26,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:21:26,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:21:26,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:21:26,500 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:21:26,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:18" (3/4) ... [2022-12-13 21:21:26,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:21:26,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:21:26,504 INFO L158 Benchmark]: Toolchain (without parser) took 194747.77ms. Allocated memory was 134.2MB in the beginning and 973.1MB in the end (delta: 838.9MB). Free memory was 82.6MB in the beginning and 339.7MB in the end (delta: -257.1MB). Peak memory consumption was 583.2MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,504 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 134.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:21:26,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.37ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 83.3MB in the end (delta: -1.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.52ms. Allocated memory is still 174.1MB. Free memory was 83.3MB in the beginning and 65.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,504 INFO L158 Benchmark]: Boogie Preprocessor took 140.23ms. Allocated memory is still 174.1MB. Free memory was 65.5MB in the beginning and 92.8MB in the end (delta: -27.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,504 INFO L158 Benchmark]: RCFGBuilder took 4504.80ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 92.8MB in the beginning and 80.0MB in the end (delta: 12.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,505 INFO L158 Benchmark]: TraceAbstraction took 188434.12ms. Allocated memory was 213.9MB in the beginning and 973.1MB in the end (delta: 759.2MB). Free memory was 78.9MB in the beginning and 339.7MB in the end (delta: -260.7MB). Peak memory consumption was 701.7MB. Max. memory is 16.1GB. [2022-12-13 21:21:26,505 INFO L158 Benchmark]: Witness Printer took 3.02ms. Allocated memory is still 973.1MB. Free memory is still 339.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:21:26,506 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 134.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.37ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 82.1MB in the beginning and 83.3MB in the end (delta: -1.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.52ms. Allocated memory is still 174.1MB. Free memory was 83.3MB in the beginning and 65.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.23ms. Allocated memory is still 174.1MB. Free memory was 65.5MB in the beginning and 92.8MB in the end (delta: -27.3MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4504.80ms. Allocated memory was 174.1MB in the beginning and 213.9MB in the end (delta: 39.8MB). Free memory was 92.8MB in the beginning and 80.0MB in the end (delta: 12.8MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * TraceAbstraction took 188434.12ms. Allocated memory was 213.9MB in the beginning and 973.1MB in the end (delta: 759.2MB). Free memory was 78.9MB in the beginning and 339.7MB in the end (delta: -260.7MB). Peak memory consumption was 701.7MB. Max. memory is 16.1GB. * Witness Printer took 3.02ms. Allocated memory is still 973.1MB. Free memory is still 339.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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: 7054]: 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 8531, overapproximation of bitwiseAnd at line 8537. Possible FailurePath: [L7077] int LDV_IN_INTERRUPT = 1; [L7078] struct usb_interface *mwifiex_usb_driver_group1 ; [L7079] int ldv_state_variable_2 ; [L7080] int ref_cnt ; [L7081] struct mwifiex_adapter *usb_ops_group0 ; [L7082] int ldv_state_variable_1 ; [L7083] int usb_counter ; [L7084] struct sk_buff *usb_ops_group1 ; [L7085] int ldv_state_variable_0 ; [L7166-L7168] static char const usbdriver_name[8U] = { 'u', 's', 'b', '8', '7', '9', '7', '\000'}; [L7170] static struct semaphore add_remove_card_sem ; [L7171] static struct usb_card_rec *usb_card ; [L7172-L7176] static struct usb_device_id mwifiex_usb_table[3U] = { {3U, 4742U, 8259U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8260U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}}; [L7177] struct usb_device_id const __mod_usb_device_table ; [L8001-L8007] static struct usb_driver mwifiex_usb_driver = {(char const *)(& usbdriver_name), & mwifiex_usb_probe, & mwifiex_usb_disconnect, 0, & mwifiex_usb_suspend, & mwifiex_usb_resume, 0, 0, 0, (struct usb_device_id const *)(& mwifiex_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0, (unsigned char)0}; [L8502-L8506] static struct mwifiex_if_ops usb_ops = {0, 0, 0, 0, & mwifiex_register_dev, & mwifiex_unregister_dev, 0, 0, 0, & mwifiex_usb_host_to_card, & mwifiex_pm_wakeup_card, & mwifiex_pm_wakeup_card_complete, 0, 0, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_data_complete, 0, & mwifiex_usb_dnld_fw, 0, 0}; [L8586] int ldv_retval_0 ; [L8587] int ldv_retval_4 ; [L8588] int ldv_retval_1 ; [L8592] int ldv_retval_3 ; [L8593] int ldv_retval_2 ; [L8989] int INTERF_STATE = 0; [L8990] int SERIAL_STATE = 0; [L8991] void *usb_intfdata = 0; [L8992] struct urb *usb_urb = 0; [L8993] struct usb_device *usb_dev = 0; [L8994] int dev_counter = 0; [L8995] int completeFnIntCounter = 0; [L8996] int completeFnBulkCounter = 0; [L8997] void (*completeFnInt)(struct urb * ) ; [L8998] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8617] u8 ldvarg1 ; [L8618] u8 tmp ; [L8619] struct mwifiex_tx_param *ldvarg0 ; [L8620] void *tmp___0 ; [L8621] struct mwifiex_fw_image *ldvarg2 ; [L8622] void *tmp___1 ; [L8623] struct usb_device_id *ldvarg4 ; [L8624] void *tmp___2 ; [L8625] pm_message_t ldvarg3 ; [L8626] int tmp___3 ; [L8627] int tmp___4 ; [L8628] int tmp___5 ; [L8629] int tmp___6 ; [L8631] tmp = __VERIFIER_nondet_u8() [L8632] ldvarg1 = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] CALL, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=4, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=4, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] RET, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] tmp___0 = ldv_zalloc(4UL) [L8634] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=59, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] tmp___1 = ldv_zalloc(32UL) [L8636] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] tmp___2 = ldv_zalloc(32UL) [L8638] ldvarg4 = (struct usb_device_id *)tmp___2 [L8639] FCALL ldv_initialize() [L8640] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={169:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8641] ldv_state_variable_1 = 0 [L8642] ref_cnt = 0 [L8643] ldv_state_variable_0 = 1 [L8644] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: [L8734] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8735] COND TRUE ldv_state_variable_0 == 1 [L8736] CALL, EXPR mwifiex_usb_init_module() [L8509] int ret ; [L8510] struct _ddebug descriptor ; [L8511] long tmp ; [L8512] struct _ddebug descriptor___0 ; [L8513] long tmp___0 ; [L8515] descriptor.modname = "mwifiex_usb" [L8516] descriptor.function = "mwifiex_usb_init_module" [L8517] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8518] descriptor.format = "Marvell USB8797 Driver\n" [L8519] descriptor.lineno = 1030U [L8520] descriptor.flags = 0U [L8521] EXPR descriptor.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor.flags=0, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor.flags=0, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=0, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8522] COND FALSE !(tmp != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8526] CALL sema_init(& add_remove_card_sem, 1) [L6892] struct lock_class_key __key ; [L6893] struct semaphore __constr_expr_0 ; [L6895] __constr_expr_0.lock.raw_lock.ldv_2243.head_tail = 0U [L6896] __constr_expr_0.lock.magic = 3735899821U [L6897] __constr_expr_0.lock.owner_cpu = 4294967295U [L6898] __constr_expr_0.lock.owner = (void *)-1 [L6899] __constr_expr_0.lock.dep_map.key = 0 [L6900] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L6901] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L6902] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L6903] __constr_expr_0.lock.dep_map.cpu = 0 [L6904] __constr_expr_0.lock.dep_map.ip = 0UL [L6905] __constr_expr_0.count = (unsigned int )val [L6906] __constr_expr_0.wait_list.next = & sem->wait_list [L6907] __constr_expr_0.wait_list.prev = & sem->wait_list [L6908] *sem = __constr_expr_0 [L6909] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L6910] return; [L6910] return; VAL [={0:0}, ={0:0}, \old(val)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, sem={161:0}, sem={161:0}, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, val=1] [L8526] RET sema_init(& add_remove_card_sem, 1) [L8527] CALL, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8961] ldv_func_ret_type ldv_func_res ; [L8962] int tmp ; [L8964] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9357] return __VERIFIER_nondet_int(); [L8964] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8964] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8965] ldv_func_res = tmp [L8966] ldv_state_variable_2 = 1 [L8967] usb_counter = 0 [L8968] CALL ldv_usb_driver_2() [L8596] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1520UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] tmp = ldv_zalloc(1520UL) [L8599] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8968] RET ldv_usb_driver_2() [L8969] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={163:0}, ldv_func_arg1={163:0}, ldv_func_arg2={4294967312:4294967304}, ldv_func_arg2={4294967312:4294967304}, ldv_func_arg3={153:0}, ldv_func_arg3={153:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8527] RET, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8527] ret = ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8528] COND FALSE !(ret != 0) [L8531] descriptor___0.modname = "mwifiex_usb" [L8532] descriptor___0.function = "mwifiex_usb_init_module" [L8533] descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8534] descriptor___0.format = "info: Driver registered successfully!\n" [L8535] descriptor___0.lineno = 1038U [L8536] descriptor___0.flags = 0U [L8537] EXPR descriptor___0.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=0, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8538] COND FALSE !(tmp___0 != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={165:0}, descriptor___0={166:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8543] return (ret); [L8543] return (ret); [L8543] return (ret); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8736] RET, EXPR mwifiex_usb_init_module() [L8736] ldv_retval_0 = mwifiex_usb_init_module() [L8737] COND TRUE ldv_retval_0 == 0 [L8738] ldv_state_variable_0 = 3 [L8739] ldv_state_variable_1 = 1 [L8740] CALL ldv_initialize_mwifiex_if_ops_1() [L8605] void *tmp ; [L8606] void *tmp___0 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] CALL, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=5920, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=5920, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] RET, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(5920UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] tmp = ldv_zalloc(5920UL) [L8609] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] CALL, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=240, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=240, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] RET, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(240UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] tmp___0 = ldv_zalloc(240UL) [L8611] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8740] RET ldv_initialize_mwifiex_if_ops_1() [L8743] COND FALSE !(ldv_retval_0 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8649] COND TRUE ldv_state_variable_1 != 0 [L8650] tmp___4 = __VERIFIER_nondet_int() [L8652] case 0: [L8659] case 1: [L8666] case 2: [L8673] case 3: [L8680] case 4: [L8687] case 5: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8688] COND TRUE ldv_state_variable_1 == 1 [L8689] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8435] int ret ; [L8436] struct usb_card_rec *card ; [L8438] EXPR adapter->card [L8438] card = (struct usb_card_rec *)adapter->card [L8439] EXPR card->usb_boot_state VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, card->usb_boot_state=171, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8439] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8451] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8045] struct usb_card_rec *card ; [L8046] int i ; [L8047] int tmp ; [L8048] int tmp___0 ; [L8050] EXPR adapter->card [L8050] card = (struct usb_card_rec *)adapter->card [L8051] card->rx_cmd.adapter = adapter [L8052] EXPR card->rx_cmd_ep [L8052] card->rx_cmd.ep = card->rx_cmd_ep [L8053] CALL, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8936] struct urb *tmp ; VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8938] CALL, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9021] struct urb *value ; [L9022] void *tmp ; [L9023] int tmp___0 ; VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND FALSE !(tmp___0 != 0) [L7010] tmp = malloc(size) [L7011] p = tmp VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L6998] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7013] return (p); VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={-18446744073709551617:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] tmp = ldv_malloc(sizeof(struct urb)) [L9026] value = tmp VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9027] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7036] int tmp ; [L7038] tmp = __VERIFIER_nondet_int() [L7039] return (tmp); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9027] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_undef_int()=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9027] tmp___0 = ldv_undef_int() [L9028] COND TRUE \read(tmp___0) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9029] COND TRUE (unsigned long )value != (unsigned long )((struct urb *)0) [L9030] usb_urb = value VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L9035] return (usb_urb); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}, value={-18446744073709551617:0}] [L8938] RET, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, ldv_alloc_urb()={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8938] tmp = ldv_alloc_urb() [L8939] return (tmp); VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551617:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8053] RET, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8053] card->rx_cmd.urb = ldv_usb_alloc_urb_17(0, 208U) [L8054] EXPR card->rx_cmd.urb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, card->rx_cmd.urb={-18446744073709551617:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8054] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8059] CALL, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7104] struct sk_buff *tmp ; [L7106] CALL, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7096] struct sk_buff *tmp ; [L7098] CALL, EXPR __netdev_alloc_skb(dev, length, 32U) [L9240] CALL, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(size)=253, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND TRUE tmp___0 != 0 [L7008] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=253, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=253, tmp___0=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9240] RET, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct sk_buff))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9240] struct sk_buff *skb = ldv_malloc(sizeof(struct sk_buff)); [L9241] COND FALSE !(\read(*skb)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9247] return skb; VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7098] RET, EXPR __netdev_alloc_skb(dev, length, 32U) [L7098] tmp = __netdev_alloc_skb(dev, length, 32U) [L7099] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:0}, dev={0:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7106] RET, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7106] tmp = netdev_alloc_skb((struct net_device *)0, length) [L7107] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8059] RET, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_alloc_skb(2048U)={0:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8059] card->rx_cmd.skb = dev_alloc_skb(2048U) [L8060] EXPR card->rx_cmd.skb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, card->rx_cmd.skb={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8060] COND TRUE (unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0) [L8061] adapter->dev [L8062] return (-12); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8451] RET, EXPR mwifiex_usb_rx_init(adapter) [L8451] ret = mwifiex_usb_rx_init(adapter) [L8452] COND FALSE !(ret == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8456] return (ret); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={4294967306:-206}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8689] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8690] ldv_state_variable_1 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8727] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8728] CALL mwifiex_usb_cleanup_module() [L8548] int tmp ; [L8549] struct mwifiex_adapter *adapter ; [L8550] int i ; [L8551] struct mwifiex_private *tmp___0 ; [L8553] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9262] return __VERIFIER_nondet_int(); [L8553] RET, EXPR down_interruptible(& add_remove_card_sem) [L8553] tmp = down_interruptible(& add_remove_card_sem) [L8554] COND FALSE !(tmp == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8558] COND FALSE !((unsigned long )usb_card != (unsigned long )((struct usb_card_rec *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8582] CALL ldv_usb_deregister_23(& mwifiex_usb_driver) [L8975] FCALL usb_deregister(arg) [L8976] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, arg={163:0}, arg={163:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8582] RET ldv_usb_deregister_23(& mwifiex_usb_driver) [L8728] RET mwifiex_usb_cleanup_module() [L8729] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=59, ldvarg2={0:0}, ldvarg3={169:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=59, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L8830] CALL ldv_check_final_state() [L9208] COND FALSE !((unsigned long )usb_urb == (unsigned long )((struct urb *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L9210] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] [L7054] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967312:4294967304}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={-18446744073709551617:0}, usbdriver_name={160:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 855 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 188.2s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 168.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 49 mSolverCounterUnknown, 28172 SdHoareTripleChecker+Valid, 156.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26501 mSDsluCounter, 86094 SdHoareTripleChecker+Invalid, 150.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65837 mSDsCounter, 13084 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34777 IncrementalHoareTripleChecker+Invalid, 47910 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13084 mSolverCounterUnsat, 20257 mSDtfsCounter, 34777 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1047 GetRequests, 864 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16255occurred in iteration=14, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 28627 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2200 NumberOfCodeBlocks, 2200 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2177 ConstructedInterpolants, 0 QuantifiedInterpolants, 4571 SizeOfPredicates, 25 NumberOfNonLiveVariables, 6873 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 20 InterpolantComputations, 15 PerfectInterpolantSequences, 1035/1040 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:21:26,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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_31491752-b537-45a7-9ec7-66b492a55fa5/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 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:21:28,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:21:28,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:21:28,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:21:28,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:21:28,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:21:28,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:21:28,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:21:28,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:21:28,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:21:28,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:21:28,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:21:28,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:21:28,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:21:28,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:21:28,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:21:28,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:21:28,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:21:28,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:21:28,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:21:28,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:21:28,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:21:28,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:21:28,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:21:28,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:21:28,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:21:28,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:21:28,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:21:28,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:21:28,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:21:28,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:21:28,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:21:28,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:21:28,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:21:28,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:21:28,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:21:28,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:21:28,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:21:28,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:21:28,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:21:28,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:21:28,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 21:21:28,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:21:28,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:21:28,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:21:28,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:21:28,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:21:28,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:21:28,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:21:28,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:21:28,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:21:28,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:21:28,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:21:28,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:21:28,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:21:28,094 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:21:28,094 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:21:28,094 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_31491752-b537-45a7-9ec7-66b492a55fa5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 [2022-12-13 21:21:28,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:21:28,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:21:28,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:21:28,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:21:28,320 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:21:28,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:21:30,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:21:31,247 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:21:31,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:21:31,268 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/0299ad94e/91b7e13a05334a13b5d429e6f4f27a6d/FLAG0c63b867c [2022-12-13 21:21:31,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/data/0299ad94e/91b7e13a05334a13b5d429e6f4f27a6d [2022-12-13 21:21:31,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:21:31,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:21:31,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:21:31,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:21:31,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:21:31,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:21:31" (1/1) ... [2022-12-13 21:21:31,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fab8a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:31, skipping insertion in model container [2022-12-13 21:21:31,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:21:31" (1/1) ... [2022-12-13 21:21:31,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:21:31,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:21:31,784 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 21:21:31,807 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:21:31,970 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,010 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_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-12-13 21:21:32,045 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:21:32,102 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 21:21:32,103 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,106 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:21:32,106 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,108 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 21:21:32,109 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,111 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,112 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,114 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,115 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 21:21:32,115 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,115 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,122 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,123 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:21:32,123 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:21:32,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,126 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,126 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,127 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,127 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,127 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,136 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 21:21:32,138 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,139 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,140 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,144 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,145 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,170 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,172 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,173 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 21:21:32,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,174 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:21:32,174 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,179 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,179 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 21:21:32,179 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:21:32,180 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,181 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,182 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,182 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,187 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,188 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:21:32,189 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 21:21:32,189 WARN L623 FunctionHandler]: Unknown extern function usb_disable_autosuspend [2022-12-13 21:21:32,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,195 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 21:21:32,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,200 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,201 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,205 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,206 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,207 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,211 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,212 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,216 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,216 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,220 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,221 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,222 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,225 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,236 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,238 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,239 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,240 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,241 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,241 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,243 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,243 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,250 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,256 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,263 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,269 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 21:21:32,269 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 21:21:32,269 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 21:21:32,270 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate [2022-12-13 21:21:32,271 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 21:21:32,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 21:21:32,283 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:21:32,287 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 21:21:32,290 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:21:32,290 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:21:32,297 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,304 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,318 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,319 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,324 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,324 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:21:32,349 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 21:21:32,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:21:32,485 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 21:21:32,487 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:21:32,489 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,491 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_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-12-13 21:21:32,493 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:21:32,498 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 21:21:32,498 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,500 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:21:32,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,502 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 21:21:32,503 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,505 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,506 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,507 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,508 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 21:21:32,508 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,509 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,511 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,511 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,512 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:21:32,512 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:21:32,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,514 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,515 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,515 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,516 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,516 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,521 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 21:21:32,522 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,524 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,524 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,525 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,526 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,531 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,539 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 21:21:32,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,540 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:21:32,540 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,543 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,543 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 21:21:32,543 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:21:32,544 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,545 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,546 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,546 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,547 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,548 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:21:32,549 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 21:21:32,549 WARN L623 FunctionHandler]: Unknown extern function usb_disable_autosuspend [2022-12-13 21:21:32,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,551 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,551 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 21:21:32,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,553 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,554 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,555 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,556 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,563 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,565 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,565 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,566 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,566 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,567 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,569 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,572 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,573 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,573 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,574 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,575 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,578 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,578 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,582 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 21:21:32,582 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 21:21:32,582 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 21:21:32,583 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate [2022-12-13 21:21:32,583 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 21:21:32,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 21:21:32,585 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:21:32,589 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 21:21:32,592 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:21:32,593 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:21:32,594 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,599 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,599 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,601 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,602 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:21:32,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:21:32,727 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 21:21:32,731 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 21:21:32,733 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,735 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_31491752-b537-45a7-9ec7-66b492a55fa5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2022-12-13 21:21:32,736 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:21:32,740 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_hs_config [2022-12-13 21:21:32,740 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,742 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 21:21:32,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,744 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,744 WARN L623 FunctionHandler]: Unknown extern function mwifiex_process_sleep_confirm_resp [2022-12-13 21:21:32,745 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,747 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,774 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,774 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 21:21:32,775 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,775 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,778 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,779 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,779 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 21:21:32,779 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:21:32,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,782 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,782 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,783 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,783 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,784 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,790 WARN L623 FunctionHandler]: Unknown extern function mwifiex_write_data_complete [2022-12-13 21:21:32,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,793 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,793 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,794 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,796 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,804 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,811 WARN L623 FunctionHandler]: Unknown extern function mwifiex_add_card [2022-12-13 21:21:32,811 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,812 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 21:21:32,812 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,814 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,814 WARN L623 FunctionHandler]: Unknown extern function mwifiex_enable_hs [2022-12-13 21:21:32,815 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:21:32,816 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,816 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,817 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,818 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 21:21:32,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,819 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,821 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:21:32,822 WARN L623 FunctionHandler]: Unknown extern function mwifiex_cancel_hs [2022-12-13 21:21:32,822 WARN L623 FunctionHandler]: Unknown extern function usb_disable_autosuspend [2022-12-13 21:21:32,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,825 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,825 WARN L623 FunctionHandler]: Unknown extern function mwifiex_remove_card [2022-12-13 21:21:32,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,841 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,842 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,844 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,845 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,847 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,847 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,849 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 21:21:32,849 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,850 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,851 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,854 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,857 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,860 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,860 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,861 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 21:21:32,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,863 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 21:21:32,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 21:21:32,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 21:21:32,867 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 21:21:32,868 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_any [2022-12-13 21:21:32,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:21:32,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 21:21:32,872 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 21:21:32,873 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 21:21:32,873 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 21:21:32,874 WARN L623 FunctionHandler]: Unknown extern function mwifiex_deauthenticate [2022-12-13 21:21:32,875 WARN L623 FunctionHandler]: Unknown extern function mwifiex_init_shutdown_fw [2022-12-13 21:21:32,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u8 [2022-12-13 21:21:32,877 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:21:32,881 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_2 [2022-12-13 21:21:32,884 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 21:21:32,884 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 21:21:32,885 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,888 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,891 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 21:21:32,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:21:33,030 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:21:33,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33 WrapperNode [2022-12-13 21:21:33,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:21:33,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:21:33,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:21:33,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:21:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,156 INFO L138 Inliner]: procedures = 178, calls = 1186, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 2972 [2022-12-13 21:21:33,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:21:33,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:21:33,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:21:33,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:21:33,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:21:33,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:21:33,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:21:33,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:21:33,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (1/1) ... [2022-12-13 21:21:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:21:33,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:21:33,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:21:33,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 21:21:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2022-12-13 21:21:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2022-12-13 21:21:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-12-13 21:21:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2022-12-13 21:21:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2022-12-13 21:21:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 21:21:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 21:21:33,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2022-12-13 21:21:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2022-12-13 21:21:33,351 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 21:21:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 21:21:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2022-12-13 21:21:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 21:21:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-12-13 21:21:33,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-12-13 21:21:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 21:21:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 21:21:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 21:21:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:21:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2022-12-13 21:21:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-12-13 21:21:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 21:21:33,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 21:21:33,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-12-13 21:21:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2022-12-13 21:21:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 21:21:33,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 21:21:33,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:21:33,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:21:33,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-12-13 21:21:33,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-12-13 21:21:33,792 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:21:33,795 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:21:34,960 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:21:41,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 21:21:49,859 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:21:49,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:21:49,868 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 21:21:49,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:21:49 BoogieIcfgContainer [2022-12-13 21:21:49,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:21:49,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:21:49,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:21:49,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:21:49,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:21:31" (1/3) ... [2022-12-13 21:21:49,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eea9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:21:49, skipping insertion in model container [2022-12-13 21:21:49,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:21:33" (2/3) ... [2022-12-13 21:21:49,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eea9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:21:49, skipping insertion in model container [2022-12-13 21:21:49,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:21:49" (3/3) ... [2022-12-13 21:21:49,876 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2022-12-13 21:21:49,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:21:49,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:21:49,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:21:49,941 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;@1338d6da, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:21:49,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:21:49,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 853 states, 629 states have (on average 1.3847376788553258) internal successors, (871), 655 states have internal predecessors, (871), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) [2022-12-13 21:21:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 21:21:49,956 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:49,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:49,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2002313727, now seen corresponding path program 1 times [2022-12-13 21:21:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:21:49,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178123153] [2022-12-13 21:21:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:49,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:21:49,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:21:49,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:21:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:50,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:21:50,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:21:50,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:21:50,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:21:50,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178123153] [2022-12-13 21:21:50,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178123153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:50,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:21:50,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:21:50,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943135345] [2022-12-13 21:21:50,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:50,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:21:50,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:21:50,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:21:50,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:21:50,563 INFO L87 Difference]: Start difference. First operand has 853 states, 629 states have (on average 1.3847376788553258) internal successors, (871), 655 states have internal predecessors, (871), 180 states have call successors, (180), 44 states have call predecessors, (180), 42 states have return successors, (174), 166 states have call predecessors, (174), 174 states have call successors, (174) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:21:50,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:50,794 INFO L93 Difference]: Finished difference Result 1704 states and 2498 transitions. [2022-12-13 21:21:50,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:21:50,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-12-13 21:21:50,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:50,814 INFO L225 Difference]: With dead ends: 1704 [2022-12-13 21:21:50,814 INFO L226 Difference]: Without dead ends: 840 [2022-12-13 21:21:50,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:21:50,824 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 2 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3639 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:50,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3639 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:21:50,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-12-13 21:21:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 840. [2022-12-13 21:21:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 624 states have (on average 1.3717948717948718) internal successors, (856), 642 states have internal predecessors, (856), 174 states have call successors, (174), 42 states have call predecessors, (174), 41 states have return successors, (169), 161 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-13 21:21:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1199 transitions. [2022-12-13 21:21:50,912 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1199 transitions. Word has length 44 [2022-12-13 21:21:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:50,913 INFO L495 AbstractCegarLoop]: Abstraction has 840 states and 1199 transitions. [2022-12-13 21:21:50,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:21:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1199 transitions. [2022-12-13 21:21:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:21:50,917 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:50,917 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:50,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:21:51,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:51,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:51,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:51,121 INFO L85 PathProgramCache]: Analyzing trace with hash 823276732, now seen corresponding path program 1 times [2022-12-13 21:21:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:21:51,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436477646] [2022-12-13 21:21:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:51,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:21:51,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:21:51,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 21:21:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:51,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:21:51,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:21:51,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:21:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:21:52,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:21:52,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436477646] [2022-12-13 21:21:52,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436477646] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:21:52,171 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 21:21:52,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 21:21:52,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095500087] [2022-12-13 21:21:52,171 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 21:21:52,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:21:52,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:21:52,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:21:52,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:21:52,173 INFO L87 Difference]: Start difference. First operand 840 states and 1199 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 21:21:52,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:52,762 INFO L93 Difference]: Finished difference Result 1681 states and 2401 transitions. [2022-12-13 21:21:52,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 21:21:52,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 45 [2022-12-13 21:21:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:52,766 INFO L225 Difference]: With dead ends: 1681 [2022-12-13 21:21:52,766 INFO L226 Difference]: Without dead ends: 849 [2022-12-13 21:21:52,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-13 21:21:52,769 INFO L413 NwaCegarLoop]: 1196 mSDtfsCounter, 7 mSDsluCounter, 3583 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:52,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4779 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:21:52,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2022-12-13 21:21:52,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2022-12-13 21:21:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 632 states have (on average 1.3718354430379747) internal successors, (867), 650 states have internal predecessors, (867), 174 states have call successors, (174), 43 states have call predecessors, (174), 42 states have return successors, (169), 161 states have call predecessors, (169), 169 states have call successors, (169) [2022-12-13 21:21:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1210 transitions. [2022-12-13 21:21:52,795 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1210 transitions. Word has length 45 [2022-12-13 21:21:52,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:52,795 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1210 transitions. [2022-12-13 21:21:52,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 21:21:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1210 transitions. [2022-12-13 21:21:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 21:21:52,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:52,796 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:52,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 21:21:52,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:52,997 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:52,998 INFO L85 PathProgramCache]: Analyzing trace with hash -703302463, now seen corresponding path program 2 times [2022-12-13 21:21:52,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:21:52,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82874846] [2022-12-13 21:21:52,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 21:21:52,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:21:53,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:21:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 21:21:53,366 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 21:21:53,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 21:21:53,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:21:53,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 21:21:53,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:21:53,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:21:53,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82874846] [2022-12-13 21:21:53,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82874846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:53,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:21:53,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:21:53,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986942383] [2022-12-13 21:21:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:53,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:21:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:21:53,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:21:53,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:21:53,461 INFO L87 Difference]: Start difference. First operand 849 states and 1210 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:21:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:54,403 INFO L93 Difference]: Finished difference Result 2450 states and 3501 transitions. [2022-12-13 21:21:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:21:54,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 48 [2022-12-13 21:21:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:54,409 INFO L225 Difference]: With dead ends: 2450 [2022-12-13 21:21:54,410 INFO L226 Difference]: Without dead ends: 1620 [2022-12-13 21:21:54,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:21:54,412 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 1119 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 2547 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:54,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 2547 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 21:21:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2022-12-13 21:21:54,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2022-12-13 21:21:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1204 states have (on average 1.3737541528239203) internal successors, (1654), 1236 states have internal predecessors, (1654), 332 states have call successors, (332), 84 states have call predecessors, (332), 83 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-12-13 21:21:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2313 transitions. [2022-12-13 21:21:54,462 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2313 transitions. Word has length 48 [2022-12-13 21:21:54,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:54,463 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2313 transitions. [2022-12-13 21:21:54,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 21:21:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2313 transitions. [2022-12-13 21:21:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 21:21:54,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:54,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:54,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 21:21:54,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:54,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1457421532, now seen corresponding path program 1 times [2022-12-13 21:21:54,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:21:54,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944545136] [2022-12-13 21:21:54,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:54,667 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:54,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:21:54,668 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:21:54,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 21:21:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:55,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 21:21:55,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:21:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 21:21:55,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:21:55,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:21:55,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944545136] [2022-12-13 21:21:55,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944545136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:21:55,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:21:55,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:21:55,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218097541] [2022-12-13 21:21:55,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:21:55,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:21:55,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:21:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:21:55,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:21:55,656 INFO L87 Difference]: Start difference. First operand 1620 states and 2313 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 21:21:58,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:21:58,295 INFO L93 Difference]: Finished difference Result 3568 states and 5151 transitions. [2022-12-13 21:21:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:21:58,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2022-12-13 21:21:58,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:21:58,304 INFO L225 Difference]: With dead ends: 3568 [2022-12-13 21:21:58,304 INFO L226 Difference]: Without dead ends: 1967 [2022-12-13 21:21:58,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 60 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 21:21:58,308 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 451 mSDsluCounter, 6096 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 7750 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:21:58,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 7750 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 21:21:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2022-12-13 21:21:58,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1620. [2022-12-13 21:21:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1204 states have (on average 1.3729235880398671) internal successors, (1653), 1236 states have internal predecessors, (1653), 332 states have call successors, (332), 84 states have call predecessors, (332), 83 states have return successors, (327), 311 states have call predecessors, (327), 327 states have call successors, (327) [2022-12-13 21:21:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2312 transitions. [2022-12-13 21:21:58,385 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2312 transitions. Word has length 65 [2022-12-13 21:21:58,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:21:58,385 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2312 transitions. [2022-12-13 21:21:58,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 21:21:58,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2312 transitions. [2022-12-13 21:21:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-13 21:21:58,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:21:58,387 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:21:58,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 21:21:58,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:58,589 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:21:58,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:21:58,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1676276250, now seen corresponding path program 1 times [2022-12-13 21:21:58,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:21:58,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563287383] [2022-12-13 21:21:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:21:58,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:21:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:21:58,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:21:58,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 21:21:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:21:59,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:21:59,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 21:22:00,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:00,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:00,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563287383] [2022-12-13 21:22:00,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563287383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:00,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:00,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:22:00,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759559952] [2022-12-13 21:22:00,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:00,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:00,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:00,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:00,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:00,920 INFO L87 Difference]: Start difference. First operand 1620 states and 2312 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:01,150 INFO L93 Difference]: Finished difference Result 4821 states and 7020 transitions. [2022-12-13 21:22:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:01,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 65 [2022-12-13 21:22:01,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:01,164 INFO L225 Difference]: With dead ends: 4821 [2022-12-13 21:22:01,164 INFO L226 Difference]: Without dead ends: 3220 [2022-12-13 21:22:01,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:01,169 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 1166 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:01,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 2646 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:22:01,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2022-12-13 21:22:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3210. [2022-12-13 21:22:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3210 states, 2389 states have (on average 1.3721222268731688) internal successors, (3278), 2449 states have internal predecessors, (3278), 655 states have call successors, (655), 166 states have call predecessors, (655), 165 states have return successors, (703), 618 states have call predecessors, (703), 650 states have call successors, (703) [2022-12-13 21:22:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 3210 states and 4636 transitions. [2022-12-13 21:22:01,299 INFO L78 Accepts]: Start accepts. Automaton has 3210 states and 4636 transitions. Word has length 65 [2022-12-13 21:22:01,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:01,299 INFO L495 AbstractCegarLoop]: Abstraction has 3210 states and 4636 transitions. [2022-12-13 21:22:01,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 4636 transitions. [2022-12-13 21:22:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-13 21:22:01,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:01,302 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:01,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:01,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:01,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:01,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:01,503 INFO L85 PathProgramCache]: Analyzing trace with hash 424589465, now seen corresponding path program 1 times [2022-12-13 21:22:01,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:01,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603105903] [2022-12-13 21:22:01,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:01,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:01,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:01,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 21:22:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:02,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:22:02,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 21:22:03,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:03,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:03,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603105903] [2022-12-13 21:22:03,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603105903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:03,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:03,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:22:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947204310] [2022-12-13 21:22:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:03,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:03,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:03,642 INFO L87 Difference]: Start difference. First operand 3210 states and 4636 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:04,065 INFO L93 Difference]: Finished difference Result 9583 states and 14156 transitions. [2022-12-13 21:22:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:04,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 66 [2022-12-13 21:22:04,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:04,088 INFO L225 Difference]: With dead ends: 9583 [2022-12-13 21:22:04,089 INFO L226 Difference]: Without dead ends: 6392 [2022-12-13 21:22:04,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:04,097 INFO L413 NwaCegarLoop]: 1380 mSDtfsCounter, 1156 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:04,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 2551 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:22:04,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6392 states. [2022-12-13 21:22:04,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6392 to 6383. [2022-12-13 21:22:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6383 states, 4752 states have (on average 1.3695286195286196) internal successors, (6508), 4868 states have internal predecessors, (6508), 1301 states have call successors, (1301), 330 states have call predecessors, (1301), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-12-13 21:22:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 9322 transitions. [2022-12-13 21:22:04,359 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 9322 transitions. Word has length 66 [2022-12-13 21:22:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:04,359 INFO L495 AbstractCegarLoop]: Abstraction has 6383 states and 9322 transitions. [2022-12-13 21:22:04,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 9322 transitions. [2022-12-13 21:22:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-13 21:22:04,361 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:04,361 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:04,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 21:22:04,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:04,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash 277009661, now seen corresponding path program 1 times [2022-12-13 21:22:04,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:04,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649190865] [2022-12-13 21:22:04,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:04,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:04,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:04,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:04,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:05,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:22:05,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 21:22:06,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:06,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:06,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649190865] [2022-12-13 21:22:06,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649190865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:06,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:06,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:22:06,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326686104] [2022-12-13 21:22:06,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:06,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:06,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:06,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:06,109 INFO L87 Difference]: Start difference. First operand 6383 states and 9322 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:06,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:06,397 INFO L93 Difference]: Finished difference Result 6390 states and 9328 transitions. [2022-12-13 21:22:06,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:06,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 67 [2022-12-13 21:22:06,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:06,417 INFO L225 Difference]: With dead ends: 6390 [2022-12-13 21:22:06,417 INFO L226 Difference]: Without dead ends: 6387 [2022-12-13 21:22:06,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:06,420 INFO L413 NwaCegarLoop]: 1382 mSDtfsCounter, 1153 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 2552 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:06,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 2552 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:22:06,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6387 states. [2022-12-13 21:22:06,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6387 to 6384. [2022-12-13 21:22:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6384 states, 4753 states have (on average 1.3694508731327582) internal successors, (6509), 4869 states have internal predecessors, (6509), 1301 states have call successors, (1301), 330 states have call predecessors, (1301), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-12-13 21:22:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6384 states to 6384 states and 9323 transitions. [2022-12-13 21:22:06,719 INFO L78 Accepts]: Start accepts. Automaton has 6384 states and 9323 transitions. Word has length 67 [2022-12-13 21:22:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:06,719 INFO L495 AbstractCegarLoop]: Abstraction has 6384 states and 9323 transitions. [2022-12-13 21:22:06,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6384 states and 9323 transitions. [2022-12-13 21:22:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 21:22:06,720 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:06,720 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:06,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:06,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:06,921 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2992100, now seen corresponding path program 1 times [2022-12-13 21:22:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:06,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287801180] [2022-12-13 21:22:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:06,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:06,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:06,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:06,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:07,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:22:07,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 21:22:08,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:08,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:08,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287801180] [2022-12-13 21:22:08,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287801180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:08,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:08,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:22:08,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276477723] [2022-12-13 21:22:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:08,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:08,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:08,440 INFO L87 Difference]: Start difference. First operand 6384 states and 9323 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:08,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:08,743 INFO L93 Difference]: Finished difference Result 6386 states and 9324 transitions. [2022-12-13 21:22:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:08,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2022-12-13 21:22:08,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:08,769 INFO L225 Difference]: With dead ends: 6386 [2022-12-13 21:22:08,769 INFO L226 Difference]: Without dead ends: 6383 [2022-12-13 21:22:08,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:08,773 INFO L413 NwaCegarLoop]: 1194 mSDtfsCounter, 1142 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:08,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 1194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:22:08,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6383 states. [2022-12-13 21:22:09,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6383 to 6383. [2022-12-13 21:22:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6383 states, 4753 states have (on average 1.3692404796970334) internal successors, (6508), 4868 states have internal predecessors, (6508), 1300 states have call successors, (1300), 330 states have call predecessors, (1300), 329 states have return successors, (1513), 1232 states have call predecessors, (1513), 1296 states have call successors, (1513) [2022-12-13 21:22:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 9321 transitions. [2022-12-13 21:22:09,055 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 9321 transitions. Word has length 68 [2022-12-13 21:22:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:09,055 INFO L495 AbstractCegarLoop]: Abstraction has 6383 states and 9321 transitions. [2022-12-13 21:22:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 9321 transitions. [2022-12-13 21:22:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 21:22:09,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:09,057 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:09,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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)] Forceful destruction successful, exit code 0 [2022-12-13 21:22:09,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:09,259 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash -93107232, now seen corresponding path program 1 times [2022-12-13 21:22:09,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535600186] [2022-12-13 21:22:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:09,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:09,268 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:09,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:10,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:22:10,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-13 21:22:11,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:11,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:11,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535600186] [2022-12-13 21:22:11,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535600186] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:11,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:11,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:22:11,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622623808] [2022-12-13 21:22:11,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:11,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:11,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:11,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:11,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:11,282 INFO L87 Difference]: Start difference. First operand 6383 states and 9321 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:11,530 INFO L93 Difference]: Finished difference Result 6385 states and 9322 transitions. [2022-12-13 21:22:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:11,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 69 [2022-12-13 21:22:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:11,551 INFO L225 Difference]: With dead ends: 6385 [2022-12-13 21:22:11,551 INFO L226 Difference]: Without dead ends: 6353 [2022-12-13 21:22:11,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:11,553 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 1139 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:11,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:22:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2022-12-13 21:22:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 6353. [2022-12-13 21:22:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6353 states, 4726 states have (on average 1.369022429115531) internal successors, (6470), 4840 states have internal predecessors, (6470), 1297 states have call successors, (1297), 330 states have call predecessors, (1297), 329 states have return successors, (1508), 1230 states have call predecessors, (1508), 1294 states have call successors, (1508) [2022-12-13 21:22:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6353 states to 6353 states and 9275 transitions. [2022-12-13 21:22:11,886 INFO L78 Accepts]: Start accepts. Automaton has 6353 states and 9275 transitions. Word has length 69 [2022-12-13 21:22:11,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:11,886 INFO L495 AbstractCegarLoop]: Abstraction has 6353 states and 9275 transitions. [2022-12-13 21:22:11,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 21:22:11,887 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 9275 transitions. [2022-12-13 21:22:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-13 21:22:11,890 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:11,890 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:11,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:12,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:12,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:12,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:12,091 INFO L85 PathProgramCache]: Analyzing trace with hash 696725679, now seen corresponding path program 1 times [2022-12-13 21:22:12,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:12,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745140397] [2022-12-13 21:22:12,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:12,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:12,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:12,093 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:12,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:12,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:22:12,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-13 21:22:12,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:12,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:12,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745140397] [2022-12-13 21:22:12,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745140397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:12,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:12,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:22:12,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370784134] [2022-12-13 21:22:12,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:12,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:12,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:12,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:12,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:12,917 INFO L87 Difference]: Start difference. First operand 6353 states and 9275 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 21:22:14,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:14,216 INFO L93 Difference]: Finished difference Result 17330 states and 25121 transitions. [2022-12-13 21:22:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:14,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 102 [2022-12-13 21:22:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:14,250 INFO L225 Difference]: With dead ends: 17330 [2022-12-13 21:22:14,250 INFO L226 Difference]: Without dead ends: 10994 [2022-12-13 21:22:14,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:14,266 INFO L413 NwaCegarLoop]: 1597 mSDtfsCounter, 869 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:14,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 2743 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 21:22:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10994 states. [2022-12-13 21:22:14,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10994 to 10963. [2022-12-13 21:22:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10963 states, 8116 states have (on average 1.3591670773780187) internal successors, (11031), 8329 states have internal predecessors, (11031), 2224 states have call successors, (2224), 623 states have call predecessors, (2224), 622 states have return successors, (2573), 2098 states have call predecessors, (2573), 2221 states have call successors, (2573) [2022-12-13 21:22:14,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10963 states to 10963 states and 15828 transitions. [2022-12-13 21:22:14,809 INFO L78 Accepts]: Start accepts. Automaton has 10963 states and 15828 transitions. Word has length 102 [2022-12-13 21:22:14,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:14,810 INFO L495 AbstractCegarLoop]: Abstraction has 10963 states and 15828 transitions. [2022-12-13 21:22:14,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 21:22:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 10963 states and 15828 transitions. [2022-12-13 21:22:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-13 21:22:14,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:14,814 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:14,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:15,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:15,015 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:15,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:15,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1862390503, now seen corresponding path program 1 times [2022-12-13 21:22:15,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:15,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539941048] [2022-12-13 21:22:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:15,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:15,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:15,018 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:15,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:16,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 21:22:16,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 21:22:16,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:16,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:16,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539941048] [2022-12-13 21:22:16,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539941048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:16,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:16,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:22:16,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915080550] [2022-12-13 21:22:16,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:16,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:22:16,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:16,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:22:16,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:22:16,288 INFO L87 Difference]: Start difference. First operand 10963 states and 15828 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 21:22:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:18,379 INFO L93 Difference]: Finished difference Result 17838 states and 25660 transitions. [2022-12-13 21:22:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:22:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-12-13 21:22:18,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:18,406 INFO L225 Difference]: With dead ends: 17838 [2022-12-13 21:22:18,406 INFO L226 Difference]: Without dead ends: 6891 [2022-12-13 21:22:18,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:22:18,433 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 38 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4755 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:18,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4755 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 21:22:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2022-12-13 21:22:18,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6775. [2022-12-13 21:22:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6775 states, 5016 states have (on average 1.3528708133971292) internal successors, (6786), 5151 states have internal predecessors, (6786), 1362 states have call successors, (1362), 397 states have call predecessors, (1362), 396 states have return successors, (1549), 1280 states have call predecessors, (1549), 1359 states have call successors, (1549) [2022-12-13 21:22:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6775 states to 6775 states and 9697 transitions. [2022-12-13 21:22:18,783 INFO L78 Accepts]: Start accepts. Automaton has 6775 states and 9697 transitions. Word has length 128 [2022-12-13 21:22:18,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:18,783 INFO L495 AbstractCegarLoop]: Abstraction has 6775 states and 9697 transitions. [2022-12-13 21:22:18,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 21:22:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 6775 states and 9697 transitions. [2022-12-13 21:22:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 21:22:18,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:18,788 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:18,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:18,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:18,989 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:18,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:18,989 INFO L85 PathProgramCache]: Analyzing trace with hash -948611006, now seen corresponding path program 1 times [2022-12-13 21:22:18,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:18,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501605538] [2022-12-13 21:22:18,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:18,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:18,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:18,991 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:18,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:20,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 21:22:20,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 21:22:20,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:20,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:20,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [501605538] [2022-12-13 21:22:20,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [501605538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:20,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:20,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:22:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709697280] [2022-12-13 21:22:20,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:20,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:22:20,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:20,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:22:20,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:22:20,246 INFO L87 Difference]: Start difference. First operand 6775 states and 9697 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 21:22:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:23,596 INFO L93 Difference]: Finished difference Result 12440 states and 17831 transitions. [2022-12-13 21:22:23,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:22:23,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-12-13 21:22:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:23,611 INFO L225 Difference]: With dead ends: 12440 [2022-12-13 21:22:23,611 INFO L226 Difference]: Without dead ends: 6789 [2022-12-13 21:22:23,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 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 21:22:23,620 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 435 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 6660 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:23,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 6660 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-12-13 21:22:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2022-12-13 21:22:24,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6775. [2022-12-13 21:22:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6775 states, 5016 states have (on average 1.35207336523126) internal successors, (6782), 5151 states have internal predecessors, (6782), 1362 states have call successors, (1362), 397 states have call predecessors, (1362), 396 states have return successors, (1549), 1280 states have call predecessors, (1549), 1359 states have call successors, (1549) [2022-12-13 21:22:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6775 states to 6775 states and 9693 transitions. [2022-12-13 21:22:24,033 INFO L78 Accepts]: Start accepts. Automaton has 6775 states and 9693 transitions. Word has length 134 [2022-12-13 21:22:24,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:24,034 INFO L495 AbstractCegarLoop]: Abstraction has 6775 states and 9693 transitions. [2022-12-13 21:22:24,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 21:22:24,034 INFO L276 IsEmpty]: Start isEmpty. Operand 6775 states and 9693 transitions. [2022-12-13 21:22:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-13 21:22:24,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:24,039 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:24,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:24,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:24,240 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:24,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:24,240 INFO L85 PathProgramCache]: Analyzing trace with hash -871710208, now seen corresponding path program 1 times [2022-12-13 21:22:24,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:24,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052165319] [2022-12-13 21:22:24,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:24,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:24,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:24,243 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:24,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 21:22:25,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 21:22:25,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:25,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:25,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052165319] [2022-12-13 21:22:25,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052165319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:25,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:25,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:22:25,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013167267] [2022-12-13 21:22:25,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:25,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:22:25,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:25,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:22:25,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:22:25,598 INFO L87 Difference]: Start difference. First operand 6775 states and 9693 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:22:26,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:26,031 INFO L93 Difference]: Finished difference Result 12478 states and 17953 transitions. [2022-12-13 21:22:26,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:22:26,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2022-12-13 21:22:26,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:26,050 INFO L225 Difference]: With dead ends: 12478 [2022-12-13 21:22:26,050 INFO L226 Difference]: Without dead ends: 6827 [2022-12-13 21:22:26,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 21:22:26,061 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 4 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:26,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4779 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:22:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6827 states. [2022-12-13 21:22:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6827 to 6809. [2022-12-13 21:22:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6809 states, 5040 states have (on average 1.3511904761904763) internal successors, (6810), 5177 states have internal predecessors, (6810), 1366 states have call successors, (1366), 397 states have call predecessors, (1366), 402 states have return successors, (1589), 1288 states have call predecessors, (1589), 1363 states have call successors, (1589) [2022-12-13 21:22:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 9765 transitions. [2022-12-13 21:22:26,391 INFO L78 Accepts]: Start accepts. Automaton has 6809 states and 9765 transitions. Word has length 134 [2022-12-13 21:22:26,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:26,391 INFO L495 AbstractCegarLoop]: Abstraction has 6809 states and 9765 transitions. [2022-12-13 21:22:26,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 21:22:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6809 states and 9765 transitions. [2022-12-13 21:22:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 21:22:26,395 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:26,395 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:26,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:26,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:26,596 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:26,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:26,598 INFO L85 PathProgramCache]: Analyzing trace with hash -411751834, now seen corresponding path program 1 times [2022-12-13 21:22:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:26,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298209636] [2022-12-13 21:22:26,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:26,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:26,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:26,605 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:27,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 21:22:27,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 21:22:29,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:29,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:29,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298209636] [2022-12-13 21:22:29,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298209636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:29,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:29,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 21:22:29,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113381808] [2022-12-13 21:22:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:29,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 21:22:29,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:29,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 21:22:29,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:22:29,061 INFO L87 Difference]: Start difference. First operand 6809 states and 9765 transitions. Second operand has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 21:22:40,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:40,917 INFO L93 Difference]: Finished difference Result 14837 states and 21719 transitions. [2022-12-13 21:22:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 21:22:40,919 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) Word has length 140 [2022-12-13 21:22:40,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:40,941 INFO L225 Difference]: With dead ends: 14837 [2022-12-13 21:22:40,941 INFO L226 Difference]: Without dead ends: 9152 [2022-12-13 21:22:40,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2022-12-13 21:22:40,952 INFO L413 NwaCegarLoop]: 2425 mSDtfsCounter, 2566 mSDsluCounter, 25907 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 28332 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:40,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 28332 Invalid, 1319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [207 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-13 21:22:40,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9152 states. [2022-12-13 21:22:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9152 to 6795. [2022-12-13 21:22:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6795 states, 5026 states have (on average 1.3507759649820932) internal successors, (6789), 5164 states have internal predecessors, (6789), 1366 states have call successors, (1366), 397 states have call predecessors, (1366), 402 states have return successors, (1589), 1287 states have call predecessors, (1589), 1363 states have call successors, (1589) [2022-12-13 21:22:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 9744 transitions. [2022-12-13 21:22:41,379 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 9744 transitions. Word has length 140 [2022-12-13 21:22:41,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:41,380 INFO L495 AbstractCegarLoop]: Abstraction has 6795 states and 9744 transitions. [2022-12-13 21:22:41,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.076923076923077) internal successors, (92), 10 states have internal predecessors, (92), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 5 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 21:22:41,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 9744 transitions. [2022-12-13 21:22:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-13 21:22:41,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:41,383 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:41,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:41,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:41,585 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:41,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1095627296, now seen corresponding path program 1 times [2022-12-13 21:22:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:41,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049195979] [2022-12-13 21:22:41,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:41,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:41,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:41,594 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:41,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:42,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1643 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 21:22:42,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 21:22:42,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:42,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:42,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049195979] [2022-12-13 21:22:42,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049195979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:42,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:42,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:22:42,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754838481] [2022-12-13 21:22:42,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:42,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:22:42,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:42,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:22:42,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:42,662 INFO L87 Difference]: Start difference. First operand 6795 states and 9744 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 21:22:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:43,415 INFO L93 Difference]: Finished difference Result 16528 states and 23689 transitions. [2022-12-13 21:22:43,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:22:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2022-12-13 21:22:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:43,437 INFO L225 Difference]: With dead ends: 16528 [2022-12-13 21:22:43,437 INFO L226 Difference]: Without dead ends: 9375 [2022-12-13 21:22:43,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:22:43,449 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 894 mSDsluCounter, 1151 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 894 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:43,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [894 Valid, 2893 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 21:22:43,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9375 states. [2022-12-13 21:22:43,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9375 to 9258. [2022-12-13 21:22:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9258 states, 6876 states have (on average 1.3534031413612566) internal successors, (9306), 7071 states have internal predecessors, (9306), 1814 states have call successors, (1814), 556 states have call predecessors, (1814), 567 states have return successors, (2172), 1692 states have call predecessors, (2172), 1811 states have call successors, (2172) [2022-12-13 21:22:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9258 states to 9258 states and 13292 transitions. [2022-12-13 21:22:43,996 INFO L78 Accepts]: Start accepts. Automaton has 9258 states and 13292 transitions. Word has length 138 [2022-12-13 21:22:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:43,997 INFO L495 AbstractCegarLoop]: Abstraction has 9258 states and 13292 transitions. [2022-12-13 21:22:43,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 21:22:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 9258 states and 13292 transitions. [2022-12-13 21:22:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 21:22:44,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:44,000 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:22:44,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:44,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:44,201 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:44,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2025189890, now seen corresponding path program 1 times [2022-12-13 21:22:44,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:44,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661925315] [2022-12-13 21:22:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:44,210 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:44,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:22:45,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:22:45,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:22:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 21:22:45,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:22:45,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:22:45,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661925315] [2022-12-13 21:22:45,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661925315] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:22:45,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:22:45,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:22:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481493528] [2022-12-13 21:22:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:22:45,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:22:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:22:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:22:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:22:45,662 INFO L87 Difference]: Start difference. First operand 9258 states and 13292 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 21:22:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:22:47,181 INFO L93 Difference]: Finished difference Result 23905 states and 35192 transitions. [2022-12-13 21:22:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:22:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-12-13 21:22:47,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:22:47,214 INFO L225 Difference]: With dead ends: 23905 [2022-12-13 21:22:47,214 INFO L226 Difference]: Without dead ends: 14692 [2022-12-13 21:22:47,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:22:47,230 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 1099 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1179 SdHoareTripleChecker+Valid, 4771 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:22:47,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1179 Valid, 4771 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:22:47,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14692 states. [2022-12-13 21:22:47,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14692 to 9274. [2022-12-13 21:22:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9274 states, 6892 states have (on average 1.352582704585026) internal successors, (9322), 7087 states have internal predecessors, (9322), 1814 states have call successors, (1814), 556 states have call predecessors, (1814), 567 states have return successors, (2172), 1692 states have call predecessors, (2172), 1811 states have call successors, (2172) [2022-12-13 21:22:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9274 states to 9274 states and 13308 transitions. [2022-12-13 21:22:47,904 INFO L78 Accepts]: Start accepts. Automaton has 9274 states and 13308 transitions. Word has length 161 [2022-12-13 21:22:47,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:22:47,905 INFO L495 AbstractCegarLoop]: Abstraction has 9274 states and 13308 transitions. [2022-12-13 21:22:47,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 21:22:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 9274 states and 13308 transitions. [2022-12-13 21:22:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 21:22:47,908 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:22:47,908 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 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] [2022-12-13 21:22:47,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:22:48,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:48,110 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:22:48,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:22:48,111 INFO L85 PathProgramCache]: Analyzing trace with hash 686660894, now seen corresponding path program 1 times [2022-12-13 21:22:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:22:48,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034857203] [2022-12-13 21:22:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:22:48,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:22:48,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:22:48,119 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:22:48,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:23:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:23:27,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:23:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:23:46,481 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:23:46,481 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:23:46,482 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:23:46,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/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 21:23:46,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:23:46,693 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:23:46,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:23:46,750 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 21:23:46,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:23:46 BoogieIcfgContainer [2022-12-13 21:23:46,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:23:46,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:23:46,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:23:46,868 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:23:46,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:21:49" (3/4) ... [2022-12-13 21:23:46,870 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:23:46,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:23:46,871 INFO L158 Benchmark]: Toolchain (without parser) took 135588.85ms. Allocated memory was 96.5MB in the beginning and 941.6MB in the end (delta: 845.2MB). Free memory was 63.1MB in the beginning and 190.1MB in the end (delta: -127.0MB). Peak memory consumption was 718.4MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,871 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:23:46,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1748.29ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 62.8MB in the beginning and 79.5MB in the end (delta: -16.7MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.65ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 62.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,871 INFO L158 Benchmark]: Boogie Preprocessor took 139.90ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 62.9MB in the beginning and 156.4MB in the end (delta: -93.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,871 INFO L158 Benchmark]: RCFGBuilder took 16573.10ms. Allocated memory is still 232.8MB. Free memory was 156.4MB in the beginning and 117.2MB in the end (delta: 39.2MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,872 INFO L158 Benchmark]: TraceAbstraction took 116995.48ms. Allocated memory was 232.8MB in the beginning and 941.6MB in the end (delta: 708.8MB). Free memory was 116.1MB in the beginning and 190.1MB in the end (delta: -74.0MB). Peak memory consumption was 634.9MB. Max. memory is 16.1GB. [2022-12-13 21:23:46,872 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 941.6MB. Free memory is still 190.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:23:46,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1748.29ms. Allocated memory was 96.5MB in the beginning and 142.6MB in the end (delta: 46.1MB). Free memory was 62.8MB in the beginning and 79.5MB in the end (delta: -16.7MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.65ms. Allocated memory is still 142.6MB. Free memory was 79.5MB in the beginning and 62.9MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.90ms. Allocated memory was 142.6MB in the beginning and 232.8MB in the end (delta: 90.2MB). Free memory was 62.9MB in the beginning and 156.4MB in the end (delta: -93.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * RCFGBuilder took 16573.10ms. Allocated memory is still 232.8MB. Free memory was 156.4MB in the beginning and 117.2MB in the end (delta: 39.2MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * TraceAbstraction took 116995.48ms. Allocated memory was 232.8MB in the beginning and 941.6MB in the end (delta: 708.8MB). Free memory was 116.1MB in the beginning and 190.1MB in the end (delta: -74.0MB). Peak memory consumption was 634.9MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 941.6MB. Free memory is still 190.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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: 7054]: 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 8531. Possible FailurePath: [L7077] int LDV_IN_INTERRUPT = 1; [L7078] struct usb_interface *mwifiex_usb_driver_group1 ; [L7079] int ldv_state_variable_2 ; [L7080] int ref_cnt ; [L7081] struct mwifiex_adapter *usb_ops_group0 ; [L7082] int ldv_state_variable_1 ; [L7083] int usb_counter ; [L7084] struct sk_buff *usb_ops_group1 ; [L7085] int ldv_state_variable_0 ; [L7166-L7168] static char const usbdriver_name[8U] = { 'u', 's', 'b', '8', '7', '9', '7', '\000'}; [L7170] static struct semaphore add_remove_card_sem ; [L7171] static struct usb_card_rec *usb_card ; [L7172-L7176] static struct usb_device_id mwifiex_usb_table[3U] = { {3U, 4742U, 8259U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {899U, 4742U, 8260U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 255U, 255U, 255U, (unsigned char)0, 0UL}}; [L7177] struct usb_device_id const __mod_usb_device_table ; [L8001-L8007] static struct usb_driver mwifiex_usb_driver = {(char const *)(& usbdriver_name), & mwifiex_usb_probe, & mwifiex_usb_disconnect, 0, & mwifiex_usb_suspend, & mwifiex_usb_resume, 0, 0, 0, (struct usb_device_id const *)(& mwifiex_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0, (unsigned char)0}; [L8502-L8506] static struct mwifiex_if_ops usb_ops = {0, 0, 0, 0, & mwifiex_register_dev, & mwifiex_unregister_dev, 0, 0, 0, & mwifiex_usb_host_to_card, & mwifiex_pm_wakeup_card, & mwifiex_pm_wakeup_card_complete, 0, 0, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_cmd_event_complete, & mwifiex_usb_data_complete, 0, & mwifiex_usb_dnld_fw, 0, 0}; [L8586] int ldv_retval_0 ; [L8587] int ldv_retval_4 ; [L8588] int ldv_retval_1 ; [L8592] int ldv_retval_3 ; [L8593] int ldv_retval_2 ; [L8989] int INTERF_STATE = 0; [L8990] int SERIAL_STATE = 0; [L8991] void *usb_intfdata = 0; [L8992] struct urb *usb_urb = 0; [L8993] struct usb_device *usb_dev = 0; [L8994] int dev_counter = 0; [L8995] int completeFnIntCounter = 0; [L8996] int completeFnBulkCounter = 0; [L8997] void (*completeFnInt)(struct urb * ) ; [L8998] void (*completeFnBulk)(struct urb * ) ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8617] u8 ldvarg1 ; [L8618] u8 tmp ; [L8619] struct mwifiex_tx_param *ldvarg0 ; [L8620] void *tmp___0 ; [L8621] struct mwifiex_fw_image *ldvarg2 ; [L8622] void *tmp___1 ; [L8623] struct usb_device_id *ldvarg4 ; [L8624] void *tmp___2 ; [L8625] pm_message_t ldvarg3 ; [L8626] int tmp___3 ; [L8627] int tmp___4 ; [L8628] int tmp___5 ; [L8629] int tmp___6 ; [L8631] tmp = __VERIFIER_nondet_u8() [L8632] ldvarg1 = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1=2, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] CALL, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=4, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=4, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] RET, EXPR ldv_zalloc(4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg1=2, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8633] tmp___0 = ldv_zalloc(4UL) [L8634] ldvarg0 = (struct mwifiex_tx_param *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8635] tmp___1 = ldv_zalloc(32UL) [L8636] ldvarg2 = (struct mwifiex_fw_image *)tmp___1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8637] tmp___2 = ldv_zalloc(32UL) [L8638] ldvarg4 = (struct usb_device_id *)tmp___2 [L8639] FCALL ldv_initialize() [L8640] FCALL memset((void *)(& ldvarg3), 0, 4UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, memset((void *)(& ldvarg3), 0, 4UL)={430:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8641] ldv_state_variable_1 = 0 [L8642] ref_cnt = 0 [L8643] ldv_state_variable_0 = 1 [L8644] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: [L8734] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8735] COND TRUE ldv_state_variable_0 == 1 [L8736] CALL, EXPR mwifiex_usb_init_module() [L8509] int ret ; [L8510] struct _ddebug descriptor ; [L8511] long tmp ; [L8512] struct _ddebug descriptor___0 ; [L8513] long tmp___0 ; [L8515] descriptor.modname = "mwifiex_usb" [L8516] descriptor.function = "mwifiex_usb_init_module" [L8517] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8518] descriptor.format = "Marvell USB8797 Driver\n" [L8519] descriptor.lineno = 1030U [L8520] descriptor.flags = 0U [L8521] EXPR descriptor.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor.flags=0, descriptor___0={186:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor.flags=0, descriptor___0={186:0}, dev_counter=0, INTERF_STATE=0, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8521] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L8522] COND FALSE !(tmp != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor___0={186:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8526] CALL sema_init(& add_remove_card_sem, 1) [L6892] struct lock_class_key __key ; [L6893] struct semaphore __constr_expr_0 ; [L6895] __constr_expr_0.lock.raw_lock.ldv_2243.head_tail = 0U [L6896] __constr_expr_0.lock.magic = 3735899821U [L6897] __constr_expr_0.lock.owner_cpu = 4294967295U [L6898] __constr_expr_0.lock.owner = (void *)-1 [L6899] __constr_expr_0.lock.dep_map.key = 0 [L6900] __constr_expr_0.lock.dep_map.class_cache[0] = 0 [L6901] __constr_expr_0.lock.dep_map.class_cache[1] = 0 [L6902] __constr_expr_0.lock.dep_map.name = "(*sem).lock" [L6903] __constr_expr_0.lock.dep_map.cpu = 0 [L6904] __constr_expr_0.lock.dep_map.ip = 0UL [L6905] __constr_expr_0.count = (unsigned int )val [L6906] __constr_expr_0.wait_list.next = & sem->wait_list [L6907] __constr_expr_0.wait_list.prev = & sem->wait_list [L6908] *sem = __constr_expr_0 [L6909] FCALL lockdep_init_map(& sem->lock.dep_map, "semaphore->lock", & __key, 0) [L6910] return; [L6910] return; VAL [={0:0}, ={0:0}, \old(val)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, sem={161:0}, sem={161:0}, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, val=1] [L8526] RET sema_init(& add_remove_card_sem, 1) [L8527] CALL, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8961] ldv_func_ret_type ldv_func_res ; [L8962] int tmp ; [L8964] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L9357] return __VERIFIER_nondet_int(); [L8964] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8964] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8965] ldv_func_res = tmp [L8966] ldv_state_variable_2 = 1 [L8967] usb_counter = 0 [L8968] CALL ldv_usb_driver_2() [L8596] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_zalloc(1520UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8598] tmp = ldv_zalloc(1520UL) [L8599] mwifiex_usb_driver_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8968] RET ldv_usb_driver_2() [L8969] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={163:0}, ldv_func_arg1={163:0}, ldv_func_arg2={165:166}, ldv_func_arg2={165:166}, ldv_func_arg3={153:0}, ldv_func_arg3={153:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8527] RET, EXPR ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8527] ret = ldv_usb_register_driver_22(& mwifiex_usb_driver, & __this_module, "mwifiex_usb") [L8528] COND FALSE !(ret != 0) [L8531] descriptor___0.modname = "mwifiex_usb" [L8532] descriptor___0.function = "mwifiex_usb_init_module" [L8533] descriptor___0.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6606/dscv_tempdir/dscv/ri/144_2a/drivers/net/wireless/mwifiex/usb.o.c.prepared" [L8534] descriptor___0.format = "info: Driver registered successfully!\n" [L8535] descriptor___0.lineno = 1038U [L8536] descriptor___0.flags = 0U [L8537] EXPR descriptor___0.flags VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor___0={186:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7067] return (exp); VAL [={0:0}, ={0:0}, \old(c)=0, \old(exp)=0, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, c=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, exp=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor___0={186:0}, descriptor___0.flags=0, dev_counter=0, INTERF_STATE=0, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8537] tmp___0 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L8538] COND FALSE !(tmp___0 != 0L) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={431:0}, descriptor___0={186:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8543] return (ret); [L8543] return (ret); [L8543] return (ret); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=0, SERIAL_STATE=0, tmp=0, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8736] RET, EXPR mwifiex_usb_init_module() [L8736] ldv_retval_0 = mwifiex_usb_init_module() [L8737] COND TRUE ldv_retval_0 == 0 [L8738] ldv_state_variable_0 = 3 [L8739] ldv_state_variable_1 = 1 [L8740] CALL ldv_initialize_mwifiex_if_ops_1() [L8605] void *tmp ; [L8606] void *tmp___0 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] CALL, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=5920, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=5920, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] RET, EXPR ldv_zalloc(5920UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(5920UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8608] tmp = ldv_zalloc(5920UL) [L8609] usb_ops_group0 = (struct mwifiex_adapter *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] CALL, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7019] void *p ; [L7020] void *tmp ; [L7021] int tmp___0 ; [L7023] tmp___0 = __VERIFIER_nondet_int() [L7024] COND TRUE tmp___0 != 0 [L7025] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=240, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=240, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] RET, EXPR ldv_zalloc(240UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(240UL)={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8610] tmp___0 = ldv_zalloc(240UL) [L8611] usb_ops_group1 = (struct sk_buff *)tmp___0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8740] RET ldv_initialize_mwifiex_if_ops_1() [L8743] COND FALSE !(ldv_retval_0 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8649] COND TRUE ldv_state_variable_1 != 0 [L8650] tmp___4 = __VERIFIER_nondet_int() [L8652] case 0: [L8659] case 1: [L8666] case 2: [L8673] case 3: [L8680] case 4: [L8687] case 5: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8688] COND TRUE ldv_state_variable_1 == 1 [L8689] CALL mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8435] int ret ; [L8436] struct usb_card_rec *card ; [L8438] EXPR adapter->card [L8438] card = (struct usb_card_rec *)adapter->card [L8439] EXPR card->usb_boot_state VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, card->usb_boot_state=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8439] COND FALSE !((unsigned int )card->usb_boot_state == 1U) [L8451] CALL, EXPR mwifiex_usb_rx_init(adapter) [L8045] struct usb_card_rec *card ; [L8046] int i ; [L8047] int tmp ; [L8048] int tmp___0 ; [L8050] EXPR adapter->card [L8050] card = (struct usb_card_rec *)adapter->card [L8051] card->rx_cmd.adapter = adapter [L8052] EXPR card->rx_cmd_ep [L8052] card->rx_cmd.ep = card->rx_cmd_ep [L8053] CALL, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8936] struct urb *tmp ; VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L8938] CALL, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9021] struct urb *value ; [L9022] void *tmp ; [L9023] int tmp___0 ; VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND FALSE !(tmp___0 != 0) [L7010] tmp = malloc(size) [L7011] p = tmp VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={170:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={170:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L6998] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7012] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={170:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={170:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7013] return (p); VAL [={0:0}, ={0:0}, \old(size)=184, \old(usb_urb)={0:0}, \result={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, p={170:0}, ref_cnt=0, SERIAL_STATE=0, size=184, tmp={170:0}, tmp___0=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={170:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9025] tmp = ldv_malloc(sizeof(struct urb)) [L9026] value = tmp VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={170:0}] [L9027] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L7036] int tmp ; [L7038] tmp = __VERIFIER_nondet_int() [L7039] return (tmp); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result=-2147483648, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}] [L9027] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_undef_int()=-2147483648, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={170:0}] [L9027] tmp___0 = ldv_undef_int() [L9028] COND TRUE \read(tmp___0) VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={0:0}, usbdriver_name={160:0}, value={170:0}] [L9029] COND TRUE (unsigned long )value != (unsigned long )((struct urb *)0) [L9030] usb_urb = value VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}, value={170:0}] [L9035] return (usb_urb); VAL [={0:0}, ={0:0}, \old(usb_urb)={0:0}, \result={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}, value={170:0}] [L8938] RET, EXPR ldv_alloc_urb() VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, ldv_alloc_urb()={170:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8938] tmp = ldv_alloc_urb() [L8939] return (tmp); VAL [={0:0}, ={0:0}, \old(iso_packets)=0, \old(mem_flags)=208, \result={170:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, iso_packets=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mem_flags=208, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={170:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8053] RET, EXPR ldv_usb_alloc_urb_17(0, 208U) [L8053] card->rx_cmd.urb = ldv_usb_alloc_urb_17(0, 208U) [L8054] EXPR card->rx_cmd.urb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, card->rx_cmd.urb={170:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8054] COND FALSE !((unsigned long )card->rx_cmd.urb == (unsigned long )((struct urb *)0)) [L8059] CALL, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L7104] struct sk_buff *tmp ; [L7106] CALL, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7096] struct sk_buff *tmp ; [L7098] CALL, EXPR __netdev_alloc_skb(dev, length, 32U) [L9240] CALL, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(size)=253, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L7002] void *p ; [L7003] void *tmp ; [L7004] int tmp___0 ; [L7006] tmp___0 = __VERIFIER_nondet_int() [L7007] COND TRUE tmp___0 != 0 [L7008] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=253, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, size=253, tmp___0=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L9240] RET, EXPR ldv_malloc(sizeof(struct sk_buff)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct sk_buff))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L9240] struct sk_buff *skb = ldv_malloc(sizeof(struct sk_buff)); [L9241] COND FALSE !(\read(*skb)) VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L9247] return skb; VAL [={0:0}, ={0:0}, \old(arg1)=2048, \old(arg2)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, arg0={0:0}, arg0={0:0}, arg1=2048, arg2=32, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, skb={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L7098] RET, EXPR __netdev_alloc_skb(dev, length, 32U) [L7098] tmp = __netdev_alloc_skb(dev, length, 32U) [L7099] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:0}, dev={0:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L7106] RET, EXPR netdev_alloc_skb((struct net_device *)0, length) [L7106] tmp = netdev_alloc_skb((struct net_device *)0, length) [L7107] return (tmp); VAL [={0:0}, ={0:0}, \old(length)=2048, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=2048, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8059] RET, EXPR dev_alloc_skb(2048U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_alloc_skb(2048U)={0:0}, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8059] card->rx_cmd.skb = dev_alloc_skb(2048U) [L8060] EXPR card->rx_cmd.skb VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, card->rx_cmd.skb={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8060] COND TRUE (unsigned long )card->rx_cmd.skb == (unsigned long )((struct sk_buff *)0) [L8061] adapter->dev [L8062] return (-12); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8451] RET, EXPR mwifiex_usb_rx_init(adapter) [L8451] ret = mwifiex_usb_rx_init(adapter) [L8452] COND FALSE !(ret == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8456] return (ret); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, adapter={0:0}, adapter={0:0}, add_remove_card_sem={161:0}, card={0:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={0:0}, fw={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, ret=-12, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8689] RET mwifiex_usb_dnld_fw(usb_ops_group0, ldvarg2) [L8690] ldv_state_variable_1 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8646] tmp___3 = __VERIFIER_nondet_int() [L8648] case 0: [L8722] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=1, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8723] COND TRUE ldv_state_variable_0 != 0 [L8724] tmp___5 = __VERIFIER_nondet_int() [L8726] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8727] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8728] CALL mwifiex_usb_cleanup_module() [L8548] int tmp ; [L8549] struct mwifiex_adapter *adapter ; [L8550] int i ; [L8551] struct mwifiex_private *tmp___0 ; [L8553] CALL, EXPR down_interruptible(& add_remove_card_sem) [L9262] return __VERIFIER_nondet_int(); [L8553] RET, EXPR down_interruptible(& add_remove_card_sem) [L8553] tmp = down_interruptible(& add_remove_card_sem) [L8554] COND FALSE !(tmp == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8558] COND FALSE !((unsigned long )usb_card != (unsigned long )((struct usb_card_rec *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=-2147483648, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8582] CALL ldv_usb_deregister_23(& mwifiex_usb_driver) [L8975] FCALL usb_deregister(arg) [L8976] ldv_state_variable_2 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, arg={163:0}, arg={163:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8582] RET ldv_usb_deregister_23(& mwifiex_usb_driver) [L8728] RET mwifiex_usb_cleanup_module() [L8729] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldvarg0={0:0}, ldvarg1=2, ldvarg2={0:0}, ldvarg3={430:0}, ldvarg4={0:0}, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, tmp=2, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=1, tmp___4=5, tmp___5=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L8830] CALL ldv_check_final_state() [L9208] COND FALSE !((unsigned long )usb_urb == (unsigned long )((struct urb *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L9210] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] [L7054] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={165:166}, add_remove_card_sem={161:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, mwifiex_usb_driver={163:0}, mwifiex_usb_driver_group1={0:0}, mwifiex_usb_table={162:0}, ref_cnt=0, SERIAL_STATE=0, usb_card={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_ops={164:0}, usb_ops_group0={0:0}, usb_ops_group1={0:0}, usb_urb={170:0}, usbdriver_name={160:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 855 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 116.8s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13577 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13240 mSDsluCounter, 83784 SdHoareTripleChecker+Invalid, 17.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60331 mSDsCounter, 364 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1690 IncrementalHoareTripleChecker+Invalid, 2054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 364 mSolverCounterUnsat, 23453 mSDtfsCounter, 1690 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1529 GetRequests, 1462 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10963occurred in iteration=10, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 16 MinimizatonAttempts, 8440 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 47.8s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1630 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1502 ConstructedInterpolants, 0 QuantifiedInterpolants, 2909 SizeOfPredicates, 44 NumberOfNonLiveVariables, 20301 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 771/773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:23:46,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31491752-b537-45a7-9ec7-66b492a55fa5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample