./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--p54--p54usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- 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 19:38:44,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:38:44,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:38:44,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:38:44,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:38:44,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:38:44,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:38:44,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:38:44,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:38:44,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:38:44,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:38:44,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:38:44,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:38:44,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:38:44,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:38:44,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:38:44,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:38:44,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:38:44,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:38:44,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:38:44,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:38:44,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:38:44,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:38:44,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:38:44,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:38:44,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:38:44,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:38:44,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:38:44,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:38:44,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:38:44,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:38:44,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:38:44,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:38:44,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:38:44,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:38:44,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:38:44,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:38:44,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:38:44,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:38:44,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:38:44,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:38:44,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 19:38:44,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:38:44,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:38:44,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:38:44,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:38:44,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:38:44,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:38:44,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:38:44,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:38:44,694 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:38:44,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:38:44,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:38:44,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:38:44,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:38:44,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:38:44,696 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:38:44,697 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2022-12-13 19:38:44,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:38:44,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:38:44,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:38:44,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:38:44,883 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:38:44,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:38:47,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:38:47,794 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:38:47,794 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:38:47,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/15c28580c/0e2345b13b2a480b927d0413acb7f5a4/FLAG52ca0dc56 [2022-12-13 19:38:47,827 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/15c28580c/0e2345b13b2a480b927d0413acb7f5a4 [2022-12-13 19:38:47,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:38:47,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:38:47,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:38:47,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:38:47,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:38:47,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:38:47" (1/1) ... [2022-12-13 19:38:47,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a9f237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:47, skipping insertion in model container [2022-12-13 19:38:47,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:38:47" (1/1) ... [2022-12-13 19:38:47,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:38:47,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:38:48,306 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:38:48,337 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 19:38:48,344 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 19:38:48,447 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:38:48,447 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:38:48,596 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:48,638 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-12-13 19:38:48,674 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:38:48,710 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:38:48,714 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:38:48,779 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:48,780 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:38:48,781 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:48,781 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:38:48,782 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:38:48,782 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:48,782 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-12-13 19:38:48,784 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:38:48,784 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:38:48,785 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:48,785 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 19:38:48,785 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:38:48,786 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:48,786 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:48,786 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:48,787 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:38:48,791 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 19:38:48,792 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:48,799 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:38:48,809 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:38:48,809 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:48,809 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:48,810 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:48,810 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:38:48,824 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:48,825 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:48,826 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:48,826 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:48,834 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:48,834 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:48,835 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:48,835 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:48,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:48,836 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:48,841 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,846 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,846 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,851 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,855 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 19:38:48,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,857 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 19:38:48,857 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,861 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 19:38:48,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:48,862 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,870 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:38:48,873 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,873 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:38:48,874 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,874 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:38:48,875 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:38:48,875 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:38:48,876 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,877 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,877 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,878 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,879 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:38:48,880 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:48,880 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:48,885 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,886 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,887 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,890 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,892 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,893 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,896 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,897 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,898 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,899 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:48,900 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-13 19:38:48,902 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:48,911 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-12-13 19:38:48,912 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,915 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-12-13 19:38:48,916 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-12-13 19:38:48,920 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 19:38:48,920 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,921 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-13 19:38:48,926 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 19:38:48,926 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-13 19:38:48,927 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,931 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-12-13 19:38:48,931 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:48,938 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 19:38:48,938 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-12-13 19:38:48,939 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 19:38:48,939 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-12-13 19:38:48,952 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-13 19:38:48,974 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:38:48,979 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:38:48,980 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:38:48,987 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:48,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,008 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,009 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,013 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,014 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,015 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,016 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,017 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:38:49,113 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:38:49,223 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:38:49,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 19:38:49,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 19:38:49,225 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:38:49,225 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:38:49,228 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,230 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-12-13 19:38:49,232 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:38:49,233 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:38:49,233 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:38:49,243 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:49,243 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:38:49,243 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:49,244 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:38:49,244 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:38:49,244 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:49,244 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-12-13 19:38:49,245 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:38:49,245 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:49,246 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:49,247 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:38:49,247 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 19:38:49,247 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:49,248 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:38:49,249 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:38:49,250 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:49,250 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:38:49,250 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:49,251 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:38:49,252 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:49,253 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:49,253 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:49,254 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:49,257 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:49,257 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:49,258 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:38:49,258 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:38:49,258 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:49,259 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:38:49,260 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,261 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,262 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,263 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,264 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 19:38:49,265 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,265 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 19:38:49,265 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,266 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 19:38:49,267 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:49,267 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,270 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:38:49,272 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,272 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:38:49,273 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,273 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:38:49,274 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:38:49,274 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:38:49,275 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,275 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,276 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,277 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,277 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:38:49,278 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:38:49,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:49,280 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,281 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,282 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,285 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,286 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,286 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,287 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,290 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,291 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,292 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:38:49,293 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-13 19:38:49,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:38:49,296 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-12-13 19:38:49,296 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,297 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-12-13 19:38:49,297 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-12-13 19:38:49,297 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 19:38:49,298 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,299 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,300 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-13 19:38:49,301 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 19:38:49,301 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-13 19:38:49,301 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,302 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-12-13 19:38:49,303 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:38:49,305 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 19:38:49,305 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-12-13 19:38:49,305 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 19:38:49,305 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-12-13 19:38:49,307 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-13 19:38:49,309 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:38:49,315 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:38:49,315 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:38:49,316 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,318 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,322 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,325 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,328 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,329 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,329 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,330 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:38:49,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:38:49,403 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:38:49,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49 WrapperNode [2022-12-13 19:38:49,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:38:49,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:38:49,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:38:49,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:38:49,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,528 INFO L138 Inliner]: procedures = 183, calls = 1615, calls flagged for inlining = 84, calls inlined = 65, statements flattened = 2922 [2022-12-13 19:38:49,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:38:49,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:38:49,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:38:49,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:38:49,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,651 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:38:49,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:38:49,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:38:49,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:38:49,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (1/1) ... [2022-12-13 19:38:49,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:38:49,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:38:49,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:38:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 19:38:49,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 19:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2022-12-13 19:38:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2022-12-13 19:38:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-12-13 19:38:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 19:38:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 19:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 19:38:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 19:38:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 19:38:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 19:38:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 19:38:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 19:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2022-12-13 19:38:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 19:38:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 19:38:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-12-13 19:38:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 19:38:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-13 19:38:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-13 19:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2022-12-13 19:38:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 19:38:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-13 19:38:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2022-12-13 19:38:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 19:38:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 19:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 19:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2022-12-13 19:38:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 19:38:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2022-12-13 19:38:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2022-12-13 19:38:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 19:38:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 19:38:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 19:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-12-13 19:38:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:38:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2022-12-13 19:38:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 19:38:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 19:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2022-12-13 19:38:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 19:38:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2022-12-13 19:38:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-13 19:38:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2022-12-13 19:38:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2022-12-13 19:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2022-12-13 19:38:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2022-12-13 19:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 19:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 19:38:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 19:38:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 19:38:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 19:38:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 19:38:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 19:38:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 19:38:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:38:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:38:50,158 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:38:50,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:38:50,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 19:38:51,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 19:39:09,047 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:39:09,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:39:09,056 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:39:09,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:09 BoogieIcfgContainer [2022-12-13 19:39:09,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:39:09,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:39:09,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:39:09,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:39:09,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:38:47" (1/3) ... [2022-12-13 19:39:09,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e5fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:39:09, skipping insertion in model container [2022-12-13 19:39:09,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:38:49" (2/3) ... [2022-12-13 19:39:09,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353e5fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:39:09, skipping insertion in model container [2022-12-13 19:39:09,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:09" (3/3) ... [2022-12-13 19:39:09,065 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:39:09,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:39:09,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:39:09,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:39:09,133 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;@68c0c6a6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:39:09,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:39:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 836 states, 591 states have (on average 1.3485617597292725) internal successors, (797), 617 states have internal predecessors, (797), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) [2022-12-13 19:39:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 19:39:09,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:09,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 19:39:09,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:09,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:09,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1033765739, now seen corresponding path program 1 times [2022-12-13 19:39:09,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:09,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381305721] [2022-12-13 19:39:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:09,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:39:09,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:09,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381305721] [2022-12-13 19:39:09,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381305721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:09,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:09,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:09,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441168493] [2022-12-13 19:39:09,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:09,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:09,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:09,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:09,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:09,744 INFO L87 Difference]: Start difference. First operand has 836 states, 591 states have (on average 1.3485617597292725) internal successors, (797), 617 states have internal predecessors, (797), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:39:11,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:13,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:15,809 WARN L539 Checker$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 19:39:18,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:18,787 INFO L93 Difference]: Finished difference Result 2794 states and 4111 transitions. [2022-12-13 19:39:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:39:18,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-12-13 19:39:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:18,808 INFO L225 Difference]: With dead ends: 2794 [2022-12-13 19:39:18,808 INFO L226 Difference]: Without dead ends: 1941 [2022-12-13 19:39:18,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:39:18,818 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 2270 mSDsluCounter, 2006 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 1198 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 3064 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:18,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 3064 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1198 Valid, 1394 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2022-12-13 19:39:18,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-12-13 19:39:18,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1612. [2022-12-13 19:39:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1146 states have (on average 1.3324607329842932) internal successors, (1527), 1180 states have internal predecessors, (1527), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-12-13 19:39:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2246 transitions. [2022-12-13 19:39:18,948 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2246 transitions. Word has length 28 [2022-12-13 19:39:18,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:18,949 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2246 transitions. [2022-12-13 19:39:18,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:39:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2246 transitions. [2022-12-13 19:39:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 19:39:18,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:18,951 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:18,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:39:18,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:18,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1351096241, now seen corresponding path program 1 times [2022-12-13 19:39:18,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:18,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722465821] [2022-12-13 19:39:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:19,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:19,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722465821] [2022-12-13 19:39:19,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722465821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:19,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:19,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:19,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477520787] [2022-12-13 19:39:19,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:19,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:19,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:19,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:19,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:19,187 INFO L87 Difference]: Start difference. First operand 1612 states and 2246 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:21,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:23,236 WARN L539 Checker$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 19:39:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:25,110 INFO L93 Difference]: Finished difference Result 1967 states and 2754 transitions. [2022-12-13 19:39:25,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:39:25,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 19:39:25,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:25,120 INFO L225 Difference]: With dead ends: 1967 [2022-12-13 19:39:25,120 INFO L226 Difference]: Without dead ends: 1954 [2022-12-13 19:39:25,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 19:39:25,122 INFO L413 NwaCegarLoop]: 922 mSDtfsCounter, 1710 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1808 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:25,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1808 Valid, 2018 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 723 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-12-13 19:39:25,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2022-12-13 19:39:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1612. [2022-12-13 19:39:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1146 states have (on average 1.331588132635253) internal successors, (1526), 1180 states have internal predecessors, (1526), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-12-13 19:39:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2245 transitions. [2022-12-13 19:39:25,193 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2245 transitions. Word has length 38 [2022-12-13 19:39:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:25,193 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2245 transitions. [2022-12-13 19:39:25,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2245 transitions. [2022-12-13 19:39:25,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 19:39:25,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:25,195 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:25,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:39:25,195 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:25,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:25,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1293837939, now seen corresponding path program 1 times [2022-12-13 19:39:25,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:25,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963838291] [2022-12-13 19:39:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:25,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:25,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:25,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:25,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963838291] [2022-12-13 19:39:25,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963838291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:25,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:25,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:25,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635901221] [2022-12-13 19:39:25,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:25,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:25,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:25,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:25,696 INFO L87 Difference]: Start difference. First operand 1612 states and 2245 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:27,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:29,738 WARN L539 Checker$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 19:39:32,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:32,319 INFO L93 Difference]: Finished difference Result 5452 states and 7778 transitions. [2022-12-13 19:39:32,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:39:32,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-12-13 19:39:32,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:32,336 INFO L225 Difference]: With dead ends: 5452 [2022-12-13 19:39:32,336 INFO L226 Difference]: Without dead ends: 3858 [2022-12-13 19:39:32,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:39:32,343 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 2117 mSDsluCounter, 2130 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 1127 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2227 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 2587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1127 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:32,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2227 Valid, 3288 Invalid, 2587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1127 Valid, 1458 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-12-13 19:39:32,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2022-12-13 19:39:32,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3195. [2022-12-13 19:39:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3195 states, 2274 states have (on average 1.3306948109058927) internal successors, (3026), 2338 states have internal predecessors, (3026), 716 states have call successors, (716), 205 states have call predecessors, (716), 204 states have return successors, (745), 699 states have call predecessors, (745), 711 states have call successors, (745) [2022-12-13 19:39:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 3195 states and 4487 transitions. [2022-12-13 19:39:32,480 INFO L78 Accepts]: Start accepts. Automaton has 3195 states and 4487 transitions. Word has length 38 [2022-12-13 19:39:32,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:32,481 INFO L495 AbstractCegarLoop]: Abstraction has 3195 states and 4487 transitions. [2022-12-13 19:39:32,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 4487 transitions. [2022-12-13 19:39:32,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 19:39:32,483 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:32,483 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:32,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:39:32,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:32,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1454682874, now seen corresponding path program 1 times [2022-12-13 19:39:32,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:32,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985087094] [2022-12-13 19:39:32,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:32,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:32,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985087094] [2022-12-13 19:39:32,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985087094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:32,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:32,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135301157] [2022-12-13 19:39:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:32,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:32,934 INFO L87 Difference]: Start difference. First operand 3195 states and 4487 transitions. 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:34,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:36,990 WARN L539 Checker$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 19:39:40,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:40,052 INFO L93 Difference]: Finished difference Result 10841 states and 15816 transitions. [2022-12-13 19:39:40,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:39:40,052 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-12-13 19:39:40,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:40,087 INFO L225 Difference]: With dead ends: 10841 [2022-12-13 19:39:40,087 INFO L226 Difference]: Without dead ends: 7664 [2022-12-13 19:39:40,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 19:39:40,101 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 2243 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 1202 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 3225 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1202 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:40,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 3225 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1202 Valid, 1432 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-12-13 19:39:40,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7664 states. [2022-12-13 19:39:40,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7664 to 6530. [2022-12-13 19:39:40,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4659 states have (on average 1.3226014166130071) internal successors, (6162), 4783 states have internal predecessors, (6162), 1440 states have call successors, (1440), 407 states have call predecessors, (1440), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-12-13 19:39:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 9285 transitions. [2022-12-13 19:39:40,429 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 9285 transitions. Word has length 39 [2022-12-13 19:39:40,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:40,429 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 9285 transitions. [2022-12-13 19:39:40,429 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, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 9285 transitions. [2022-12-13 19:39:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-13 19:39:40,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:40,431 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:40,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:39:40,431 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:40,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2145903696, now seen corresponding path program 1 times [2022-12-13 19:39:40,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:40,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994576912] [2022-12-13 19:39:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:40,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:40,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994576912] [2022-12-13 19:39:40,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994576912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:40,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:40,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:40,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139943441] [2022-12-13 19:39:40,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:40,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:40,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:40,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:40,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:40,675 INFO L87 Difference]: Start difference. First operand 6530 states and 9285 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:42,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:44,733 WARN L539 Checker$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 19:39:47,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:47,336 INFO L93 Difference]: Finished difference Result 7662 states and 11133 transitions. [2022-12-13 19:39:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:39:47,337 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-12-13 19:39:47,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:47,390 INFO L225 Difference]: With dead ends: 7662 [2022-12-13 19:39:47,390 INFO L226 Difference]: Without dead ends: 7659 [2022-12-13 19:39:47,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 19:39:47,393 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 2234 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 1194 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 3224 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1194 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:47,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2337 Valid, 3224 Invalid, 2626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1194 Valid, 1430 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-12-13 19:39:47,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7659 states. [2022-12-13 19:39:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7659 to 6531. [2022-12-13 19:39:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6531 states, 4660 states have (on average 1.3225321888412016) internal successors, (6163), 4784 states have internal predecessors, (6163), 1440 states have call successors, (1440), 407 states have call predecessors, (1440), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-12-13 19:39:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6531 states to 6531 states and 9286 transitions. [2022-12-13 19:39:47,693 INFO L78 Accepts]: Start accepts. Automaton has 6531 states and 9286 transitions. Word has length 40 [2022-12-13 19:39:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:47,693 INFO L495 AbstractCegarLoop]: Abstraction has 6531 states and 9286 transitions. [2022-12-13 19:39:47,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 6531 states and 9286 transitions. [2022-12-13 19:39:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 19:39:47,694 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:47,694 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:47,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:39:47,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:47,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:47,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2098907831, now seen corresponding path program 1 times [2022-12-13 19:39:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:47,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936567421] [2022-12-13 19:39:47,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:47,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:47,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:47,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936567421] [2022-12-13 19:39:47,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936567421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:47,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:47,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580931076] [2022-12-13 19:39:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:47,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:47,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:47,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:47,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:47,953 INFO L87 Difference]: Start difference. First operand 6531 states and 9286 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:49,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:52,007 WARN L539 Checker$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 19:39:53,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:53,551 INFO L93 Difference]: Finished difference Result 7658 states and 11129 transitions. [2022-12-13 19:39:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:39:53,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2022-12-13 19:39:53,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:53,574 INFO L225 Difference]: With dead ends: 7658 [2022-12-13 19:39:53,574 INFO L226 Difference]: Without dead ends: 7655 [2022-12-13 19:39:53,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 19:39:53,578 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 1676 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 675 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:53,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 1967 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 719 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 19:39:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2022-12-13 19:39:53,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 6530. [2022-12-13 19:39:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4660 states have (on average 1.3223175965665237) internal successors, (6162), 4783 states have internal predecessors, (6162), 1439 states have call successors, (1439), 407 states have call predecessors, (1439), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-12-13 19:39:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 9284 transitions. [2022-12-13 19:39:53,881 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 9284 transitions. Word has length 41 [2022-12-13 19:39:53,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:39:53,881 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 9284 transitions. [2022-12-13 19:39:53,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 9284 transitions. [2022-12-13 19:39:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 19:39:53,882 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:39:53,882 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:39:53,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:39:53,882 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:39:53,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:39:53,883 INFO L85 PathProgramCache]: Analyzing trace with hash -642031149, now seen corresponding path program 1 times [2022-12-13 19:39:53,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:39:53,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210183763] [2022-12-13 19:39:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:39:53,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:39:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:39:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:39:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:39:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:39:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:39:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:39:54,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210183763] [2022-12-13 19:39:54,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210183763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:39:54,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:39:54,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:39:54,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113881307] [2022-12-13 19:39:54,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:39:54,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:39:54,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:39:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:39:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:39:54,103 INFO L87 Difference]: Start difference. First operand 6530 states and 9284 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:39:56,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:39:58,161 WARN L539 Checker$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 19:39:59,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:39:59,949 INFO L93 Difference]: Finished difference Result 7657 states and 11127 transitions. [2022-12-13 19:39:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:39:59,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 19:39:59,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:39:59,974 INFO L225 Difference]: With dead ends: 7657 [2022-12-13 19:39:59,974 INFO L226 Difference]: Without dead ends: 7645 [2022-12-13 19:39:59,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 19:39:59,978 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 1679 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:39:59,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 1968 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 711 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 19:39:59,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-12-13 19:40:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 6520. [2022-12-13 19:40:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6520 states, 4651 states have (on average 1.3220812728445495) internal successors, (6149), 4773 states have internal predecessors, (6149), 1438 states have call successors, (1438), 407 states have call predecessors, (1438), 430 states have return successors, (1683), 1435 states have call predecessors, (1683), 1435 states have call successors, (1683) [2022-12-13 19:40:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6520 states to 6520 states and 9270 transitions. [2022-12-13 19:40:00,280 INFO L78 Accepts]: Start accepts. Automaton has 6520 states and 9270 transitions. Word has length 42 [2022-12-13 19:40:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:40:00,280 INFO L495 AbstractCegarLoop]: Abstraction has 6520 states and 9270 transitions. [2022-12-13 19:40:00,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:40:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6520 states and 9270 transitions. [2022-12-13 19:40:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-13 19:40:00,285 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:40:00,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:40:00,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:40:00,286 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:40:00,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:40:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash 349066613, now seen corresponding path program 1 times [2022-12-13 19:40:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:40:00,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759365046] [2022-12-13 19:40:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:00,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:40:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:40:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:40:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:40:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 19:40:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:40:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:40:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 19:40:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:40:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 19:40:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:40:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 19:40:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 19:40:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 19:40:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 19:40:00,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:40:00,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759365046] [2022-12-13 19:40:00,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759365046] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:40:00,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:40:00,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 19:40:00,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417584241] [2022-12-13 19:40:00,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:40:00,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 19:40:00,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:40:00,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 19:40:00,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:40:00,823 INFO L87 Difference]: Start difference. First operand 6520 states and 9270 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:40:02,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:04,882 WARN L539 Checker$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 19:40:06,886 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 19:40:10,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:40:10,398 INFO L93 Difference]: Finished difference Result 16735 states and 24716 transitions. [2022-12-13 19:40:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:40:10,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2022-12-13 19:40:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:40:10,430 INFO L225 Difference]: With dead ends: 16735 [2022-12-13 19:40:10,430 INFO L226 Difference]: Without dead ends: 10233 [2022-12-13 19:40:10,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-12-13 19:40:10,447 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 1948 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 2245 mSolverCounterSat, 1151 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 3399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1151 IncrementalHoareTripleChecker+Valid, 2245 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:40:10,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 2587 Invalid, 3399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1151 Valid, 2245 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-12-13 19:40:10,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10233 states. [2022-12-13 19:40:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10233 to 7386. [2022-12-13 19:40:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5286 states have (on average 1.3032538781687477) internal successors, (6889), 5428 states have internal predecessors, (6889), 1564 states have call successors, (1564), 408 states have call predecessors, (1564), 535 states have return successors, (2125), 1657 states have call predecessors, (2125), 1561 states have call successors, (2125) [2022-12-13 19:40:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 10578 transitions. [2022-12-13 19:40:10,974 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 10578 transitions. Word has length 149 [2022-12-13 19:40:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:40:10,975 INFO L495 AbstractCegarLoop]: Abstraction has 7386 states and 10578 transitions. [2022-12-13 19:40:10,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (18), 9 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:40:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 10578 transitions. [2022-12-13 19:40:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-13 19:40:10,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:40:10,980 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:40:10,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:40:10,980 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:40:10,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:40:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash -336314877, now seen corresponding path program 1 times [2022-12-13 19:40:10,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:40:10,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098341028] [2022-12-13 19:40:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:10,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:40:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:40:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:40:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 19:40:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 19:40:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 19:40:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:40:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 19:40:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 19:40:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 19:40:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 19:40:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 19:40:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 19:40:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 19:40:11,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:40:11,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098341028] [2022-12-13 19:40:11,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098341028] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:40:11,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:40:11,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 19:40:11,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400698293] [2022-12-13 19:40:11,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:40:11,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 19:40:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:40:11,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 19:40:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:40:11,461 INFO L87 Difference]: Start difference. First operand 7386 states and 10578 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (17), 9 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:40:13,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:15,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:17,531 WARN L539 Checker$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 19:40:19,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:21,543 WARN L539 Checker$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 19:40:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:40:25,561 INFO L93 Difference]: Finished difference Result 18033 states and 26572 transitions. [2022-12-13 19:40:25,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 19:40:25,561 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (17), 9 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 152 [2022-12-13 19:40:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:40:25,587 INFO L225 Difference]: With dead ends: 18033 [2022-12-13 19:40:25,587 INFO L226 Difference]: Without dead ends: 10669 [2022-12-13 19:40:25,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:40:25,603 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 1871 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 2768 mSolverCounterSat, 1082 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 3855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1082 IncrementalHoareTripleChecker+Valid, 2768 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:40:25,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 2996 Invalid, 3855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1082 Valid, 2768 Invalid, 5 Unknown, 0 Unchecked, 13.2s Time] [2022-12-13 19:40:25,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10669 states. [2022-12-13 19:40:26,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10669 to 7758. [2022-12-13 19:40:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7758 states, 5610 states have (on average 1.3019607843137255) internal successors, (7304), 5752 states have internal predecessors, (7304), 1580 states have call successors, (1580), 440 states have call predecessors, (1580), 567 states have return successors, (2117), 1673 states have call predecessors, (2117), 1577 states have call successors, (2117) [2022-12-13 19:40:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7758 states to 7758 states and 11001 transitions. [2022-12-13 19:40:26,136 INFO L78 Accepts]: Start accepts. Automaton has 7758 states and 11001 transitions. Word has length 152 [2022-12-13 19:40:26,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:40:26,136 INFO L495 AbstractCegarLoop]: Abstraction has 7758 states and 11001 transitions. [2022-12-13 19:40:26,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (17), 9 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:40:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 7758 states and 11001 transitions. [2022-12-13 19:40:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-13 19:40:26,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:40:26,140 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:40:26,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:40:26,140 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:40:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:40:26,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1053597938, now seen corresponding path program 1 times [2022-12-13 19:40:26,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:40:26,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925991957] [2022-12-13 19:40:26,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:26,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:40:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:40:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:40:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:40:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:40:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:40:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:40:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:40:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:40:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:40:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:40:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:40:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:40:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:40:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:40:26,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:40:26,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925991957] [2022-12-13 19:40:26,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925991957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:40:26,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:40:26,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 19:40:26,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424130820] [2022-12-13 19:40:26,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:40:26,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:40:26,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:40:26,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:40:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:40:26,547 INFO L87 Difference]: Start difference. First operand 7758 states and 11001 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:40:28,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:30,598 WARN L539 Checker$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 19:40:32,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:34,609 WARN L539 Checker$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 19:40:38,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:40:38,782 INFO L93 Difference]: Finished difference Result 20593 states and 30578 transitions. [2022-12-13 19:40:38,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 19:40:38,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 156 [2022-12-13 19:40:38,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:40:38,816 INFO L225 Difference]: With dead ends: 20593 [2022-12-13 19:40:38,816 INFO L226 Difference]: Without dead ends: 12857 [2022-12-13 19:40:38,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:40:38,833 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 1633 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 1133 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 3284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1133 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 19:40:38,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 3254 Invalid, 3284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1133 Valid, 2147 Invalid, 4 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 19:40:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2022-12-13 19:40:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 7852. [2022-12-13 19:40:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7852 states, 5650 states have (on average 1.305132743362832) internal successors, (7374), 5792 states have internal predecessors, (7374), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 539 states have return successors, (1963), 1735 states have call predecessors, (1963), 1659 states have call successors, (1963) [2022-12-13 19:40:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7852 states to 7852 states and 10999 transitions. [2022-12-13 19:40:39,474 INFO L78 Accepts]: Start accepts. Automaton has 7852 states and 10999 transitions. Word has length 156 [2022-12-13 19:40:39,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:40:39,474 INFO L495 AbstractCegarLoop]: Abstraction has 7852 states and 10999 transitions. [2022-12-13 19:40:39,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:40:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7852 states and 10999 transitions. [2022-12-13 19:40:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 19:40:39,478 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:40:39,478 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:40:39,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 19:40:39,478 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:40:39,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:40:39,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1828485427, now seen corresponding path program 1 times [2022-12-13 19:40:39,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:40:39,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267738262] [2022-12-13 19:40:39,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:39,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:40:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:40:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:40:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:40:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:40:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:40:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:40:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:40:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:40:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:40:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:40:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:40:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:40:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:40:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:40:40,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:40:40,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267738262] [2022-12-13 19:40:40,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267738262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:40:40,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:40:40,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 19:40:40,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756025977] [2022-12-13 19:40:40,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:40:40,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 19:40:40,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:40:40,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 19:40:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:40:40,070 INFO L87 Difference]: Start difference. First operand 7852 states and 10999 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:40:42,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:44,116 WARN L539 Checker$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 19:40:46,122 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 19:40:50,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:40:50,883 INFO L93 Difference]: Finished difference Result 21907 states and 32662 transitions. [2022-12-13 19:40:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 19:40:50,884 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 158 [2022-12-13 19:40:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:40:50,926 INFO L225 Difference]: With dead ends: 21907 [2022-12-13 19:40:50,926 INFO L226 Difference]: Without dead ends: 14077 [2022-12-13 19:40:50,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:40:50,945 INFO L413 NwaCegarLoop]: 957 mSDtfsCounter, 2041 mSDsluCounter, 5185 mSDsCounter, 0 mSdLazyCounter, 3500 mSolverCounterSat, 1429 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 4932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1429 IncrementalHoareTripleChecker+Valid, 3500 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:40:50,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 6142 Invalid, 4932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1429 Valid, 3500 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2022-12-13 19:40:50,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14077 states. [2022-12-13 19:40:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14077 to 7884. [2022-12-13 19:40:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7884 states, 5674 states have (on average 1.3038420867113147) internal successors, (7398), 5816 states have internal predecessors, (7398), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-12-13 19:40:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7884 states to 7884 states and 11031 transitions. [2022-12-13 19:40:51,646 INFO L78 Accepts]: Start accepts. Automaton has 7884 states and 11031 transitions. Word has length 158 [2022-12-13 19:40:51,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:40:51,646 INFO L495 AbstractCegarLoop]: Abstraction has 7884 states and 11031 transitions. [2022-12-13 19:40:51,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:40:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 7884 states and 11031 transitions. [2022-12-13 19:40:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-13 19:40:51,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:40:51,650 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:40:51,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:40:51,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:40:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:40:51,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1903976846, now seen corresponding path program 1 times [2022-12-13 19:40:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:40:51,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388895914] [2022-12-13 19:40:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:40:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:40:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:40:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:40:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:40:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:40:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:40:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:40:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:40:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:40:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:40:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:40:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:40:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:40:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:40:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:40:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:40:52,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:40:52,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388895914] [2022-12-13 19:40:52,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388895914] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:40:52,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573655662] [2022-12-13 19:40:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:40:52,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:40:52,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:40:52,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:40:52,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:40:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:40:52,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:40:52,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:40:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:40:52,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:40:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:40:52,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573655662] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:40:52,869 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:40:52,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 9 [2022-12-13 19:40:52,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356209084] [2022-12-13 19:40:52,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:40:52,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 19:40:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:40:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 19:40:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:40:52,871 INFO L87 Difference]: Start difference. First operand 7884 states and 11031 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:40:54,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:56,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:40:58,926 WARN L539 Checker$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 19:41:00,930 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 19:41:05,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:05,036 INFO L93 Difference]: Finished difference Result 20787 states and 30660 transitions. [2022-12-13 19:41:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 19:41:05,036 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 159 [2022-12-13 19:41:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:05,082 INFO L225 Difference]: With dead ends: 20787 [2022-12-13 19:41:05,082 INFO L226 Difference]: Without dead ends: 12925 [2022-12-13 19:41:05,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-12-13 19:41:05,105 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1932 mSDsluCounter, 2802 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 1416 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 3585 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1416 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:05,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 3585 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1416 Valid, 2337 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-12-13 19:41:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12925 states. [2022-12-13 19:41:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12925 to 7924. [2022-12-13 19:41:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7924 states, 5714 states have (on average 1.3031151557577878) internal successors, (7446), 5856 states have internal predecessors, (7446), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-12-13 19:41:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7924 states to 7924 states and 11079 transitions. [2022-12-13 19:41:05,791 INFO L78 Accepts]: Start accepts. Automaton has 7924 states and 11079 transitions. Word has length 159 [2022-12-13 19:41:05,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:05,791 INFO L495 AbstractCegarLoop]: Abstraction has 7924 states and 11079 transitions. [2022-12-13 19:41:05,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:41:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7924 states and 11079 transitions. [2022-12-13 19:41:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 19:41:05,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:05,794 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:05,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:41:05,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 19:41:05,996 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:05,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1296137521, now seen corresponding path program 1 times [2022-12-13 19:41:05,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:05,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107438928] [2022-12-13 19:41:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:05,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:41:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:41:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:41:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:41:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:41:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:41:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:41:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:41:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:41:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:41:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-13 19:41:06,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:06,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107438928] [2022-12-13 19:41:06,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107438928] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:06,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245346358] [2022-12-13 19:41:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:06,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:06,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:41:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:07,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:41:07,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:41:07,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:07,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245346358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:07,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:07,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-13 19:41:07,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704840825] [2022-12-13 19:41:07,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:07,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:41:07,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:07,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:41:07,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:41:07,266 INFO L87 Difference]: Start difference. First operand 7924 states and 11079 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:41:07,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:07,932 INFO L93 Difference]: Finished difference Result 17090 states and 24052 transitions. [2022-12-13 19:41:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:41:07,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 161 [2022-12-13 19:41:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:07,956 INFO L225 Difference]: With dead ends: 17090 [2022-12-13 19:41:07,956 INFO L226 Difference]: Without dead ends: 9188 [2022-12-13 19:41:07,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:41:07,971 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 162 mSDsluCounter, 5109 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6431 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:07,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6431 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:41:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9188 states. [2022-12-13 19:41:08,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9188 to 7916. [2022-12-13 19:41:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7916 states, 5706 states have (on average 1.30354013319313) internal successors, (7438), 5848 states have internal predecessors, (7438), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-12-13 19:41:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7916 states to 7916 states and 11071 transitions. [2022-12-13 19:41:08,638 INFO L78 Accepts]: Start accepts. Automaton has 7916 states and 11071 transitions. Word has length 161 [2022-12-13 19:41:08,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:08,638 INFO L495 AbstractCegarLoop]: Abstraction has 7916 states and 11071 transitions. [2022-12-13 19:41:08,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:41:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 7916 states and 11071 transitions. [2022-12-13 19:41:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 19:41:08,642 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:08,642 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:08,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:41:08,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 19:41:08,843 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:08,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:08,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2040638575, now seen corresponding path program 1 times [2022-12-13 19:41:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:08,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042676680] [2022-12-13 19:41:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:08,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:41:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:41:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:41:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:41:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:41:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:41:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:41:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:41:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:41:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:41:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:41:09,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:09,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042676680] [2022-12-13 19:41:09,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042676680] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:09,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089275849] [2022-12-13 19:41:09,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:09,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:09,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:09,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:41:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:10,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 3601 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 19:41:10,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 19:41:10,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:10,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089275849] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:10,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:10,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2022-12-13 19:41:10,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020902508] [2022-12-13 19:41:10,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:10,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:41:10,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:10,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:41:10,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:41:10,105 INFO L87 Difference]: Start difference. First operand 7916 states and 11071 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:41:12,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:13,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:13,074 INFO L93 Difference]: Finished difference Result 18440 states and 25745 transitions. [2022-12-13 19:41:13,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 19:41:13,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 165 [2022-12-13 19:41:13,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:13,098 INFO L225 Difference]: With dead ends: 18440 [2022-12-13 19:41:13,098 INFO L226 Difference]: Without dead ends: 10546 [2022-12-13 19:41:13,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2022-12-13 19:41:13,112 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 811 mSDsluCounter, 7919 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:13,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 9304 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:41:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10546 states. [2022-12-13 19:41:13,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10546 to 7940. [2022-12-13 19:41:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7940 states, 5730 states have (on average 1.30087260034904) internal successors, (7454), 5872 states have internal predecessors, (7454), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 547 states have return successors, (1971), 1743 states have call predecessors, (1971), 1659 states have call successors, (1971) [2022-12-13 19:41:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7940 states to 7940 states and 11087 transitions. [2022-12-13 19:41:13,801 INFO L78 Accepts]: Start accepts. Automaton has 7940 states and 11087 transitions. Word has length 165 [2022-12-13 19:41:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:13,801 INFO L495 AbstractCegarLoop]: Abstraction has 7940 states and 11087 transitions. [2022-12-13 19:41:13,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 7 states have internal predecessors, (102), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 19:41:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 7940 states and 11087 transitions. [2022-12-13 19:41:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 19:41:13,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:13,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:13,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 19:41:14,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 19:41:14,005 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:14,006 INFO L85 PathProgramCache]: Analyzing trace with hash 760774897, now seen corresponding path program 1 times [2022-12-13 19:41:14,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:14,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254599948] [2022-12-13 19:41:14,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:14,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:41:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 19:41:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 19:41:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:41:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:41:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 19:41:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:41:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 19:41:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 19:41:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:41:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:41:14,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:14,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254599948] [2022-12-13 19:41:14,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254599948] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:14,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906445097] [2022-12-13 19:41:14,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:14,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:14,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:14,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:14,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:41:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:15,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 3596 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 19:41:15,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-13 19:41:15,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:15,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906445097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:15,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:15,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-12-13 19:41:15,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598789454] [2022-12-13 19:41:15,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:15,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 19:41:15,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 19:41:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:41:15,888 INFO L87 Difference]: Start difference. First operand 7940 states and 11087 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:41:17,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:19,926 WARN L539 Checker$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 19:41:21,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:23,939 WARN L539 Checker$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 19:41:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:26,056 INFO L93 Difference]: Finished difference Result 16247 states and 22788 transitions. [2022-12-13 19:41:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 19:41:26,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 165 [2022-12-13 19:41:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:26,079 INFO L225 Difference]: With dead ends: 16247 [2022-12-13 19:41:26,079 INFO L226 Difference]: Without dead ends: 8329 [2022-12-13 19:41:26,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-12-13 19:41:26,095 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 1250 mSDsluCounter, 4641 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 6192 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:26,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 6192 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1630 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2022-12-13 19:41:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8329 states. [2022-12-13 19:41:26,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8329 to 7960. [2022-12-13 19:41:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7960 states, 5746 states have (on average 1.3000348068221372) internal successors, (7470), 5888 states have internal predecessors, (7470), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 551 states have return successors, (1979), 1747 states have call predecessors, (1979), 1659 states have call successors, (1979) [2022-12-13 19:41:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7960 states to 7960 states and 11111 transitions. [2022-12-13 19:41:26,762 INFO L78 Accepts]: Start accepts. Automaton has 7960 states and 11111 transitions. Word has length 165 [2022-12-13 19:41:26,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:26,762 INFO L495 AbstractCegarLoop]: Abstraction has 7960 states and 11111 transitions. [2022-12-13 19:41:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:41:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7960 states and 11111 transitions. [2022-12-13 19:41:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 19:41:26,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:26,765 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:26,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-13 19:41:26,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:26,966 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:26,967 INFO L85 PathProgramCache]: Analyzing trace with hash 578666294, now seen corresponding path program 1 times [2022-12-13 19:41:26,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:26,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112280249] [2022-12-13 19:41:26,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:41:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 19:41:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 19:41:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 19:41:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 19:41:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:41:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:41:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 19:41:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 19:41:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 19:41:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:41:27,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:27,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112280249] [2022-12-13 19:41:27,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112280249] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:27,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280538812] [2022-12-13 19:41:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:27,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:27,809 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:27,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:41:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:28,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 3622 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:41:28,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-13 19:41:28,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:28,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280538812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:28,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:28,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 19:41:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161327661] [2022-12-13 19:41:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:28,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:41:28,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:41:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:41:28,631 INFO L87 Difference]: Start difference. First operand 7960 states and 11111 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:29,333 INFO L93 Difference]: Finished difference Result 17026 states and 23924 transitions. [2022-12-13 19:41:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:41:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2022-12-13 19:41:29,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:29,355 INFO L225 Difference]: With dead ends: 17026 [2022-12-13 19:41:29,355 INFO L226 Difference]: Without dead ends: 9088 [2022-12-13 19:41:29,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:41:29,371 INFO L413 NwaCegarLoop]: 1224 mSDtfsCounter, 134 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:29,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2365 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:41:29,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9088 states. [2022-12-13 19:41:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9088 to 8136. [2022-12-13 19:41:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8136 states, 5922 states have (on average 1.304626815265113) internal successors, (7726), 6064 states have internal predecessors, (7726), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 551 states have return successors, (1979), 1747 states have call predecessors, (1979), 1659 states have call successors, (1979) [2022-12-13 19:41:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8136 states to 8136 states and 11367 transitions. [2022-12-13 19:41:30,057 INFO L78 Accepts]: Start accepts. Automaton has 8136 states and 11367 transitions. Word has length 171 [2022-12-13 19:41:30,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:30,058 INFO L495 AbstractCegarLoop]: Abstraction has 8136 states and 11367 transitions. [2022-12-13 19:41:30,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8136 states and 11367 transitions. [2022-12-13 19:41:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 19:41:30,061 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:30,061 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:41:30,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:41:30,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 19:41:30,263 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:30,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1301657950, now seen corresponding path program 1 times [2022-12-13 19:41:30,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:30,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464620645] [2022-12-13 19:41:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 19:41:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-12-13 19:41:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 19:41:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 19:41:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 19:41:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 19:41:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:41:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 19:41:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 19:41:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 19:41:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-13 19:41:31,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464620645] [2022-12-13 19:41:31,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464620645] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:31,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370024184] [2022-12-13 19:41:31,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:31,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:31,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:31,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:31,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:41:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:31,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 3686 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 19:41:31,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-13 19:41:31,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:31,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370024184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:31,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:31,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-12-13 19:41:31,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437963742] [2022-12-13 19:41:31,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:31,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:41:31,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:31,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:41:31,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:41:31,950 INFO L87 Difference]: Start difference. First operand 8136 states and 11367 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:33,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:36,005 WARN L539 Checker$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 19:41:38,009 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 19:41:39,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:39,775 INFO L93 Difference]: Finished difference Result 16280 states and 23060 transitions. [2022-12-13 19:41:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:41:39,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-12-13 19:41:39,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:39,799 INFO L225 Difference]: With dead ends: 16280 [2022-12-13 19:41:39,799 INFO L226 Difference]: Without dead ends: 8150 [2022-12-13 19:41:39,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:41:39,818 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1104 mSDsluCounter, 3729 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:39,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 5191 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1168 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2022-12-13 19:41:39,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8150 states. [2022-12-13 19:41:40,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8150 to 8144. [2022-12-13 19:41:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8144 states, 5926 states have (on average 1.304421194735066) internal successors, (7730), 6072 states have internal predecessors, (7730), 1662 states have call successors, (1662), 440 states have call predecessors, (1662), 555 states have return successors, (2007), 1747 states have call predecessors, (2007), 1659 states have call successors, (2007) [2022-12-13 19:41:40,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8144 states to 8144 states and 11399 transitions. [2022-12-13 19:41:40,508 INFO L78 Accepts]: Start accepts. Automaton has 8144 states and 11399 transitions. Word has length 175 [2022-12-13 19:41:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:40,509 INFO L495 AbstractCegarLoop]: Abstraction has 8144 states and 11399 transitions. [2022-12-13 19:41:40,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8144 states and 11399 transitions. [2022-12-13 19:41:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 19:41:40,513 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:40,513 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 19:41:40,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 19:41:40,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 19:41:40,714 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:40,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash 335036230, now seen corresponding path program 1 times [2022-12-13 19:41:40,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:40,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466729691] [2022-12-13 19:41:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:40,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:41:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:41:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:41:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:41:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:41:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:41:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 19:41:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:41:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 19:41:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 19:41:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 19:41:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-13 19:41:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:41,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466729691] [2022-12-13 19:41:41,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466729691] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:41:41,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248365205] [2022-12-13 19:41:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:41,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:41:41,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:41:41,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:41:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:41:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:41,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 3848 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:41:41,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:41:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 19:41:42,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:41:42,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248365205] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:42,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:41:42,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-12-13 19:41:42,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14111419] [2022-12-13 19:41:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:42,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:41:42,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:41:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:41:42,002 INFO L87 Difference]: Start difference. First operand 8144 states and 11399 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:44,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:44,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:44,817 INFO L93 Difference]: Finished difference Result 9803 states and 13510 transitions. [2022-12-13 19:41:44,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:41:44,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 197 [2022-12-13 19:41:44,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:44,840 INFO L225 Difference]: With dead ends: 9803 [2022-12-13 19:41:44,840 INFO L226 Difference]: Without dead ends: 9781 [2022-12-13 19:41:44,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 19:41:44,845 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 1218 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:44,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1599 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 19:41:44,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2022-12-13 19:41:45,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9768. [2022-12-13 19:41:45,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9768 states, 7314 states have (on average 1.2981952420016407) internal successors, (9495), 7464 states have internal predecessors, (9495), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-12-13 19:41:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9768 states to 9768 states and 13464 transitions. [2022-12-13 19:41:45,650 INFO L78 Accepts]: Start accepts. Automaton has 9768 states and 13464 transitions. Word has length 197 [2022-12-13 19:41:45,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:41:45,651 INFO L495 AbstractCegarLoop]: Abstraction has 9768 states and 13464 transitions. [2022-12-13 19:41:45,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 9768 states and 13464 transitions. [2022-12-13 19:41:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 19:41:45,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:41:45,655 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 19:41:45,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 19:41:45,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 19:41:45,857 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:41:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:41:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -944827448, now seen corresponding path program 1 times [2022-12-13 19:41:45,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:41:45,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9338446] [2022-12-13 19:41:45,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:41:45,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:41:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:41:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 19:41:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-12-13 19:41:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 19:41:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 19:41:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 19:41:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 19:41:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 19:41:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 19:41:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 19:41:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 19:41:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:41:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 19:41:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 19:41:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 19:41:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:41:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:41:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-13 19:41:46,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:41:46,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9338446] [2022-12-13 19:41:46,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9338446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:41:46,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:41:46,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 19:41:46,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122815069] [2022-12-13 19:41:46,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:41:46,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:41:46,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:41:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:41:46,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:41:46,735 INFO L87 Difference]: Start difference. First operand 9768 states and 13464 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:41:48,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:50,789 WARN L539 Checker$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 19:41:52,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:41:54,811 WARN L539 Checker$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 19:41:59,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:41:59,124 INFO L93 Difference]: Finished difference Result 24072 states and 34607 transitions. [2022-12-13 19:41:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 19:41:59,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 197 [2022-12-13 19:41:59,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:41:59,159 INFO L225 Difference]: With dead ends: 24072 [2022-12-13 19:41:59,159 INFO L226 Difference]: Without dead ends: 14323 [2022-12-13 19:41:59,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:41:59,176 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 1841 mSDsluCounter, 2806 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1399 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 3776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1399 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:41:59,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 3589 Invalid, 3776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1399 Valid, 2373 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2022-12-13 19:41:59,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14323 states. [2022-12-13 19:42:00,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14323 to 9769. [2022-12-13 19:42:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 7315 states have (on average 1.2981544771018456) internal successors, (9496), 7465 states have internal predecessors, (9496), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-12-13 19:42:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 13465 transitions. [2022-12-13 19:42:00,077 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 13465 transitions. Word has length 197 [2022-12-13 19:42:00,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:42:00,077 INFO L495 AbstractCegarLoop]: Abstraction has 9769 states and 13465 transitions. [2022-12-13 19:42:00,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 19:42:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 13465 transitions. [2022-12-13 19:42:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-13 19:42:00,081 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:42:00,081 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:42:00,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 19:42:00,081 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:42:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:42:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash 49572453, now seen corresponding path program 1 times [2022-12-13 19:42:00,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:42:00,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205114042] [2022-12-13 19:42:00,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:42:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:42:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 19:42:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 19:42:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 19:42:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:42:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 19:42:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 19:42:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 19:42:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 19:42:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 19:42:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 19:42:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 19:42:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 19:42:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 19:42:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 19:42:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-12-13 19:42:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 19:42:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 19:42:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-13 19:42:00,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:42:00,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205114042] [2022-12-13 19:42:00,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205114042] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:42:00,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727127601] [2022-12-13 19:42:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:42:00,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:42:00,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:42:00,912 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:42:00,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:42:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:42:01,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 3858 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:42:01,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:42:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-13 19:42:01,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:42:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-13 19:42:02,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727127601] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:42:02,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:42:02,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-12-13 19:42:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024065371] [2022-12-13 19:42:02,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:42:02,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 19:42:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:42:02,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 19:42:02,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-12-13 19:42:02,071 INFO L87 Difference]: Start difference. First operand 9769 states and 13465 transitions. Second operand has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 19:42:04,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:42:06,121 WARN L539 Checker$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 19:42:08,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:42:10,133 WARN L539 Checker$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 19:42:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:42:15,486 INFO L93 Difference]: Finished difference Result 24077 states and 34614 transitions. [2022-12-13 19:42:15,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 19:42:15,486 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 198 [2022-12-13 19:42:15,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:42:15,520 INFO L225 Difference]: With dead ends: 24077 [2022-12-13 19:42:15,520 INFO L226 Difference]: Without dead ends: 14326 [2022-12-13 19:42:15,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2022-12-13 19:42:15,538 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 1834 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3421 mSolverCounterSat, 1401 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 3421 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:42:15,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 5094 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1401 Valid, 3421 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2022-12-13 19:42:15,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14326 states. [2022-12-13 19:42:16,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14326 to 9772. [2022-12-13 19:42:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9772 states, 7318 states have (on average 1.2980322492484286) internal successors, (9499), 7468 states have internal predecessors, (9499), 1798 states have call successors, (1798), 524 states have call predecessors, (1798), 655 states have return successors, (2171), 1895 states have call predecessors, (2171), 1795 states have call successors, (2171) [2022-12-13 19:42:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9772 states to 9772 states and 13468 transitions. [2022-12-13 19:42:16,460 INFO L78 Accepts]: Start accepts. Automaton has 9772 states and 13468 transitions. Word has length 198 [2022-12-13 19:42:16,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:42:16,460 INFO L495 AbstractCegarLoop]: Abstraction has 9772 states and 13468 transitions. [2022-12-13 19:42:16,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.5) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (44), 6 states have call predecessors, (44), 5 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-12-13 19:42:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9772 states and 13468 transitions. [2022-12-13 19:42:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 19:42:16,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:42:16,464 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 19:42:16,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 19:42:16,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:42:16,666 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:42:16,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:42:16,667 INFO L85 PathProgramCache]: Analyzing trace with hash 429806344, now seen corresponding path program 2 times [2022-12-13 19:42:16,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:42:16,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609149687] [2022-12-13 19:42:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:42:16,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:42:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:42:17,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:42:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:42:18,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:42:18,532 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 19:42:18,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:42:18,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 19:42:18,538 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:42:18,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:42:18,565 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-12-13 19:42:18,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:42:18 BoogieIcfgContainer [2022-12-13 19:42:18,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:42:18,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:42:18,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:42:18,699 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:42:18,699 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:39:09" (3/4) ... [2022-12-13 19:42:18,702 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:42:18,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:42:18,702 INFO L158 Benchmark]: Toolchain (without parser) took 210871.97ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 151.3MB in the beginning and 447.1MB in the end (delta: -295.7MB). Peak memory consumption was 653.0MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,702 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:42:18,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1573.16ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 127.6MB in the end (delta: 23.8MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.20ms. Allocated memory is still 192.9MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,703 INFO L158 Benchmark]: Boogie Preprocessor took 148.55ms. Allocated memory is still 192.9MB. Free memory was 107.8MB in the beginning and 87.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,703 INFO L158 Benchmark]: RCFGBuilder took 19381.26ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 87.7MB in the beginning and 409.1MB in the end (delta: -321.3MB). Peak memory consumption was 668.4MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,703 INFO L158 Benchmark]: TraceAbstraction took 189638.46ms. Allocated memory is still 1.1GB. Free memory was 409.1MB in the beginning and 447.1MB in the end (delta: -38.0MB). Peak memory consumption was 243.2MB. Max. memory is 16.1GB. [2022-12-13 19:42:18,703 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 1.1GB. Free memory is still 447.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:42:18,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 63.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1573.16ms. Allocated memory is still 192.9MB. Free memory was 151.3MB in the beginning and 127.6MB in the end (delta: 23.8MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.20ms. Allocated memory is still 192.9MB. Free memory was 127.6MB in the beginning and 107.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.55ms. Allocated memory is still 192.9MB. Free memory was 107.8MB in the beginning and 87.7MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 19381.26ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 947.9MB). Free memory was 87.7MB in the beginning and 409.1MB in the end (delta: -321.3MB). Peak memory consumption was 668.4MB. Max. memory is 16.1GB. * TraceAbstraction took 189638.46ms. Allocated memory is still 1.1GB. Free memory was 409.1MB in the beginning and 447.1MB in the end (delta: -38.0MB). Peak memory consumption was 243.2MB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 1.1GB. Free memory is still 447.1MB. 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: 6294]: 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 6616. Possible FailurePath: [L6317] struct usb_interface *p54u_driver_group1 ; [L6318] int LDV_IN_INTERRUPT = 1; [L6319] int ref_cnt ; [L6320] int ldv_state_variable_1 ; [L6321] int usb_counter ; [L6322] int ldv_state_variable_0 ; [L6425-L6614] static struct usb_device_id p54u_table[64U] = { {3U, 1041U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1118U, 194U, (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}, {3U, 1286U, 2577U, (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}, {3U, 1653U, 1328U, (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}, {3U, 1721U, 288U, (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}, {3U, 1799U, 60934U, (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}, {3U, 1962U, 28U, (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}, {3U, 2106U, 17665U, (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}, {3U, 2106U, 17666U, (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}, {3U, 2106U, 21761U, (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}, {3U, 2118U, 16896U, (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}, {3U, 2118U, 16912U, (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}, {3U, 2118U, 16928U, (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}, {3U, 2474U, 4096U, (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}, {3U, 3064U, 4103U, (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}, {3U, 3294U, 6U, (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}, {3U, 3504U, 26662U, (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}, {3U, 4219U, 22002U, (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}, {3U, 4682U, 16419U, (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}, {3U, 5173U, 528U, (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}, {3U, 5545U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5680U, 5U, (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}, {3U, 6189U, 2411U, (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}, {3U, 6421U, 8756U, (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}, {3U, 6421U, 8757U, (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}, {3U, 8193U, 14081U, (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}, {3U, 8193U, 14083U, (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}, {3U, 8193U, 14178U, (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}, {3U, 20545U, 8756U, (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}, {3U, 20545U, 8757U, (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}, {3U, 1137U, 4656U, (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}, {3U, 1293U, 28752U, (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}, {3U, 1394U, 8192U, (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}, {3U, 1394U, 8194U, (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}, {3U, 1705U, 14U, (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}, {3U, 1721U, 289U, (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}, {3U, 1799U, 60947U, (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}, {3U, 2051U, 17168U, (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}, {3U, 2106U, 17697U, (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}, {3U, 2106U, 17713U, (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}, {3U, 2106U, 50433U, (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}, {3U, 2106U, 62723U, (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}, {3U, 2118U, 16960U, (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}, {3U, 2325U, 8192U, (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}, {3U, 2325U, 8194U, (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}, {3U, 2991U, 280U, (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}, {3U, 3064U, 4105U, (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}, {3U, 3294U, 8U, (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}, {3U, 3294U, 21U, (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}, {3U, 3470U, 14178U, (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}, {3U, 4682U, 16421U, (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}, {3U, 4704U, 60962U, (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}, {3U, 5041U, 10U, (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}, {3U, 5041U, 12U, (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}, {3U, 5139U, 21504U, (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}, {3U, 5173U, 1063U, (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}, {3U, 5736U, 4176U, (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}, {3U, 5952U, 4096U, (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}, {3U, 8193U, 14084U, (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}, {3U, 8193U, 14085U, (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}, {3U, 16700U, 21779U, (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}, {3U, 16700U, 33026U, (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}, {3U, 16700U, 33028U, (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}}; [L6615] struct usb_device_id const __mod_usb_device_table ; [L6616-L6619] static struct __anonstruct_p54u_fwlist_297 const p54u_fwlist[3U] = { {1280129078U, 1, "isl3886usb", {'I', 'S', 'L', '3', '8', '8', '6', ' ', '+', ' ', 'n', 'e', 't', '2', '2', '8', '0', '\000'}}, {1280129079U, 2, "isl3887usb", {'I', 'S', 'L', '3', '8', '8', '7', '\000'}}}; [L7035-L7036] static char const p54u_romboot_3887[5U] = { '~', '~', '~', '~', '\000'}; [L7061] static char const p54u_firmware_upload_3887[3U] = { '<', '\r', '\000'}; [L8068-L8074] static struct usb_driver p54u_driver = {"p54usb", & p54u_probe, & p54u_disconnect, 0, & p54u_suspend, & p54u_resume, & p54u_resume, & p54u_pre_reset, & p54u_post_reset, (struct usb_device_id const *)(& p54u_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, 1U}; [L8090] int ldv_retval_0 ; [L8091] int ldv_retval_4 ; [L8092] int ldv_retval_1 ; [L8095] int ldv_retval_3 ; [L8096] int ldv_retval_2 ; [L8436] int INTERF_STATE = 0; [L8437] int SERIAL_STATE = 0; [L8438] void *usb_intfdata = 0; [L8439] struct urb *usb_urb = 0; [L8440] struct usb_device *usb_dev = 0; [L8441] int dev_counter = 0; [L8442] int completeFnIntCounter = 0; [L8443] int completeFnBulkCounter = 0; [L8444] void (*completeFnInt)(struct urb * ) ; [L8445] 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, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8108] struct usb_device_id *ldvarg1 ; [L8109] void *tmp ; [L8110] pm_message_t ldvarg0 ; [L8111] int tmp___0 ; [L8112] int tmp___1 ; [L8113] int tmp___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, 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, ldvarg0={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] 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, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6259] void *p ; [L6260] void *tmp ; [L6261] int tmp___0 ; [L6263] tmp___0 = __VERIFIER_nondet_int() [L6264] COND TRUE tmp___0 != 0 [L6265] 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, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] 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, 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_zalloc(32UL)={0:0}, ldvarg0={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8115] tmp = ldv_zalloc(32UL) [L8116] ldvarg1 = (struct usb_device_id *)tmp [L8117] FCALL ldv_initialize() [L8118] FCALL memset((void *)(& ldvarg0), 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, 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, ldvarg0={193:0}, ldvarg1={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={193:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8119] ldv_state_variable_1 = 0 [L8120] ref_cnt = 0 [L8121] ldv_state_variable_0 = 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, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] case 0: [L8191] 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, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8192] COND TRUE ldv_state_variable_0 != 0 [L8193] tmp___2 = __VERIFIER_nondet_int() [L8195] case 0: [L8203] 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, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8204] COND TRUE ldv_state_variable_0 == 1 [L8205] CALL, EXPR p54u_driver_init() [L8077] int tmp ; [L8079] CALL, EXPR ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8408] ldv_func_ret_type ldv_func_res ; [L8409] int tmp ; [L8411] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8821] return __VERIFIER_nondet_int(); [L8411] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8411] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8412] ldv_func_res = tmp [L8413] ldv_state_variable_1 = 1 [L8414] usb_counter = 0 [L8415] CALL ldv_usb_driver_1() [L8099] 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={4294967380:4294967301}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] 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={4294967380:4294967301}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6259] void *p ; [L6260] void *tmp ; [L6261] int tmp___0 ; [L6263] tmp___0 = __VERIFIER_nondet_int() [L6264] COND TRUE tmp___0 != 0 [L6265] 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={4294967380:4294967301}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] 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={4294967380:4294967301}, 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=1, ldv_zalloc(1520UL)={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8101] tmp = ldv_zalloc(1520UL) [L8102] p54u_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={4294967380:4294967301}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8415] RET ldv_usb_driver_1() [L8416] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={35:0}, ldv_func_arg1={35:0}, ldv_func_arg2={4294967380:4294967301}, ldv_func_arg2={4294967380:4294967301}, ldv_func_arg3={30:0}, ldv_func_arg3={30:0}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8079] RET, EXPR ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8079] tmp = ldv_usb_register_driver_30(& p54u_driver, & __this_module, "p54usb") [L8080] return (tmp); 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={4294967380:4294967301}, 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=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8205] RET, EXPR p54u_driver_init() [L8205] ldv_retval_4 = p54u_driver_init() [L8206] COND TRUE ldv_retval_4 == 0 [L8207] ldv_state_variable_0 = 3 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={4294967380:4294967301}, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8210] COND FALSE !(ldv_retval_4 != 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={4294967380:4294967301}, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] 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={4294967380:4294967301}, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8126] COND TRUE ldv_state_variable_1 != 0 [L8127] tmp___1 = __VERIFIER_nondet_int() [L8129] 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={4294967380:4294967301}, 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, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8130] COND TRUE ldv_state_variable_1 == 1 [L8131] CALL, EXPR p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L7898] struct usb_device *udev ; [L7899] struct usb_device *tmp ; [L7900] struct ieee80211_hw *dev ; [L7901] struct p54u_priv *priv ; [L7902] int err ; [L7903] unsigned int i ; [L7904] unsigned int recognized_pipes ; [L7905] unsigned int 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] CALL, EXPR interface_to_usbdev(intf) 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8237] struct usb_device *tmp ; [L8239] CALL, EXPR ldv_interface_to_usbdev() [L8549] void *result ; [L8550] 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={49:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={49:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] RET, EXPR ldv_malloc(sizeof(struct usb_device)) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8552] tmp = ldv_malloc(sizeof(struct usb_device)) [L8553] result = 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8554] COND TRUE (unsigned long )result != (unsigned long )((void *)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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8558] return (result); VAL [={0:0}, ={0:0}, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={49:0}, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8239] RET, EXPR ldv_interface_to_usbdev() [L8239] tmp = ldv_interface_to_usbdev() [L8240] return (tmp); VAL [={0:0}, ={0:0}, \result={49:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] RET, EXPR interface_to_usbdev(intf) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, id={0:0}, id={0:0}, INTERF_STATE=0, interface_to_usbdev(intf)={49:0}, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L7907] tmp = interface_to_usbdev(intf) [L7908] udev = tmp [L7909] CALL, EXPR p54_init_common(4592UL) [L8747] CALL, EXPR ldv_malloc(sizeof(struct ieee80211_hw)) VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=122, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=122, \result={-36893488147419103231:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-36893488147419103231:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=122, tmp={-36893488147419103231:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8747] RET, EXPR ldv_malloc(sizeof(struct ieee80211_hw)) VAL [={0:0}, ={0:0}, \old(arg0)=4592, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, arg0=4592, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct ieee80211_hw))={-36893488147419103231:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L8747] return ldv_malloc(sizeof(struct ieee80211_hw)); [L7909] RET, EXPR p54_init_common(4592UL) [L7909] dev = p54_init_common(4592UL) [L7910] COND FALSE !((unsigned long )dev == (unsigned long )((struct ieee80211_hw *)0)) [L7915] EXPR dev->priv [L7915] priv = (struct p54u_priv *)dev->priv [L7916] priv->hw_type = 0 [L7917] CALL SET_IEEE80211_DEV(dev, & intf->dev) [L6412] EXPR hw->wiphy [L6412] CALL set_wiphy_dev(hw->wiphy, dev) [L6405] wiphy->dev.parent = dev 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={0:44}, dev={0:44}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, wiphy={32:-222}, wiphy={32:-222}] [L6412] RET set_wiphy_dev(hw->wiphy, dev) [L7917] RET SET_IEEE80211_DEV(dev, & intf->dev) [L7918] CALL ldv_usb_set_intfdata_23(intf, (void *)dev) [L8386] CALL ldv_usb_set_intfdata(data) [L8455] usb_intfdata = data 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-36893488147419103231:0}, data={-36893488147419103231:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8386] RET ldv_usb_set_intfdata(data) [L7918] RET ldv_usb_set_intfdata_23(intf, (void *)dev) [L7919] priv->udev = udev [L7920] priv->intf = intf [L7921] CALL skb_queue_head_init(& priv->rx_queue) [L6348] struct lock_class_key __key ; VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6350] CALL spinlock_check(& list->lock) 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={4294967380:4294967301}, 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, lock={-36893488147419103231:154}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6098] return (& lock->ldv_7686.rlock); VAL [={0:0}, ={0:0}, \result={-36893488147419103231:154}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, lock={-36893488147419103231:154}, lock={-36893488147419103231:154}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6350] RET spinlock_check(& list->lock) VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, spinlock_check(& list->lock)={-36893488147419103231:154}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6351] FCALL __raw_spin_lock_init(& list->lock.ldv_7686.rlock, "&(&list->lock)->rlock", & __key) VAL [={0:0}, ={0:0}, __key={153:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6352] CALL __skb_queue_head_init(list) [L6337] struct sk_buff *tmp ; [L6339] tmp = (struct sk_buff *)list [L6340] list->next = tmp [L6341] list->prev = tmp [L6342] list->qlen = 0U 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={4294967380:4294967301}, 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, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-36893488147419103231:134}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6352] RET __skb_queue_head_init(list) [L6353] return; 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={4294967380:4294967301}, 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, list={-36893488147419103231:134}, list={-36893488147419103231:134}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7921] RET skb_queue_head_init(& priv->rx_queue) [L7922] CALL init_usb_anchor(& priv->submitted) [L6155] struct lock_class_key __key ; [L6156] struct lock_class_key __key___0 ; [L6158] CALL INIT_LIST_HEAD(& anchor->urb_list) [L6089] list->next = list [L6090] list->prev = list 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={4294967380:4294967301}, 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, list={-36893488147419103231:222}, list={-36893488147419103231:222}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6158] RET INIT_LIST_HEAD(& anchor->urb_list) [L6159] FCALL __init_waitqueue_head(& anchor->wait, "&anchor->wait", & __key) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6160] CALL spinlock_check(& anchor->lock) 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={4294967380:4294967301}, 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, lock={-36893488147419103231:322}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6098] return (& lock->ldv_7686.rlock); VAL [={0:0}, ={0:0}, \result={-36893488147419103231:322}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, lock={-36893488147419103231:322}, lock={-36893488147419103231:322}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6160] RET spinlock_check(& anchor->lock) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, spinlock_check(& anchor->lock)={-36893488147419103231:322}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6161] FCALL __raw_spin_lock_init(& anchor->lock.ldv_7686.rlock, "&(&anchor->lock)->rlock", & __key___0) VAL [={0:0}, ={0:0}, __key={155:0}, __key___0={157:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6162] return; [L6162] return; 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={4294967380:4294967301}, anchor={-36893488147419103231:222}, anchor={-36893488147419103231:222}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7922] RET init_usb_anchor(& priv->submitted) [L7923] CALL ldv_usb_get_dev_24(udev) [L8392] struct usb_device *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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, LDV_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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] CALL, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8563] int tmp ; VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8565] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6276] int tmp ; [L6278] tmp = __VERIFIER_nondet_int() [L6279] return (tmp); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, 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_undef_int()=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] tmp = ldv_undef_int() [L8567] COND FALSE !(\read(tmp)) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8577] return (usb_dev); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={0:0}, \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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={49:0}, data={49:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] RET, EXPR ldv_get_dev(ldv_func_arg1) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, ldv_get_dev(ldv_func_arg1)={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8394] tmp = ldv_get_dev(ldv_func_arg1) [L8395] return (tmp); VAL [={0:0}, ={0:0}, \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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={49:0}, ldv_func_arg1={49:0}, LDV_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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7923] RET ldv_usb_get_dev_24(udev) [L7924] EXPR intf->altsetting [L7924] EXPR (intf->altsetting)->desc.bNumEndpoints [L7924] i = (unsigned int )(intf->altsetting)->desc.bNumEndpoints [L7925] recognized_pipes = 0U 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=0, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7941] tmp___0 = i [L7942] i = i - 1U 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7943] COND FALSE !(tmp___0 != 0U) [L7947] priv->common.open = & p54u_open [L7948] priv->common.stop = & p54u_stop 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7949] COND TRUE recognized_pipes <= 8U [L7950] udev->reset_resume = 1U [L7951] CALL, EXPR p54u_device_reset(dev) [L7006] struct p54u_priv *priv ; [L7007] int ret ; [L7008] int lock ; [L7010] EXPR dev->priv [L7010] priv = (struct p54u_priv *)dev->priv [L7011] EXPR priv->intf [L7011] EXPR (priv->intf)->condition [L7011] lock = (unsigned int )(priv->intf)->condition != 1U [L7012] COND TRUE lock != 0 [L7013] EXPR priv->udev [L7013] EXPR priv->intf [L7013] CALL, EXPR usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L8817] return __VERIFIER_nondet_int(); [L7013] RET, EXPR usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L7013] ret = usb_lock_device_for_reset(priv->udev, (struct usb_interface const *)priv->intf) [L7014] COND TRUE ret < 0 [L7015] priv->udev [L7017] return (ret); VAL [={0:0}, ={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, 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, lock=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967312:-3}, ref_cnt=0, ret=-1, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7951] RET, EXPR p54u_device_reset(dev) [L7951] err = p54u_device_reset(dev) [L7952] priv->hw_type = 2 [L7953] EXPR dev->extra_tx_headroom [L7953] dev->extra_tx_headroom = dev->extra_tx_headroom + 8U [L7954] priv->common.tx_hdr_len = 8U [L7955] priv->common.tx = & p54u_tx_lm87 [L7956] priv->upload_fw = & p54u_upload_firmware_3887 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=0, err=-1, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7964] CALL, EXPR p54u_load_firmware(dev, intf) [L7866] struct usb_device *udev ; [L7867] struct usb_device *tmp ; [L7868] struct p54u_priv *priv ; [L7869] struct device *device ; [L7870] int err ; [L7871] int i ; 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] CALL, EXPR interface_to_usbdev(intf) 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8237] struct usb_device *tmp ; [L8239] CALL, EXPR ldv_interface_to_usbdev() [L8549] void *result ; [L8550] 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6242] void *p ; [L6243] void *tmp ; [L6244] int tmp___0 ; [L6246] tmp___0 = __VERIFIER_nondet_int() [L6247] COND FALSE !(tmp___0 != 0) [L6250] tmp = malloc(size) [L6251] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6252] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6238] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6252] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6253] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p={-18446744073709551615:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] RET, EXPR ldv_malloc(sizeof(struct usb_device)) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={-18446744073709551615:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8552] tmp = ldv_malloc(sizeof(struct usb_device)) [L8553] result = 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8554] COND TRUE (unsigned long )result != (unsigned long )((void *)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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8558] return (result); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8239] RET, EXPR ldv_interface_to_usbdev() [L8239] tmp = ldv_interface_to_usbdev() [L8240] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] RET, EXPR interface_to_usbdev(intf) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, INTERF_STATE=0, interface_to_usbdev(intf)={-18446744073709551615:0}, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7873] tmp = interface_to_usbdev(intf) [L7874] udev = tmp [L7875] EXPR dev->priv [L7875] priv = (struct p54u_priv *)dev->priv [L7876] device = & udev->dev [L7877] CALL init_completion(& priv->fw_wait_load) [L6106] struct lock_class_key __key ; [L6108] x->done = 0U VAL [={0:0}, ={0:0}, __key={151:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L6109] FCALL __init_waitqueue_head(& x->wait, "&x->wait", & __key) VAL [={0:0}, ={0:0}, __key={151:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L6110] return; 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}, x={4294967336:345}, x={4294967336:345}] [L7877] RET init_completion(& priv->fw_wait_load) [L7878] CALL, EXPR p54_find_type(priv) 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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7753] int i ; [L7755] i = 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7764] COND TRUE i <= 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7758] EXPR p54u_fwlist[i].type [L7758] EXPR priv->hw_type 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_fwlist[i].type=1, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, priv->hw_type=4294967297, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7758] COND TRUE (unsigned int )p54u_fwlist[i].type == (unsigned int )priv->hw_type [L7769] COND FALSE !(i == 3) [L7773] return (i); 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, i=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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7878] RET, EXPR p54_find_type(priv) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=0, device={-18446744073709551615:131}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54_find_type(priv)=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, udev={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7878] i = p54_find_type(priv) [L7879] COND FALSE !(i < 0) [L7883] priv->udev [L7884] p54u_fwlist[i].fw [L7885] CALL ldv_usb_get_dev_22(udev) [L8377] struct usb_device *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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] CALL, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8563] int tmp ; VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8565] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6276] int tmp ; [L6278] tmp = __VERIFIER_nondet_int() [L6279] return (tmp); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={0:0}, \result=47, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, 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_undef_int()=47, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8566] tmp = ldv_undef_int() [L8567] COND TRUE \read(tmp) [L8568] dev_counter = dev_counter + 1 [L8569] usb_dev = data VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8577] return (usb_dev); VAL [={0:0}, ={0:0}, \old(dev_counter)=0, \old(usb_dev)={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, 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, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp=47, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] RET, EXPR ldv_get_dev(ldv_func_arg1) 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, ldv_get_dev(ldv_func_arg1)={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8379] tmp = ldv_get_dev(ldv_func_arg1) [L8380] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7885] RET ldv_usb_get_dev_22(udev) [L7886] EXPR p54u_fwlist[i].fw [L7886-L7887] CALL, EXPR request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L8773] return __VERIFIER_nondet_int(); [L7886-L7887] RET, EXPR request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L7886-L7887] err = request_firmware_nowait(& __this_module, 1, p54u_fwlist[i].fw, device, 208U, (void *)priv, & p54u_load_firmware_cb) [L7888] COND TRUE err != 0 [L7889] priv->udev [L7890] p54u_fwlist[i].fw [L7893] return (err); VAL [={0:0}, ={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev={-36893488147419103231:0}, dev_counter=1, device={-18446744073709551615:131}, err=1, i=0, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={4294967336:-3812}, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, udev={-18446744073709551615:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L7964] RET, EXPR p54u_load_firmware(dev, intf) [L7964] err = p54u_load_firmware(dev, intf) [L7965] return (err); VAL [={0:0}, ={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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev={-36893488147419103231:0}, dev_counter=1, err=1, i=4294967295, id={0:0}, id={0:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, priv={-36893488147419103231:-3758}, recognized_pipes=0, ref_cnt=0, SERIAL_STATE=0, tmp={49:0}, tmp___0=0, udev={49:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8131] RET, EXPR p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L8131] ldv_retval_3 = p54u_probe(p54u_driver_group1, (struct usb_device_id const *)ldvarg1) [L8132] COND FALSE !(ldv_retval_3 == 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8123] tmp___0 = __VERIFIER_nondet_int() [L8125] case 0: [L8191] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8192] COND TRUE ldv_state_variable_0 != 0 [L8193] tmp___2 = __VERIFIER_nondet_int() [L8195] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8196] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8197] CALL p54u_driver_exit() [L8086] CALL ldv_usb_deregister_31(& p54u_driver) [L8422] FCALL usb_deregister(arg) [L8423] ldv_state_variable_1 = 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={4294967380:4294967301}, arg={35:0}, arg={35:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8086] RET ldv_usb_deregister_31(& p54u_driver) [L8197] RET p54u_driver_exit() [L8198] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={193:0}, ldvarg1={0:0}, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8231] CALL ldv_check_final_state() [L8655] COND TRUE (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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8659] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L8661] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] [L6294] 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={4294967380:4294967301}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=1, ldv_retval_4=0, ldv_state_variable_0=2, ldv_state_variable_1=0, p54u_driver={35:0}, p54u_driver_group1={0:0}, p54u_firmware_upload_3887={34:0}, p54u_fwlist={32:0}, p54u_romboot_3887={33:0}, p54u_table={31:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={-36893488147419103231:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 56 procedures, 838 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 189.4s, OverallIterations: 21, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 157.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 51 mSolverCounterUnknown, 33567 SdHoareTripleChecker+Valid, 140.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31708 mSDsluCounter, 77083 SdHoareTripleChecker+Invalid, 135.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56092 mSDsCounter, 15852 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29690 IncrementalHoareTripleChecker+Invalid, 45593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15852 mSolverCounterUnsat, 20991 mSDtfsCounter, 29690 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2439 GetRequests, 2228 SyntacticMatches, 2 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9772occurred in iteration=20, InterpolantAutomatonStates: 174, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 42129 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 4061 NumberOfCodeBlocks, 4061 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4187 ConstructedInterpolants, 0 QuantifiedInterpolants, 7847 SizeOfPredicates, 17 NumberOfNonLiveVariables, 29385 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 1172/1229 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 19:42:18,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- 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 19:42:20,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:42:20,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:42:20,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:42:20,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:42:20,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:42:20,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:42:20,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:42:20,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:42:20,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:42:20,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:42:20,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:42:20,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:42:20,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:42:20,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:42:20,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:42:20,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:42:20,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:42:20,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:42:20,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:42:20,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:42:20,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:42:20,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:42:20,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:42:20,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:42:20,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:42:20,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:42:20,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:42:20,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:42:20,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:42:20,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:42:20,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:42:20,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:42:20,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:42:20,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:42:20,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:42:20,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:42:20,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:42:20,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:42:20,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:42:20,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:42:20,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 19:42:20,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:42:20,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:42:20,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:42:20,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:42:20,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:42:20,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:42:20,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:42:20,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:42:20,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:42:20,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:42:20,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:42:20,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:42:20,298 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:42:20,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:42:20,299 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:42:20,299 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:42:20,299 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2022-12-13 19:42:20,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:42:20,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:42:20,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:42:20,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:42:20,545 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:42:20,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:42:23,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:42:23,561 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:42:23,562 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:42:23,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/95c0d90e8/270b8177f74f424ca68f84209c0f162d/FLAG52f43f49d [2022-12-13 19:42:23,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/data/95c0d90e8/270b8177f74f424ca68f84209c0f162d [2022-12-13 19:42:23,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:42:23,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:42:23,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:42:23,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:42:23,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:42:23,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:42:23" (1/1) ... [2022-12-13 19:42:23,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3159f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:23, skipping insertion in model container [2022-12-13 19:42:23,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:42:23" (1/1) ... [2022-12-13 19:42:23,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:42:23,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:42:24,137 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:24,160 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 19:42:24,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 19:42:24,247 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:24,248 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:24,367 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,402 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-12-13 19:42:24,436 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:24,470 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:24,474 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:24,538 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,539 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:24,539 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,539 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:24,540 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:24,540 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,540 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-12-13 19:42:24,542 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:24,543 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:24,543 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,543 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 19:42:24,544 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:24,544 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,544 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,544 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,545 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:24,549 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 19:42:24,549 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,556 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:42:24,565 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:24,565 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,565 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,566 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,566 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:42:24,577 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,579 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,580 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,580 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,587 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,587 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,588 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,588 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,588 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,589 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,593 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,597 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,598 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,601 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,605 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 19:42:24,606 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,606 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 19:42:24,607 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,611 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 19:42:24,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,612 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,619 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:24,622 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,623 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:24,623 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,624 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:24,624 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:24,625 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:24,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,626 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,627 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,627 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:24,628 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,629 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,634 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,634 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,635 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,639 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,640 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,644 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,645 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,652 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,653 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,655 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-13 19:42:24,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,665 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-12-13 19:42:24,666 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,669 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-12-13 19:42:24,670 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-12-13 19:42:24,673 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 19:42:24,674 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,675 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,675 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-13 19:42:24,679 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 19:42:24,680 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-13 19:42:24,681 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,685 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-12-13 19:42:24,685 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,692 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 19:42:24,693 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-12-13 19:42:24,693 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 19:42:24,693 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-12-13 19:42:24,704 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-13 19:42:24,724 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:42:24,731 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:42:24,731 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:42:24,738 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,743 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,758 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,762 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,763 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,764 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,765 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,766 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:42:24,809 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 19:42:24,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:42:24,907 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:24,908 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 19:42:24,908 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 19:42:24,909 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:24,909 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:24,910 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,912 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-12-13 19:42:24,913 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:24,914 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:24,915 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:24,921 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,921 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:24,922 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,922 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:24,922 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:24,922 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,922 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-12-13 19:42:24,923 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:24,923 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,924 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,925 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:24,925 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 19:42:24,925 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,926 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:42:24,927 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:24,927 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,927 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:24,927 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,928 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:42:24,929 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,930 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,940 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,940 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,943 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,943 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,943 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:24,944 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:24,944 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,944 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:24,945 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,946 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,946 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,947 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,948 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 19:42:24,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,949 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 19:42:24,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,950 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 19:42:24,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,951 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,954 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:24,956 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,956 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:24,957 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,957 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:24,957 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:24,958 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:24,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,959 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,959 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,960 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,960 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:24,961 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:24,961 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,964 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,966 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,966 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,967 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,968 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,970 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,970 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,971 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,972 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:24,972 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-13 19:42:24,973 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:24,974 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-12-13 19:42:24,975 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,975 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-12-13 19:42:24,975 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-12-13 19:42:24,976 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 19:42:24,976 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,976 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,977 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-13 19:42:24,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 19:42:24,978 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-13 19:42:24,978 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,979 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-12-13 19:42:24,979 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:24,981 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 19:42:24,981 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-12-13 19:42:24,981 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 19:42:24,981 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-12-13 19:42:24,983 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-13 19:42:24,985 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:42:24,988 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:42:24,988 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:42:24,989 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,990 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,992 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,994 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,994 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,995 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,995 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:24,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:42:25,013 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:42:25,142 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:25,143 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 19:42:25,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 19:42:25,144 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 19:42:25,145 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:25,146 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,148 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_16b29a4b-5151-4d5b-950f-954f5fcc70ed/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2022-12-13 19:42:25,149 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 19:42:25,150 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:25,151 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 19:42:25,159 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:25,160 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:25,160 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:25,160 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:25,161 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-13 19:42:25,161 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:25,161 WARN L623 FunctionHandler]: Unknown extern function p54_rx [2022-12-13 19:42:25,161 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:25,162 WARN L623 FunctionHandler]: Unknown extern function dev_kfree_skb_irq [2022-12-13 19:42:25,163 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 19:42:25,163 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:25,163 WARN L623 FunctionHandler]: Unknown extern function usb_kill_anchored_urbs [2022-12-13 19:42:25,164 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-13 19:42:25,164 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:25,165 WARN L623 FunctionHandler]: Unknown extern function skb_unlink [2022-12-13 19:42:25,165 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:25,165 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-13 19:42:25,166 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:25,167 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:25,167 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:25,167 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:25,168 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:25,169 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:25,169 WARN L623 FunctionHandler]: Unknown extern function usb_anchor_urb [2022-12-13 19:42:25,169 WARN L623 FunctionHandler]: Unknown extern function usb_unanchor_urb [2022-12-13 19:42:25,169 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:25,169 WARN L623 FunctionHandler]: Unknown extern function p54_free_skb [2022-12-13 19:42:25,170 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,170 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,171 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,171 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,172 WARN L623 FunctionHandler]: Unknown extern function usb_lock_device_for_reset [2022-12-13 19:42:25,172 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,172 WARN L623 FunctionHandler]: Unknown extern function usb_reset_device [2022-12-13 19:42:25,172 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,173 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 19:42:25,173 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:25,173 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,175 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:25,182 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,183 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-13 19:42:25,183 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,183 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:25,183 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:25,184 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 19:42:25,184 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,184 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,184 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,185 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,185 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-13 19:42:25,185 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-13 19:42:25,186 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:25,187 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,187 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,187 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,189 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,189 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,190 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,191 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,192 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,193 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,194 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 19:42:25,194 WARN L623 FunctionHandler]: Unknown extern function usb_interrupt_msg [2022-12-13 19:42:25,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 19:42:25,196 WARN L623 FunctionHandler]: Unknown extern function p54_parse_firmware [2022-12-13 19:42:25,196 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,197 WARN L623 FunctionHandler]: Unknown extern function p54_read_eeprom [2022-12-13 19:42:25,197 WARN L623 FunctionHandler]: Unknown extern function p54_register_common [2022-12-13 19:42:25,197 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 19:42:25,198 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,198 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,199 WARN L623 FunctionHandler]: Unknown extern function device_release_driver [2022-12-13 19:42:25,199 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 19:42:25,200 WARN L623 FunctionHandler]: Unknown extern function request_firmware_nowait [2022-12-13 19:42:25,200 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,200 WARN L623 FunctionHandler]: Unknown extern function p54_init_common [2022-12-13 19:42:25,201 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 19:42:25,202 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 19:42:25,202 WARN L623 FunctionHandler]: Unknown extern function p54_unregister_common [2022-12-13 19:42:25,202 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-13 19:42:25,203 WARN L623 FunctionHandler]: Unknown extern function p54_free_common [2022-12-13 19:42:25,204 WARN L623 FunctionHandler]: Unknown extern function ieee80211_restart_hw [2022-12-13 19:42:25,205 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 19:42:25,208 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 19:42:25,208 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 19:42:25,209 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,210 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,211 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,214 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,215 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,215 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,215 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,216 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,216 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 19:42:25,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:42:25,274 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:42:25,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25 WrapperNode [2022-12-13 19:42:25,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:42:25,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:42:25,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:42:25,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:42:25,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,439 INFO L138 Inliner]: procedures = 198, calls = 1615, calls flagged for inlining = 84, calls inlined = 65, statements flattened = 2825 [2022-12-13 19:42:25,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:42:25,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:42:25,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:42:25,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:42:25,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,563 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:42:25,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:42:25,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:42:25,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:42:25,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (1/1) ... [2022-12-13 19:42:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:42:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:42:25,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:42:25,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:42:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 19:42:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-13 19:42:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-12-13 19:42:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-12-13 19:42:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 19:42:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 19:42:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2022-12-13 19:42:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-12-13 19:42:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2022-12-13 19:42:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 19:42:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 19:42:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 19:42:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 19:42:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-12-13 19:42:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 19:42:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-13 19:42:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-13 19:42:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2022-12-13 19:42:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 19:42:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 19:42:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 19:42:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 19:42:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-12-13 19:42:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-12-13 19:42:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-12-13 19:42:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-12-13 19:42:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 19:42:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 19:42:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:42:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:42:26,024 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:42:26,026 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:42:26,866 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 19:42:31,899 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-12-13 19:43:11,119 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:43:11,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:43:11,132 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:43:11,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:11 BoogieIcfgContainer [2022-12-13 19:43:11,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:43:11,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:43:11,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:43:11,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:43:11,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:42:23" (1/3) ... [2022-12-13 19:43:11,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ee991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:11, skipping insertion in model container [2022-12-13 19:43:11,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:42:25" (2/3) ... [2022-12-13 19:43:11,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ee991b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:43:11, skipping insertion in model container [2022-12-13 19:43:11,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:43:11" (3/3) ... [2022-12-13 19:43:11,143 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2022-12-13 19:43:11,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:43:11,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:43:11,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:43:11,223 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b1bdb86, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:43:11,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:43:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 830 states, 585 states have (on average 1.3452991452991454) internal successors, (787), 611 states have internal predecessors, (787), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) [2022-12-13 19:43:11,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 19:43:11,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:11,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 19:43:11,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:11,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:11,243 INFO L85 PathProgramCache]: Analyzing trace with hash -379709077, now seen corresponding path program 1 times [2022-12-13 19:43:11,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:11,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021524178] [2022-12-13 19:43:11,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:11,258 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 19:43:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:11,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:12,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:43:12,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:43:12,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:12,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:12,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021524178] [2022-12-13 19:43:12,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021524178] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:12,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:12,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:43:12,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048959479] [2022-12-13 19:43:12,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:12,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:43:12,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:12,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:43:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:43:12,550 INFO L87 Difference]: Start difference. First operand has 830 states, 585 states have (on average 1.3452991452991454) internal successors, (787), 611 states have internal predecessors, (787), 190 states have call successors, (190), 55 states have call predecessors, (190), 53 states have return successors, (185), 182 states have call predecessors, (185), 185 states have call successors, (185) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:43:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:12,825 INFO L93 Difference]: Finished difference Result 1658 states and 2365 transitions. [2022-12-13 19:43:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:43:12,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-12-13 19:43:12,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:12,844 INFO L225 Difference]: With dead ends: 1658 [2022-12-13 19:43:12,844 INFO L226 Difference]: Without dead ends: 818 [2022-12-13 19:43:12,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:43:12,855 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 2 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:12,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3451 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:43:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-12-13 19:43:12,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2022-12-13 19:43:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 580 states have (on average 1.3327586206896551) internal successors, (773), 599 states have internal predecessors, (773), 185 states have call successors, (185), 53 states have call predecessors, (185), 52 states have return successors, (180), 177 states have call predecessors, (180), 180 states have call successors, (180) [2022-12-13 19:43:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1138 transitions. [2022-12-13 19:43:12,944 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1138 transitions. Word has length 28 [2022-12-13 19:43:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:12,945 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 1138 transitions. [2022-12-13 19:43:12,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:43:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1138 transitions. [2022-12-13 19:43:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 19:43:12,947 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:12,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 19:43:12,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:13,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:13,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:13,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1230635498, now seen corresponding path program 1 times [2022-12-13 19:43:13,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:13,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618573036] [2022-12-13 19:43:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:13,160 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 19:43:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:13,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:13,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:14,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 2202 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:43:14,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:43:14,483 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:43:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:43:15,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:15,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618573036] [2022-12-13 19:43:15,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618573036] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:43:15,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:43:15,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 19:43:15,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648808635] [2022-12-13 19:43:15,128 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:43:15,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 19:43:15,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:15,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 19:43:15,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:43:15,131 INFO L87 Difference]: Start difference. First operand 818 states and 1138 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:15,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:15,713 INFO L93 Difference]: Finished difference Result 1632 states and 2273 transitions. [2022-12-13 19:43:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 19:43:15,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-12-13 19:43:15,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:15,720 INFO L225 Difference]: With dead ends: 1632 [2022-12-13 19:43:15,720 INFO L226 Difference]: Without dead ends: 821 [2022-12-13 19:43:15,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:43:15,724 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 2 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:15,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3406 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:43:15,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2022-12-13 19:43:15,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2022-12-13 19:43:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 583 states have (on average 1.3310463121783878) internal successors, (776), 602 states have internal predecessors, (776), 185 states have call successors, (185), 53 states have call predecessors, (185), 52 states have return successors, (180), 177 states have call predecessors, (180), 180 states have call successors, (180) [2022-12-13 19:43:15,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1141 transitions. [2022-12-13 19:43:15,763 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1141 transitions. Word has length 29 [2022-12-13 19:43:15,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:15,763 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1141 transitions. [2022-12-13 19:43:15,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1141 transitions. [2022-12-13 19:43:15,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 19:43:15,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:15,765 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 19:43:15,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:15,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:15,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:15,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:15,966 INFO L85 PathProgramCache]: Analyzing trace with hash -293114837, now seen corresponding path program 2 times [2022-12-13 19:43:15,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:15,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566178681] [2022-12-13 19:43:15,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:43:15,969 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 19:43:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:15,970 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:15,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:16,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 19:43:16,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:43:16,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:16,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 19:43:17,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:17,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:17,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566178681] [2022-12-13 19:43:17,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566178681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:17,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:17,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:43:17,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556210667] [2022-12-13 19:43:17,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:17,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:17,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:17,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:17,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:17,120 INFO L87 Difference]: Start difference. First operand 821 states and 1141 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:43:19,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:43:19,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:19,738 INFO L93 Difference]: Finished difference Result 2410 states and 3361 transitions. [2022-12-13 19:43:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:19,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-13 19:43:19,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:19,744 INFO L225 Difference]: With dead ends: 2410 [2022-12-13 19:43:19,744 INFO L226 Difference]: Without dead ends: 1604 [2022-12-13 19:43:19,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 19:43:19,748 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 1095 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:19,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 2441 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 19:43:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2022-12-13 19:43:19,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2022-12-13 19:43:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1138 states have (on average 1.3312829525483305) internal successors, (1515), 1172 states have internal predecessors, (1515), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-12-13 19:43:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2234 transitions. [2022-12-13 19:43:19,801 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2234 transitions. Word has length 32 [2022-12-13 19:43:19,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:19,801 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2234 transitions. [2022-12-13 19:43:19,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 19:43:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2234 transitions. [2022-12-13 19:43:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 19:43:19,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:19,803 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:19,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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)] Forceful destruction successful, exit code 0 [2022-12-13 19:43:20,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:20,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:20,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:20,004 INFO L85 PathProgramCache]: Analyzing trace with hash -84618737, now seen corresponding path program 1 times [2022-12-13 19:43:20,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:20,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297585056] [2022-12-13 19:43:20,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:20,006 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 19:43:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:20,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:21,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:21,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:21,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:21,176 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:21,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297585056] [2022-12-13 19:43:21,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297585056] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:21,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:21,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:43:21,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937895779] [2022-12-13 19:43:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:21,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:21,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:21,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:21,178 INFO L87 Difference]: Start difference. First operand 1604 states and 2234 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:21,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:21,510 INFO L93 Difference]: Finished difference Result 1630 states and 2266 transitions. [2022-12-13 19:43:21,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:21,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 19:43:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:21,519 INFO L225 Difference]: With dead ends: 1630 [2022-12-13 19:43:21,519 INFO L226 Difference]: Without dead ends: 1617 [2022-12-13 19:43:21,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 19:43:21,521 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 1132 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:21,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1168 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:43:21,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-12-13 19:43:21,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1604. [2022-12-13 19:43:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1138 states have (on average 1.3304042179261863) internal successors, (1514), 1172 states have internal predecessors, (1514), 362 states have call successors, (362), 104 states have call predecessors, (362), 103 states have return successors, (357), 351 states have call predecessors, (357), 357 states have call successors, (357) [2022-12-13 19:43:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2233 transitions. [2022-12-13 19:43:21,624 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2233 transitions. Word has length 42 [2022-12-13 19:43:21,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:21,625 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2233 transitions. [2022-12-13 19:43:21,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2233 transitions. [2022-12-13 19:43:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 19:43:21,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:21,626 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:21,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:21,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:21,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:21,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:21,828 INFO L85 PathProgramCache]: Analyzing trace with hash -27360435, now seen corresponding path program 1 times [2022-12-13 19:43:21,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:21,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097871904] [2022-12-13 19:43:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:21,831 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 19:43:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:21,832 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:21,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:22,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:43:22,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:25,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:25,045 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:25,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097871904] [2022-12-13 19:43:25,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097871904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:25,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:25,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:25,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887985731] [2022-12-13 19:43:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:25,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:25,046 INFO L87 Difference]: Start difference. First operand 1604 states and 2233 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:25,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:25,481 INFO L93 Difference]: Finished difference Result 4767 states and 6714 transitions. [2022-12-13 19:43:25,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:25,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2022-12-13 19:43:25,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:25,500 INFO L225 Difference]: With dead ends: 4767 [2022-12-13 19:43:25,500 INFO L226 Difference]: Without dead ends: 3185 [2022-12-13 19:43:25,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:25,505 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 1109 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:25,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 2583 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:43:25,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2022-12-13 19:43:25,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3175. [2022-12-13 19:43:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 2254 states have (on average 1.3300798580301685) internal successors, (2998), 2318 states have internal predecessors, (2998), 716 states have call successors, (716), 205 states have call predecessors, (716), 204 states have return successors, (745), 699 states have call predecessors, (745), 711 states have call successors, (745) [2022-12-13 19:43:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 4459 transitions. [2022-12-13 19:43:25,640 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 4459 transitions. Word has length 42 [2022-12-13 19:43:25,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:25,640 INFO L495 AbstractCegarLoop]: Abstraction has 3175 states and 4459 transitions. [2022-12-13 19:43:25,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:25,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 4459 transitions. [2022-12-13 19:43:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 19:43:25,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:25,641 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:25,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:25,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:25,842 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:25,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:25,842 INFO L85 PathProgramCache]: Analyzing trace with hash -848585938, now seen corresponding path program 1 times [2022-12-13 19:43:25,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:25,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532900835] [2022-12-13 19:43:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:25,845 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 19:43:25,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:25,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:25,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:26,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:43:26,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:29,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:29,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:29,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532900835] [2022-12-13 19:43:29,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532900835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:29,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:29,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:29,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326639448] [2022-12-13 19:43:29,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:29,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:29,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:29,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:29,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:29,180 INFO L87 Difference]: Start difference. First operand 3175 states and 4459 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:29,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:29,761 INFO L93 Difference]: Finished difference Result 9472 states and 13598 transitions. [2022-12-13 19:43:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:29,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-12-13 19:43:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:29,789 INFO L225 Difference]: With dead ends: 9472 [2022-12-13 19:43:29,789 INFO L226 Difference]: Without dead ends: 6319 [2022-12-13 19:43:29,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:29,801 INFO L413 NwaCegarLoop]: 1412 mSDtfsCounter, 1111 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:29,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2527 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:43:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2022-12-13 19:43:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 6310. [2022-12-13 19:43:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6310 states, 4479 states have (on average 1.3275284661754856) internal successors, (5946), 4603 states have internal predecessors, (5946), 1424 states have call successors, (1424), 407 states have call predecessors, (1424), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-12-13 19:43:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6310 states to 6310 states and 8961 transitions. [2022-12-13 19:43:30,105 INFO L78 Accepts]: Start accepts. Automaton has 6310 states and 8961 transitions. Word has length 43 [2022-12-13 19:43:30,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:30,105 INFO L495 AbstractCegarLoop]: Abstraction has 6310 states and 8961 transitions. [2022-12-13 19:43:30,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6310 states and 8961 transitions. [2022-12-13 19:43:30,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 19:43:30,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:30,106 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:30,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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)] Forceful destruction successful, exit code 0 [2022-12-13 19:43:30,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:30,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:30,307 INFO L85 PathProgramCache]: Analyzing trace with hash -536767888, now seen corresponding path program 1 times [2022-12-13 19:43:30,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:30,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262960327] [2022-12-13 19:43:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:30,309 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 19:43:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:30,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:30,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:31,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:31,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:32,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:32,537 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:32,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262960327] [2022-12-13 19:43:32,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262960327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:32,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:32,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:32,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540232938] [2022-12-13 19:43:32,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:32,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:32,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:32,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:32,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:32,540 INFO L87 Difference]: Start difference. First operand 6310 states and 8961 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:32,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:32,865 INFO L93 Difference]: Finished difference Result 6317 states and 8967 transitions. [2022-12-13 19:43:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:32,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-12-13 19:43:32,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:32,888 INFO L225 Difference]: With dead ends: 6317 [2022-12-13 19:43:32,888 INFO L226 Difference]: Without dead ends: 6314 [2022-12-13 19:43:32,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 19:43:32,891 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 1108 mSDsluCounter, 1114 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 2528 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:32,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 2528 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:43:32,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-12-13 19:43:33,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6311. [2022-12-13 19:43:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4480 states have (on average 1.3274553571428571) internal successors, (5947), 4604 states have internal predecessors, (5947), 1424 states have call successors, (1424), 407 states have call predecessors, (1424), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-12-13 19:43:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8962 transitions. [2022-12-13 19:43:33,192 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8962 transitions. Word has length 44 [2022-12-13 19:43:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:33,192 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8962 transitions. [2022-12-13 19:43:33,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8962 transitions. [2022-12-13 19:43:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 19:43:33,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:33,193 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:33,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:33,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:33,394 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:33,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash 539661937, now seen corresponding path program 1 times [2022-12-13 19:43:33,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:33,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024313048] [2022-12-13 19:43:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:33,396 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 19:43:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:33,397 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:33,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:34,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 2282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:34,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:35,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:35,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:35,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024313048] [2022-12-13 19:43:35,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024313048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:35,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:35,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:35,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661909189] [2022-12-13 19:43:35,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:35,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:35,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:35,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:35,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:35,659 INFO L87 Difference]: Start difference. First operand 6311 states and 8962 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:35,917 INFO L93 Difference]: Finished difference Result 6313 states and 8963 transitions. [2022-12-13 19:43:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-12-13 19:43:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:35,938 INFO L225 Difference]: With dead ends: 6313 [2022-12-13 19:43:35,938 INFO L226 Difference]: Without dead ends: 6310 [2022-12-13 19:43:35,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 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 19:43:35,942 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 1099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1134 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 19:43:35,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1134 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:43:35,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2022-12-13 19:43:36,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6310. [2022-12-13 19:43:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6310 states, 4480 states have (on average 1.3272321428571427) internal successors, (5946), 4603 states have internal predecessors, (5946), 1423 states have call successors, (1423), 407 states have call predecessors, (1423), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-12-13 19:43:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6310 states to 6310 states and 8960 transitions. [2022-12-13 19:43:36,257 INFO L78 Accepts]: Start accepts. Automaton has 6310 states and 8960 transitions. Word has length 45 [2022-12-13 19:43:36,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:36,258 INFO L495 AbstractCegarLoop]: Abstraction has 6310 states and 8960 transitions. [2022-12-13 19:43:36,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6310 states and 8960 transitions. [2022-12-13 19:43:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-13 19:43:36,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:36,259 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-13 19:43:36,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:36,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:36,460 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:36,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:36,462 INFO L85 PathProgramCache]: Analyzing trace with hash -450746989, now seen corresponding path program 1 times [2022-12-13 19:43:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:36,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198737833] [2022-12-13 19:43:36,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:36,470 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 19:43:36,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:36,473 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:36,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:37,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 2283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:37,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 19:43:38,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:38,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:38,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198737833] [2022-12-13 19:43:38,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198737833] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:38,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:38,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:43:38,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051825262] [2022-12-13 19:43:38,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:38,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:38,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:38,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:38,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:38,816 INFO L87 Difference]: Start difference. First operand 6310 states and 8960 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:39,088 INFO L93 Difference]: Finished difference Result 6312 states and 8961 transitions. [2022-12-13 19:43:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:39,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2022-12-13 19:43:39,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:39,106 INFO L225 Difference]: With dead ends: 6312 [2022-12-13 19:43:39,106 INFO L226 Difference]: Without dead ends: 6300 [2022-12-13 19:43:39,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 19:43:39,110 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 1096 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 1133 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 19:43:39,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:43:39,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6300 states. [2022-12-13 19:43:39,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6300 to 6300. [2022-12-13 19:43:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6300 states, 4471 states have (on average 1.326996197718631) internal successors, (5933), 4593 states have internal predecessors, (5933), 1422 states have call successors, (1422), 407 states have call predecessors, (1422), 406 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-12-13 19:43:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6300 states to 6300 states and 8946 transitions. [2022-12-13 19:43:39,460 INFO L78 Accepts]: Start accepts. Automaton has 6300 states and 8946 transitions. Word has length 46 [2022-12-13 19:43:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:39,460 INFO L495 AbstractCegarLoop]: Abstraction has 6300 states and 8946 transitions. [2022-12-13 19:43:39,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 19:43:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 6300 states and 8946 transitions. [2022-12-13 19:43:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-13 19:43:39,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:39,465 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:39,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:39,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:39,667 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:39,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:39,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1080544801, now seen corresponding path program 1 times [2022-12-13 19:43:39,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:39,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200540491] [2022-12-13 19:43:39,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:39,675 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 19:43:39,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:39,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:39,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:40,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:40,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 19:43:41,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:41,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:41,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200540491] [2022-12-13 19:43:41,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200540491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:41,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:41,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:43:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961711261] [2022-12-13 19:43:41,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:41,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:41,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:41,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:41,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:41,071 INFO L87 Difference]: Start difference. First operand 6300 states and 8946 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 19:43:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:41,851 INFO L93 Difference]: Finished difference Result 12706 states and 18046 transitions. [2022-12-13 19:43:41,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:41,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 147 [2022-12-13 19:43:41,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:41,869 INFO L225 Difference]: With dead ends: 12706 [2022-12-13 19:43:41,869 INFO L226 Difference]: Without dead ends: 6428 [2022-12-13 19:43:41,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 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 19:43:41,883 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 52 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:41,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 2229 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:43:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6428 states. [2022-12-13 19:43:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6428 to 6404. [2022-12-13 19:43:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6404 states, 4574 states have (on average 1.3290336685614341) internal successors, (6079), 4696 states have internal predecessors, (6079), 1422 states have call successors, (1422), 408 states have call predecessors, (1422), 407 states have return successors, (1591), 1395 states have call predecessors, (1591), 1419 states have call successors, (1591) [2022-12-13 19:43:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6404 states to 6404 states and 9092 transitions. [2022-12-13 19:43:42,217 INFO L78 Accepts]: Start accepts. Automaton has 6404 states and 9092 transitions. Word has length 147 [2022-12-13 19:43:42,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:42,217 INFO L495 AbstractCegarLoop]: Abstraction has 6404 states and 9092 transitions. [2022-12-13 19:43:42,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 19:43:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 6404 states and 9092 transitions. [2022-12-13 19:43:42,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 19:43:42,222 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:42,222 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:42,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:42,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:42,423 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:42,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:42,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1716809070, now seen corresponding path program 1 times [2022-12-13 19:43:42,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:42,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049768341] [2022-12-13 19:43:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:42,426 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 19:43:42,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:42,427 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:42,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:43,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 2639 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:43:43,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 19:43:44,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:44,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:44,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049768341] [2022-12-13 19:43:44,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049768341] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:44,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:44,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:43:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992285590] [2022-12-13 19:43:44,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:44,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:43:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:44,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:43:44,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:43:44,247 INFO L87 Difference]: Start difference. First operand 6404 states and 9092 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:43:46,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:43:47,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:47,232 INFO L93 Difference]: Finished difference Result 13178 states and 18684 transitions. [2022-12-13 19:43:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:43:47,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 153 [2022-12-13 19:43:47,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:47,250 INFO L225 Difference]: With dead ends: 13178 [2022-12-13 19:43:47,250 INFO L226 Difference]: Without dead ends: 6800 [2022-12-13 19:43:47,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 19:43:47,263 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 208 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 2123 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:47,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 2123 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 19:43:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6800 states. [2022-12-13 19:43:47,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6800 to 6776. [2022-12-13 19:43:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 4898 states have (on average 1.3258472846059617) internal successors, (6494), 5020 states have internal predecessors, (6494), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 439 states have return successors, (1607), 1411 states have call predecessors, (1607), 1435 states have call successors, (1607) [2022-12-13 19:43:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 9539 transitions. [2022-12-13 19:43:47,607 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 9539 transitions. Word has length 153 [2022-12-13 19:43:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:47,607 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 9539 transitions. [2022-12-13 19:43:47,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-13 19:43:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 9539 transitions. [2022-12-13 19:43:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-13 19:43:47,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:47,611 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:43:47,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:47,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:47,811 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:47,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:47,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1310333478, now seen corresponding path program 1 times [2022-12-13 19:43:47,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:47,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749069267] [2022-12-13 19:43:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:47,814 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 19:43:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:47,815 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:47,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:49,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:43:49,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 19:43:50,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:50,130 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:50,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749069267] [2022-12-13 19:43:50,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749069267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:50,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:50,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:43:50,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668434518] [2022-12-13 19:43:50,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:50,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:43:50,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:50,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:43:50,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:43:50,132 INFO L87 Difference]: Start difference. First operand 6776 states and 9539 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:43:50,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:50,767 INFO L93 Difference]: Finished difference Result 13590 states and 19486 transitions. [2022-12-13 19:43:50,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:43:50,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 160 [2022-12-13 19:43:50,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:50,788 INFO L225 Difference]: With dead ends: 13590 [2022-12-13 19:43:50,788 INFO L226 Difference]: Without dead ends: 6808 [2022-12-13 19:43:50,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:43:50,804 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 0 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:50,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4504 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:43:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2022-12-13 19:43:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 6808. [2022-12-13 19:43:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6808 states, 4914 states have (on average 1.3247863247863247) internal successors, (6510), 5052 states have internal predecessors, (6510), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1411 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-12-13 19:43:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6808 states to 6808 states and 9627 transitions. [2022-12-13 19:43:51,178 INFO L78 Accepts]: Start accepts. Automaton has 6808 states and 9627 transitions. Word has length 160 [2022-12-13 19:43:51,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:51,178 INFO L495 AbstractCegarLoop]: Abstraction has 6808 states and 9627 transitions. [2022-12-13 19:43:51,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 19:43:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 6808 states and 9627 transitions. [2022-12-13 19:43:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 19:43:51,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:51,182 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:43:51,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:51,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:51,383 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:51,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:51,383 INFO L85 PathProgramCache]: Analyzing trace with hash -738039550, now seen corresponding path program 1 times [2022-12-13 19:43:51,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:51,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862462145] [2022-12-13 19:43:51,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:51,386 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 19:43:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:51,387 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:51,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:43:53,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 2952 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 19:43:53,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:43:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 19:43:53,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:43:53,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:43:53,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862462145] [2022-12-13 19:43:53,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862462145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:43:53,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:43:53,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:43:53,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560328578] [2022-12-13 19:43:53,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:43:53,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:43:53,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:43:53,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:43:53,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:43:53,997 INFO L87 Difference]: Start difference. First operand 6808 states and 9627 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:43:56,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:43:58,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:43:59,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:43:59,271 INFO L93 Difference]: Finished difference Result 14326 states and 20368 transitions. [2022-12-13 19:43:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:43:59,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 172 [2022-12-13 19:43:59,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:43:59,289 INFO L225 Difference]: With dead ends: 14326 [2022-12-13 19:43:59,289 INFO L226 Difference]: Without dead ends: 7544 [2022-12-13 19:43:59,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:43:59,300 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 158 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 5852 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:43:59,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 5852 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 19:43:59,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2022-12-13 19:43:59,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 6832. [2022-12-13 19:43:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6832 states, 4938 states have (on average 1.3232077764277035) internal successors, (6534), 5068 states have internal predecessors, (6534), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-12-13 19:43:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6832 states to 6832 states and 9651 transitions. [2022-12-13 19:43:59,683 INFO L78 Accepts]: Start accepts. Automaton has 6832 states and 9651 transitions. Word has length 172 [2022-12-13 19:43:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:43:59,684 INFO L495 AbstractCegarLoop]: Abstraction has 6832 states and 9651 transitions. [2022-12-13 19:43:59,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:43:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6832 states and 9651 transitions. [2022-12-13 19:43:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-12-13 19:43:59,687 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:43:59,687 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:43:59,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:59,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:59,888 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:43:59,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:43:59,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1206848726, now seen corresponding path program 1 times [2022-12-13 19:43:59,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:43:59,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930024196] [2022-12-13 19:43:59,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:43:59,891 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 19:43:59,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:43:59,892 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:43:59,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:44:01,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:44:01,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:44:01,950 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 19:44:01,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:44:01,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:44:01,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930024196] [2022-12-13 19:44:01,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930024196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:44:01,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:44:01,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:44:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533449364] [2022-12-13 19:44:01,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:44:01,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:44:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:44:01,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:44:01,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:44:01,976 INFO L87 Difference]: Start difference. First operand 6832 states and 9651 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:44:04,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 19:44:04,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:44:04,552 INFO L93 Difference]: Finished difference Result 14726 states and 20932 transitions. [2022-12-13 19:44:04,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:44:04,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 178 [2022-12-13 19:44:04,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:44:04,568 INFO L225 Difference]: With dead ends: 14726 [2022-12-13 19:44:04,569 INFO L226 Difference]: Without dead ends: 7920 [2022-12-13 19:44:04,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 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 19:44:04,579 INFO L413 NwaCegarLoop]: 1216 mSDtfsCounter, 134 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2349 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 19:44:04,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2349 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 19:44:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7920 states. [2022-12-13 19:44:04,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7920 to 7008. [2022-12-13 19:44:04,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7008 states, 5114 states have (on average 1.327727806022683) internal successors, (6790), 5244 states have internal predecessors, (6790), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-12-13 19:44:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7008 states to 7008 states and 9907 transitions. [2022-12-13 19:44:04,958 INFO L78 Accepts]: Start accepts. Automaton has 7008 states and 9907 transitions. Word has length 178 [2022-12-13 19:44:04,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:44:04,959 INFO L495 AbstractCegarLoop]: Abstraction has 7008 states and 9907 transitions. [2022-12-13 19:44:04,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 19:44:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7008 states and 9907 transitions. [2022-12-13 19:44:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-13 19:44:04,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:44:04,963 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:05,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:05,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:05,163 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:44:05,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:44:05,164 INFO L85 PathProgramCache]: Analyzing trace with hash 197396526, now seen corresponding path program 1 times [2022-12-13 19:44:05,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:44:05,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019215247] [2022-12-13 19:44:05,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:44:05,166 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 19:44:05,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:44:05,167 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:05,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:44:07,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 3002 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:44:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:44:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:07,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:44:07,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:44:07,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019215247] [2022-12-13 19:44:07,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019215247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:44:07,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:44:07,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:44:07,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998767027] [2022-12-13 19:44:07,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:44:07,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:44:07,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:44:07,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:44:07,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:44:07,370 INFO L87 Difference]: Start difference. First operand 7008 states and 9907 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:07,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:44:07,882 INFO L93 Difference]: Finished difference Result 14038 states and 19866 transitions. [2022-12-13 19:44:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:44:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 182 [2022-12-13 19:44:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:44:07,900 INFO L225 Difference]: With dead ends: 14038 [2022-12-13 19:44:07,900 INFO L226 Difference]: Without dead ends: 7056 [2022-12-13 19:44:07,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:44:07,913 INFO L413 NwaCegarLoop]: 1127 mSDtfsCounter, 5 mSDsluCounter, 1124 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:44:07,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2251 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 19:44:07,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7056 states. [2022-12-13 19:44:08,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7056 to 7040. [2022-12-13 19:44:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7040 states, 5146 states have (on average 1.3272444617178392) internal successors, (6830), 5276 states have internal predecessors, (6830), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 455 states have return successors, (1679), 1419 states have call predecessors, (1679), 1435 states have call successors, (1679) [2022-12-13 19:44:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7040 states to 7040 states and 9947 transitions. [2022-12-13 19:44:08,287 INFO L78 Accepts]: Start accepts. Automaton has 7040 states and 9947 transitions. Word has length 182 [2022-12-13 19:44:08,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:44:08,288 INFO L495 AbstractCegarLoop]: Abstraction has 7040 states and 9947 transitions. [2022-12-13 19:44:08,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 7040 states and 9947 transitions. [2022-12-13 19:44:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-13 19:44:08,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:44:08,292 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:08,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:08,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:08,492 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:44:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:44:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash 469072622, now seen corresponding path program 1 times [2022-12-13 19:44:08,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:44:08,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734922242] [2022-12-13 19:44:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:44:08,495 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 19:44:08,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:44:08,496 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:08,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:44:10,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 3005 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 19:44:10,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:44:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:11,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:44:11,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:44:11,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734922242] [2022-12-13 19:44:11,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734922242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:44:11,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:44:11,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 19:44:11,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276264311] [2022-12-13 19:44:11,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:44:11,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:44:11,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:44:11,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:44:11,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:44:11,227 INFO L87 Difference]: Start difference. First operand 7040 states and 9947 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:44:12,526 INFO L93 Difference]: Finished difference Result 15518 states and 22040 transitions. [2022-12-13 19:44:12,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:44:12,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2022-12-13 19:44:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:44:12,545 INFO L225 Difference]: With dead ends: 15518 [2022-12-13 19:44:12,545 INFO L226 Difference]: Without dead ends: 8504 [2022-12-13 19:44:12,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 19:44:12,557 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 154 mSDsluCounter, 5045 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 6349 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:44:12,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 6349 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:44:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8504 states. [2022-12-13 19:44:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8504 to 7072. [2022-12-13 19:44:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7072 states, 5170 states have (on average 1.325725338491296) internal successors, (6854), 5300 states have internal predecessors, (6854), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-12-13 19:44:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7072 states to 7072 states and 9979 transitions. [2022-12-13 19:44:12,937 INFO L78 Accepts]: Start accepts. Automaton has 7072 states and 9979 transitions. Word has length 184 [2022-12-13 19:44:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:44:12,938 INFO L495 AbstractCegarLoop]: Abstraction has 7072 states and 9979 transitions. [2022-12-13 19:44:12,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 7072 states and 9979 transitions. [2022-12-13 19:44:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 19:44:12,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:44:12,941 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:12,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:13,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:13,142 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:44:13,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:44:13,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1162855401, now seen corresponding path program 1 times [2022-12-13 19:44:13,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:44:13,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008298014] [2022-12-13 19:44:13,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:44:13,153 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 19:44:13,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:44:13,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:13,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:44:15,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 3007 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:44:15,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:44:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:15,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:44:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:15,986 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:44:15,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008298014] [2022-12-13 19:44:15,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008298014] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:44:15,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:44:15,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-12-13 19:44:15,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343859713] [2022-12-13 19:44:15,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:44:15,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:44:15,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:44:15,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:44:15,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:44:15,988 INFO L87 Difference]: Start difference. First operand 7072 states and 9979 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:44:16,778 INFO L93 Difference]: Finished difference Result 14198 states and 20058 transitions. [2022-12-13 19:44:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:44:16,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2022-12-13 19:44:16,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:44:16,809 INFO L225 Difference]: With dead ends: 14198 [2022-12-13 19:44:16,809 INFO L226 Difference]: Without dead ends: 7152 [2022-12-13 19:44:16,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:44:16,819 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 24 mSDsluCounter, 2253 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:44:16,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3383 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 19:44:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7152 states. [2022-12-13 19:44:17,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7152 to 7112. [2022-12-13 19:44:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7112 states, 5210 states have (on average 1.324760076775432) internal successors, (6902), 5340 states have internal predecessors, (6902), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-12-13 19:44:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7112 states to 7112 states and 10027 transitions. [2022-12-13 19:44:17,200 INFO L78 Accepts]: Start accepts. Automaton has 7112 states and 10027 transitions. Word has length 185 [2022-12-13 19:44:17,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:44:17,200 INFO L495 AbstractCegarLoop]: Abstraction has 7112 states and 10027 transitions. [2022-12-13 19:44:17,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 19:44:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 7112 states and 10027 transitions. [2022-12-13 19:44:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 19:44:17,203 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:44:17,204 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:44:17,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:17,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:17,405 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:44:17,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:44:17,406 INFO L85 PathProgramCache]: Analyzing trace with hash 562115561, now seen corresponding path program 1 times [2022-12-13 19:44:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:44:17,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217752522] [2022-12-13 19:44:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:44:17,416 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 19:44:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:44:17,419 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:17,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-13 19:44:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:44:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 3010 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:44:19,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:44:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:20,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:44:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 19:44:22,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:44:22,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217752522] [2022-12-13 19:44:22,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217752522] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:44:22,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:44:22,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-12-13 19:44:22,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358696369] [2022-12-13 19:44:22,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 19:44:22,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 19:44:22,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:44:22,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 19:44:22,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-13 19:44:22,529 INFO L87 Difference]: Start difference. First operand 7112 states and 10027 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 19:44:26,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:44:26,720 INFO L93 Difference]: Finished difference Result 17102 states and 24330 transitions. [2022-12-13 19:44:26,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 19:44:26,721 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) Word has length 187 [2022-12-13 19:44:26,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:44:26,741 INFO L225 Difference]: With dead ends: 17102 [2022-12-13 19:44:26,741 INFO L226 Difference]: Without dead ends: 10016 [2022-12-13 19:44:26,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2022-12-13 19:44:26,755 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 329 mSDsluCounter, 9892 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:44:26,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 11382 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 19:44:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10016 states. [2022-12-13 19:44:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10016 to 7104. [2022-12-13 19:44:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7104 states, 5202 states have (on average 1.3252595155709344) internal successors, (6894), 5332 states have internal predecessors, (6894), 1438 states have call successors, (1438), 440 states have call predecessors, (1438), 463 states have return successors, (1687), 1427 states have call predecessors, (1687), 1435 states have call successors, (1687) [2022-12-13 19:44:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7104 states to 7104 states and 10019 transitions. [2022-12-13 19:44:27,213 INFO L78 Accepts]: Start accepts. Automaton has 7104 states and 10019 transitions. Word has length 187 [2022-12-13 19:44:27,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:44:27,213 INFO L495 AbstractCegarLoop]: Abstraction has 7104 states and 10019 transitions. [2022-12-13 19:44:27,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 10 states have internal predecessors, (124), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 19:44:27,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7104 states and 10019 transitions. [2022-12-13 19:44:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 19:44:27,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:44:27,217 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 19:44:27,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-12-13 19:44:27,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:27,418 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:44:27,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:44:27,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2093646752, now seen corresponding path program 1 times [2022-12-13 19:44:27,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:44:27,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451362004] [2022-12-13 19:44:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:44:27,430 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 19:44:27,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:44:27,433 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/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 19:44:27,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b29a4b-5151-4d5b-950f-954f5fcc70ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process