./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.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_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- 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 [2022-12-14 13:08:54,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:08:54,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:08:54,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:08:54,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:08:54,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:08:54,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:08:54,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:08:54,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:08:54,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:08:54,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:08:54,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:08:54,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:08:54,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:08:54,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:08:54,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:08:54,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:08:54,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:08:54,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:08:54,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:08:54,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:08:54,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:08:54,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:08:54,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:08:54,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:08:54,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:08:54,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:08:54,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:08:54,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:08:54,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:08:54,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:08:54,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:08:54,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:08:54,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:08:54,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:08:54,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:08:54,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:08:54,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:08:54,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:08:54,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:08:54,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:08:54,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 13:08:54,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:08:54,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:08:54,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:08:54,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:08:54,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:08:54,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:08:54,689 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:08:54,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:08:54,689 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:08:54,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:08:54,689 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:08:54,690 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:08:54,690 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:08:54,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:08:54,690 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:08:54,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:08:54,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:08:54,691 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:08:54,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:08:54,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:08:54,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:08:54,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:08:54,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:08:54,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:08:54,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:08:54,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:08:54,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:08:54,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:08:54,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:08:54,694 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:08:54,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:08:54,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:08:54,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:08:54,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-12-14 13:08:54,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:08:54,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:08:54,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:08:54,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:08:54,906 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:08:54,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:08:57,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:08:57,730 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:08:57,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:08:57,748 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/dd543e478/0a45be8b801d4b9bae239a69ce7553c2/FLAGaed2b47de [2022-12-14 13:08:57,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/dd543e478/0a45be8b801d4b9bae239a69ce7553c2 [2022-12-14 13:08:57,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:08:57,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:08:57,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:08:57,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:08:57,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:08:57,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:08:57" (1/1) ... [2022-12-14 13:08:57,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca4221e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:57, skipping insertion in model container [2022-12-14 13:08:57,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:08:57" (1/1) ... [2022-12-14 13:08:57,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:08:57,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:08:58,139 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-12-14 13:08:58,140 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-12-14 13:08:58,172 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:08:58,181 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 13:08:58,194 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:08:58,217 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:08:58,230 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,273 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_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-12-14 13:08:58,333 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:08:58,363 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:08:58,385 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:08:58,387 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:08:58,430 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,437 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,444 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,451 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,483 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,516 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:08:58,516 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:08:58,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,542 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,560 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,560 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-14 13:08:58,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,570 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,571 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 13:08:58,571 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 13:08:58,575 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:08:58,575 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:08:58,579 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,579 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:08:58,579 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:08:58,580 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:08:58,581 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:08:58,581 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 13:08:58,582 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:08:58,585 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:08:58,586 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:08:58,586 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:08:58,589 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,592 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,595 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:08:58,602 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,603 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-14 13:08:58,603 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,606 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-14 13:08:58,607 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,610 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:08:58,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,617 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,618 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_resume_root_hub [2022-12-14 13:08:58,624 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,646 WARN L623 FunctionHandler]: Unknown extern function spi_setup [2022-12-14 13:08:58,647 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,647 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-14 13:08:58,648 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,648 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,649 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,649 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 13:08:58,650 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,650 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,651 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-14 13:08:58,651 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,652 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,652 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,652 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,653 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:08:58,653 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:08:58,656 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,657 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-14 13:08:58,657 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:08:58,658 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:08:58,660 WARN L623 FunctionHandler]: Unknown extern function spi_register_driver [2022-12-14 13:08:58,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,674 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:08:58,679 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:08:58,680 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:08:58,685 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:08:58,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,691 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,693 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,695 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:08:58,709 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:08:58,770 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-12-14 13:08:58,771 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-12-14 13:08:58,772 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:08:58,773 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 13:08:58,773 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:08:58,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:08:58,775 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,777 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_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-12-14 13:08:58,778 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:08:58,780 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:08:58,781 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:08:58,782 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:08:58,795 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,796 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,798 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,799 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:08:58,805 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,816 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:08:58,816 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:08:58,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,822 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,825 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,829 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,829 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-14 13:08:58,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:08:58,832 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,833 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 13:08:58,833 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 13:08:58,834 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:08:58,834 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:08:58,835 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,835 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:08:58,835 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:08:58,836 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:08:58,836 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:08:58,837 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 13:08:58,837 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:08:58,838 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:08:58,839 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:08:58,839 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:08:58,840 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,840 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,841 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:08:58,842 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,842 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-14 13:08:58,843 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,843 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-14 13:08:58,843 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,844 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:08:58,844 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,846 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_resume_root_hub [2022-12-14 13:08:58,847 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,850 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:08:58,853 WARN L623 FunctionHandler]: Unknown extern function spi_setup [2022-12-14 13:08:58,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,853 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-14 13:08:58,853 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,856 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,857 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,857 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 13:08:58,857 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:08:58,858 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,858 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-14 13:08:58,858 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,858 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,859 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,859 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:08:58,859 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:08:58,859 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:08:58,861 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:08:58,862 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-14 13:08:58,862 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:08:58,864 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:08:58,864 WARN L623 FunctionHandler]: Unknown extern function spi_register_driver [2022-12-14 13:08:58,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:08:58,868 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:08:58,871 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:08:58,872 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:08:58,872 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:08:58,874 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,874 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,874 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,875 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:08:58,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:08:58,897 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:08:58,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58 WrapperNode [2022-12-14 13:08:58,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:08:58,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:08:58,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:08:58,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:08:58,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:58,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:58,987 INFO L138 Inliner]: procedures = 170, calls = 1035, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1573 [2022-12-14 13:08:58,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:08:58,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:08:58,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:08:58,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:08:58,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:58,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:58,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:08:59,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:08:59,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:08:59,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:08:59,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (1/1) ... [2022-12-14 13:08:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:08:59,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:08:59,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:08:59,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:08:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-12-14 13:08:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-12-14 13:08:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 13:08:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 13:08:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 13:08:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 13:08:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 13:08:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:08:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-12-14 13:08:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:08:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-12-14 13:08:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-12-14 13:08:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-12-14 13:08:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-12-14 13:08:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-12-14 13:08:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 13:08:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 13:08:59,422 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:08:59,424 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:08:59,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 13:09:00,424 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:09:00,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:09:00,721 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 13:09:00,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:00 BoogieIcfgContainer [2022-12-14 13:09:00,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:09:00,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:09:00,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:09:00,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:09:00,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:08:57" (1/3) ... [2022-12-14 13:09:00,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720cac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:00, skipping insertion in model container [2022-12-14 13:09:00,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:08:58" (2/3) ... [2022-12-14 13:09:00,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720cac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:00, skipping insertion in model container [2022-12-14 13:09:00,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:00" (3/3) ... [2022-12-14 13:09:00,732 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:09:00,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:09:00,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:09:00,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:09:00,802 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=FINITE_AUTOMATA, 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;@6b0c83b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:09:00,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:09:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 265 states have (on average 1.4226415094339622) internal successors, (377), 275 states have internal predecessors, (377), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-12-14 13:09:00,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 13:09:00,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:00,822 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:00,822 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:00,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:00,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1823358913, now seen corresponding path program 1 times [2022-12-14 13:09:00,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:00,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406651936] [2022-12-14 13:09:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:00,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 13:09:01,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:01,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406651936] [2022-12-14 13:09:01,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406651936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:01,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:01,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:01,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134650891] [2022-12-14 13:09:01,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:01,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:01,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:01,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:01,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:01,288 INFO L87 Difference]: Start difference. First operand has 405 states, 265 states have (on average 1.4226415094339622) internal successors, (377), 275 states have internal predecessors, (377), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:01,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:01,661 INFO L93 Difference]: Finished difference Result 1122 states and 1617 transitions. [2022-12-14 13:09:01,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:01,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2022-12-14 13:09:01,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:01,680 INFO L225 Difference]: With dead ends: 1122 [2022-12-14 13:09:01,680 INFO L226 Difference]: Without dead ends: 707 [2022-12-14 13:09:01,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:01,689 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 455 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:01,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1078 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:09:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-12-14 13:09:01,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 704. [2022-12-14 13:09:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 472 states have (on average 1.396186440677966) internal successors, (659), 475 states have internal predecessors, (659), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-12-14 13:09:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1000 transitions. [2022-12-14 13:09:01,804 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1000 transitions. Word has length 49 [2022-12-14 13:09:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:01,805 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 1000 transitions. [2022-12-14 13:09:01,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1000 transitions. [2022-12-14 13:09:01,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 13:09:01,810 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:01,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:01,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:09:01,811 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash -683003540, now seen corresponding path program 1 times [2022-12-14 13:09:01,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:01,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061645127] [2022-12-14 13:09:01,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:01,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:01,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 13:09:01,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:01,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061645127] [2022-12-14 13:09:01,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061645127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:01,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:01,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:01,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383851078] [2022-12-14 13:09:01,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:01,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:01,954 INFO L87 Difference]: Start difference. First operand 704 states and 1000 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:02,248 INFO L93 Difference]: Finished difference Result 1606 states and 2268 transitions. [2022-12-14 13:09:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:02,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 59 [2022-12-14 13:09:02,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:02,256 INFO L225 Difference]: With dead ends: 1606 [2022-12-14 13:09:02,256 INFO L226 Difference]: Without dead ends: 923 [2022-12-14 13:09:02,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:02,262 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 216 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:02,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 996 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:09:02,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-12-14 13:09:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 919. [2022-12-14 13:09:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 626 states have (on average 1.389776357827476) internal successors, (870), 631 states have internal predecessors, (870), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-12-14 13:09:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1289 transitions. [2022-12-14 13:09:02,317 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1289 transitions. Word has length 59 [2022-12-14 13:09:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:02,318 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1289 transitions. [2022-12-14 13:09:02,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:02,318 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1289 transitions. [2022-12-14 13:09:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 13:09:02,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:02,323 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:02,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 13:09:02,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:02,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:02,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2106850758, now seen corresponding path program 1 times [2022-12-14 13:09:02,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:02,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632069519] [2022-12-14 13:09:02,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:02,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:02,502 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:09:02,502 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:09:02,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632069519] [2022-12-14 13:09:02,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632069519] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:02,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:02,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:02,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683416514] [2022-12-14 13:09:02,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:02,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:02,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:09:02,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:02,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:02,504 INFO L87 Difference]: Start difference. First operand 919 states and 1289 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 13:09:02,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:02,693 INFO L93 Difference]: Finished difference Result 942 states and 1303 transitions. [2022-12-14 13:09:02,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:02,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2022-12-14 13:09:02,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:02,701 INFO L225 Difference]: With dead ends: 942 [2022-12-14 13:09:02,701 INFO L226 Difference]: Without dead ends: 939 [2022-12-14 13:09:02,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:02,703 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 388 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:02,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 612 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:09:02,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2022-12-14 13:09:02,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2022-12-14 13:09:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 637 states have (on average 1.3814756671899528) internal successors, (880), 642 states have internal predecessors, (880), 210 states have call successors, (210), 92 states have call predecessors, (210), 91 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-12-14 13:09:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1299 transitions. [2022-12-14 13:09:02,756 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1299 transitions. Word has length 76 [2022-12-14 13:09:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:02,757 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1299 transitions. [2022-12-14 13:09:02,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-12-14 13:09:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1299 transitions. [2022-12-14 13:09:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 13:09:02,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:02,762 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:02,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 13:09:02,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:02,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1878980945, now seen corresponding path program 1 times [2022-12-14 13:09:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:09:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916566855] [2022-12-14 13:09:02,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:02,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:09:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:09:02,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:09:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:09:02,978 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 13:09:02,978 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:09:02,979 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:09:02,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 13:09:02,982 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-14 13:09:02,985 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:09:03,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:09:03 BoogieIcfgContainer [2022-12-14 13:09:03,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:09:03,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:09:03,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:09:03,088 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:09:03,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:00" (3/4) ... [2022-12-14 13:09:03,092 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 13:09:03,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:09:03,093 INFO L158 Benchmark]: Toolchain (without parser) took 5331.28ms. Allocated memory was 123.7MB in the beginning and 232.8MB in the end (delta: 109.1MB). Free memory was 77.6MB in the beginning and 153.5MB in the end (delta: -75.8MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,093 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:09:03,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.99ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 77.6MB in the beginning and 74.3MB in the end (delta: 3.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.22ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 63.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,094 INFO L158 Benchmark]: Boogie Preprocessor took 80.24ms. Allocated memory is still 159.4MB. Free memory was 63.8MB in the beginning and 100.3MB in the end (delta: -36.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,095 INFO L158 Benchmark]: RCFGBuilder took 1655.54ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 100.3MB in the beginning and 84.6MB in the end (delta: 15.7MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,095 INFO L158 Benchmark]: TraceAbstraction took 2361.13ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 83.6MB in the beginning and 154.5MB in the end (delta: -70.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,095 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 232.8MB. Free memory was 154.5MB in the beginning and 153.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:09:03,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.99ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 77.6MB in the beginning and 74.3MB in the end (delta: 3.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.22ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 63.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.24ms. Allocated memory is still 159.4MB. Free memory was 63.8MB in the beginning and 100.3MB in the end (delta: -36.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1655.54ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 100.3MB in the beginning and 84.6MB in the end (delta: 15.7MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2361.13ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 83.6MB in the beginning and 154.5MB in the end (delta: -70.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 232.8MB. Free memory was 154.5MB in the beginning and 153.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 3987]: 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 5883, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=6, ldvarg3=5, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=-3] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=6, ldvarg3=5, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=6, ldvarg1=7, ldvarg3=5, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-4] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=6, ldvarg1=7, ldvarg3=5, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=-6] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=-7] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=-8] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=1, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hcd->self.controller={18446744073709551617:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, dev={18446744073709551617:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr [L4071] return (tmp); [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hcd->self.controller={18446744073709551617:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, to_spi_device(hcd->self.controller)={18446744073709551617:0}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=1, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=1, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=1, \old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=1, \old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, flags=1, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 406 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1059 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1059 mSDsluCounter, 2686 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1031 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 450 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1655 mSDtfsCounter, 450 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=939occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 87/87 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 [2022-12-14 13:09:03,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- 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 [2022-12-14 13:09:04,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:09:04,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:09:04,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:09:04,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:09:04,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:09:04,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:09:04,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:09:04,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:09:04,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:09:04,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:09:04,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:09:04,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:09:04,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:09:04,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:09:04,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:09:04,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:09:04,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:09:04,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:09:04,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:09:04,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:09:04,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:09:04,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:09:04,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:09:04,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:09:04,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:09:04,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:09:04,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:09:04,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:09:04,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:09:04,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:09:04,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:09:04,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:09:04,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:09:04,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:09:04,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:09:04,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:09:04,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:09:04,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:09:04,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:09:04,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:09:04,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 13:09:04,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:09:04,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:09:04,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:09:04,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:09:04,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:09:04,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:09:04,823 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:09:04,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:09:04,823 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:09:04,823 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:09:04,823 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:09:04,824 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:09:04,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:09:04,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:09:04,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:09:04,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:09:04,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:09:04,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:09:04,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 13:09:04,827 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-12-14 13:09:05,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:09:05,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:09:05,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:09:05,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:09:05,083 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:09:05,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:09:07,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:09:07,957 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:09:07,958 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:09:07,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/653839710/a15d34bd56fe47efa74951e80d6a1ac1/FLAGe64d230d8 [2022-12-14 13:09:08,160 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/data/653839710/a15d34bd56fe47efa74951e80d6a1ac1 [2022-12-14 13:09:08,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:09:08,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:09:08,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:09:08,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:09:08,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:09:08,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:09:08" (1/1) ... [2022-12-14 13:09:08,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1839169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:08, skipping insertion in model container [2022-12-14 13:09:08,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:09:08" (1/1) ... [2022-12-14 13:09:08,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:09:08,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:09:08,525 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-12-14 13:09:08,526 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-12-14 13:09:08,570 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:09:08,580 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 13:09:08,597 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:09:08,627 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:09:08,644 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:08,703 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_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-12-14 13:09:08,790 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:09:08,830 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:09:08,860 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:08,862 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:08,913 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:08,919 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:08,927 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:08,934 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:08,969 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:08,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,003 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,003 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,027 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,028 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,036 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,065 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,066 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-14 13:09:09,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,081 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,082 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 13:09:09,083 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 13:09:09,088 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,089 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,093 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,094 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:09:09,094 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,094 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,095 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,095 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 13:09:09,096 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:09:09,099 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,100 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,100 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,107 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,112 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,116 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:09:09,123 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,125 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-14 13:09:09,126 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,130 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-14 13:09:09,130 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,135 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:09:09,135 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,144 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_resume_root_hub [2022-12-14 13:09:09,153 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,202 WARN L623 FunctionHandler]: Unknown extern function spi_setup [2022-12-14 13:09:09,202 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,203 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-14 13:09:09,203 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,205 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,205 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,206 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 13:09:09,207 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,208 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,208 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-14 13:09:09,208 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,210 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,211 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,211 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,212 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,218 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,219 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-14 13:09:09,219 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,220 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,225 WARN L623 FunctionHandler]: Unknown extern function spi_register_driver [2022-12-14 13:09:09,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,246 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:09:09,251 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:09:09,253 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:09:09,260 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:09:09,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,272 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,273 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:09,296 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 13:09:09,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:09:09,399 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-12-14 13:09:09,400 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-12-14 13:09:09,402 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:09:09,403 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 13:09:09,404 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:09:09,405 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:09:09,406 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,408 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_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-12-14 13:09:09,411 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:09:09,413 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:09:09,414 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:09,415 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:09,419 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,421 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,423 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,425 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,445 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,445 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,446 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,475 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,482 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,482 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-14 13:09:09,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,487 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,487 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 13:09:09,488 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 13:09:09,489 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,490 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,491 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:09:09,492 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,492 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,493 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,493 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 13:09:09,494 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:09:09,496 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,497 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,497 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,498 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,499 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,499 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:09:09,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,502 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-14 13:09:09,502 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,503 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-14 13:09:09,503 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,504 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:09:09,504 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,506 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_resume_root_hub [2022-12-14 13:09:09,508 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,514 WARN L623 FunctionHandler]: Unknown extern function spi_setup [2022-12-14 13:09:09,514 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,515 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-14 13:09:09,515 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,515 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,516 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,516 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 13:09:09,516 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,517 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-14 13:09:09,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,519 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,519 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,520 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-14 13:09:09,520 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,520 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,521 WARN L623 FunctionHandler]: Unknown extern function spi_register_driver [2022-12-14 13:09:09,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,525 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:09:09,528 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:09:09,530 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:09:09,530 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:09:09,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:09,539 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:09:09,602 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-12-14 13:09:09,602 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-12-14 13:09:09,604 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 13:09:09,604 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 13:09:09,605 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 13:09:09,606 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 13:09:09,606 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,608 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_06ea28be-166c-465f-9912-4a838e4f9ad0/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2022-12-14 13:09:09,610 WARN L623 FunctionHandler]: Unknown extern function driver_unregister [2022-12-14 13:09:09,611 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 13:09:09,612 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:09,612 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 13:09:09,630 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,631 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,633 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,635 WARN L623 FunctionHandler]: Unknown extern function spi_sync [2022-12-14 13:09:09,642 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,652 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,652 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,686 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,694 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,695 WARN L623 FunctionHandler]: Unknown extern function disable_irq_nosync [2022-12-14 13:09:09,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 13:09:09,700 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,701 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 13:09:09,701 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-12-14 13:09:09,703 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_unlink_urb_from_ep [2022-12-14 13:09:09,703 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_giveback_urb [2022-12-14 13:09:09,705 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,706 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 13:09:09,706 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,706 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,708 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,708 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 13:09:09,709 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 13:09:09,717 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 13:09:09,718 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 13:09:09,718 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 13:09:09,719 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,720 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,721 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 13:09:09,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,724 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_link_urb_to_ep [2022-12-14 13:09:09,724 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,725 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_check_unlink_urb [2022-12-14 13:09:09,726 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,727 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 13:09:09,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,730 WARN L623 FunctionHandler]: Unknown extern function usb_hcd_resume_root_hub [2022-12-14 13:09:09,732 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 13:09:09,743 WARN L623 FunctionHandler]: Unknown extern function spi_setup [2022-12-14 13:09:09,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,744 WARN L623 FunctionHandler]: Unknown extern function usb_create_hcd [2022-12-14 13:09:09,744 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,749 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,750 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,750 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 13:09:09,751 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 13:09:09,751 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,752 WARN L623 FunctionHandler]: Unknown extern function usb_add_hcd [2022-12-14 13:09:09,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,753 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,753 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,754 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 13:09:09,754 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,754 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,759 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 13:09:09,760 WARN L623 FunctionHandler]: Unknown extern function usb_remove_hcd [2022-12-14 13:09:09,760 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 13:09:09,764 WARN L623 FunctionHandler]: Unknown extern function usb_put_hcd [2022-12-14 13:09:09,766 WARN L623 FunctionHandler]: Unknown extern function spi_register_driver [2022-12-14 13:09:09,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-12-14 13:09:09,770 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 13:09:09,775 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 13:09:09,776 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 13:09:09,777 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 13:09:09,778 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,779 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,779 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,780 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 13:09:09,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:09:09,850 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:09:09,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09 WrapperNode [2022-12-14 13:09:09,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:09:09,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:09,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:09:09,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:09:09,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:09,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:09,949 INFO L138 Inliner]: procedures = 178, calls = 1035, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1508 [2022-12-14 13:09:09,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:09:09,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:09:09,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:09:09,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:09:09,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:09,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:09,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:09,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:09:10,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:09:10,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:09:10,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:09:10,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (1/1) ... [2022-12-14 13:09:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:09:10,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:09:10,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:09:10,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 13:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-12-14 13:09:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-12-14 13:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 13:09:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 13:09:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 13:09:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-12-14 13:09:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-12-14 13:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-12-14 13:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-12-14 13:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 13:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 13:09:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 13:09:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 13:09:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-12-14 13:09:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-12-14 13:09:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 13:09:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 13:09:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 13:09:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 13:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-12-14 13:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 13:09:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 13:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-12-14 13:09:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-12-14 13:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-12-14 13:09:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-12-14 13:09:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 13:09:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-12-14 13:09:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-12-14 13:09:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 13:09:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 13:09:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 13:09:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 13:09:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 13:09:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 13:09:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-12-14 13:09:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 13:09:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-12-14 13:09:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-12-14 13:09:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-12-14 13:09:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-12-14 13:09:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-12-14 13:09:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 13:09:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:09:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-12-14 13:09:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-12-14 13:09:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-12-14 13:09:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-12-14 13:09:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 13:09:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 13:09:10,410 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:09:10,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:09:10,606 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 13:09:15,901 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:09:15,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:09:15,913 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 13:09:15,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:15 BoogieIcfgContainer [2022-12-14 13:09:15,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:09:15,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:09:15,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:09:15,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:09:15,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:09:08" (1/3) ... [2022-12-14 13:09:15,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7408a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:15, skipping insertion in model container [2022-12-14 13:09:15,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:09:09" (2/3) ... [2022-12-14 13:09:15,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b7408a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:09:15, skipping insertion in model container [2022-12-14 13:09:15,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:15" (3/3) ... [2022-12-14 13:09:15,924 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2022-12-14 13:09:15,940 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:09:15,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:09:16,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:09:16,011 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=FINITE_AUTOMATA, 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;@2c540307, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:09:16,011 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:09:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-12-14 13:09:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 13:09:16,040 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:16,041 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:16,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:16,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:16,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1460430108, now seen corresponding path program 1 times [2022-12-14 13:09:16,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:16,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405885473] [2022-12-14 13:09:16,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:16,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:16,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:16,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:16,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:16,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 13:09:16,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 13:09:16,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:09:16,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:09:16,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405885473] [2022-12-14 13:09:16,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405885473] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:16,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:16,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:16,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825520998] [2022-12-14 13:09:16,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:16,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:16,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:09:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:16,602 INFO L87 Difference]: Start difference. First operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:16,826 INFO L93 Difference]: Finished difference Result 1473 states and 2085 transitions. [2022-12-14 13:09:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:16,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-12-14 13:09:16,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:16,845 INFO L225 Difference]: With dead ends: 1473 [2022-12-14 13:09:16,845 INFO L226 Difference]: Without dead ends: 910 [2022-12-14 13:09:16,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:16,854 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 569 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:16,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1540 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:09:16,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-12-14 13:09:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2022-12-14 13:09:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 675 states have (on average 1.3644444444444443) internal successors, (921), 678 states have internal predecessors, (921), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-12-14 13:09:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-12-14 13:09:16,937 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-12-14 13:09:16,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:16,938 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-12-14 13:09:16,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-12-14 13:09:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 13:09:16,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:16,941 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:09:16,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:17,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:17,143 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash 773574401, now seen corresponding path program 1 times [2022-12-14 13:09:17,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:17,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479709288] [2022-12-14 13:09:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:17,154 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 [2022-12-14 13:09:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:17,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:17,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:17,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 13:09:17,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 13:09:17,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:09:17,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:09:17,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479709288] [2022-12-14 13:09:17,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479709288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:17,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:17,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:17,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81333480] [2022-12-14 13:09:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:17,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:17,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:09:17,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:17,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:17,660 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:17,883 INFO L93 Difference]: Finished difference Result 2081 states and 2880 transitions. [2022-12-14 13:09:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:17,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-12-14 13:09:17,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:17,890 INFO L225 Difference]: With dead ends: 2081 [2022-12-14 13:09:17,890 INFO L226 Difference]: Without dead ends: 1201 [2022-12-14 13:09:17,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:17,895 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 296 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:17,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1481 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:09:17,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-12-14 13:09:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1196. [2022-12-14 13:09:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 903 states have (on average 1.3565891472868217) internal successors, (1225), 908 states have internal predecessors, (1225), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2022-12-14 13:09:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-12-14 13:09:17,981 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 68 [2022-12-14 13:09:17,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:17,981 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-12-14 13:09:17,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 13:09:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-12-14 13:09:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 13:09:17,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:17,990 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:18,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:18,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:18,190 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:18,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:18,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1703027901, now seen corresponding path program 1 times [2022-12-14 13:09:18,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:18,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078322383] [2022-12-14 13:09:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:18,192 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 [2022-12-14 13:09:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:18,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:18,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:18,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 13:09:18,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:09:18,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:09:18,719 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:09:18,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078322383] [2022-12-14 13:09:18,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078322383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:18,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:18,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 13:09:18,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188467282] [2022-12-14 13:09:18,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:18,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 13:09:18,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:09:18,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 13:09:18,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 13:09:18,720 INFO L87 Difference]: Start difference. First operand 1196 states and 1644 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 13:09:19,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:19,078 INFO L93 Difference]: Finished difference Result 3184 states and 4558 transitions. [2022-12-14 13:09:19,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 13:09:19,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-12-14 13:09:19,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:19,093 INFO L225 Difference]: With dead ends: 3184 [2022-12-14 13:09:19,093 INFO L226 Difference]: Without dead ends: 2018 [2022-12-14 13:09:19,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 13:09:19,098 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 450 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:19,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 5406 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:09:19,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-12-14 13:09:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1208. [2022-12-14 13:09:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 913 states have (on average 1.352683461117196) internal successors, (1235), 918 states have internal predecessors, (1235), 210 states have call successors, (210), 83 states have call predecessors, (210), 84 states have return successors, (213), 210 states have call predecessors, (213), 209 states have call successors, (213) [2022-12-14 13:09:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1658 transitions. [2022-12-14 13:09:19,192 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1658 transitions. Word has length 89 [2022-12-14 13:09:19,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:19,193 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1658 transitions. [2022-12-14 13:09:19,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 13:09:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1658 transitions. [2022-12-14 13:09:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 13:09:19,198 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:19,198 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:19,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 13:09:19,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:19,399 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:19,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1234457031, now seen corresponding path program 1 times [2022-12-14 13:09:19,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:19,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274657203] [2022-12-14 13:09:19,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:19,400 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 [2022-12-14 13:09:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:19,401 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:19,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:19,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 13:09:19,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:19,840 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 13:09:19,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:09:19,841 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:09:19,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274657203] [2022-12-14 13:09:19,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274657203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:19,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:19,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:19,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902373530] [2022-12-14 13:09:19,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:19,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:19,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:09:19,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:19,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:19,843 INFO L87 Difference]: Start difference. First operand 1208 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 13:09:20,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:20,123 INFO L93 Difference]: Finished difference Result 3158 states and 4354 transitions. [2022-12-14 13:09:20,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:20,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-12-14 13:09:20,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:20,128 INFO L225 Difference]: With dead ends: 3158 [2022-12-14 13:09:20,129 INFO L226 Difference]: Without dead ends: 1980 [2022-12-14 13:09:20,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:20,131 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 610 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:20,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1553 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:09:20,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-12-14 13:09:20,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1975. [2022-12-14 13:09:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1510 states have (on average 1.3410596026490067) internal successors, (2025), 1519 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2022-12-14 13:09:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2676 transitions. [2022-12-14 13:09:20,189 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2676 transitions. Word has length 100 [2022-12-14 13:09:20,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:20,190 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2676 transitions. [2022-12-14 13:09:20,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 13:09:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2676 transitions. [2022-12-14 13:09:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 13:09:20,192 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:20,193 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:20,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:20,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:20,393 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:20,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:20,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1464572768, now seen corresponding path program 1 times [2022-12-14 13:09:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:20,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391977103] [2022-12-14 13:09:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:20,394 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 [2022-12-14 13:09:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:20,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:20,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:09:20,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 13:09:20,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:09:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 13:09:20,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:09:20,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 13:09:20,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391977103] [2022-12-14 13:09:20,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391977103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:09:20,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:09:20,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 13:09:20,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406086126] [2022-12-14 13:09:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:09:20,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 13:09:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 13:09:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 13:09:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:20,823 INFO L87 Difference]: Start difference. First operand 1975 states and 2676 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 13:09:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:09:20,918 INFO L93 Difference]: Finished difference Result 3928 states and 5334 transitions. [2022-12-14 13:09:20,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 13:09:20,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2022-12-14 13:09:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:09:20,927 INFO L225 Difference]: With dead ends: 3928 [2022-12-14 13:09:20,927 INFO L226 Difference]: Without dead ends: 1983 [2022-12-14 13:09:20,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 13:09:20,934 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 18 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:09:20,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1407 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:09:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-12-14 13:09:21,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1979. [2022-12-14 13:09:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1514 states have (on average 1.3375165125495376) internal successors, (2025), 1523 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2022-12-14 13:09:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2676 transitions. [2022-12-14 13:09:21,038 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2676 transitions. Word has length 99 [2022-12-14 13:09:21,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:09:21,039 INFO L495 AbstractCegarLoop]: Abstraction has 1979 states and 2676 transitions. [2022-12-14 13:09:21,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 13:09:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2676 transitions. [2022-12-14 13:09:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 13:09:21,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:09:21,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-12-14 13:09:21,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:21,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:21,245 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:09:21,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:09:21,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1809326174, now seen corresponding path program 1 times [2022-12-14 13:09:21,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 13:09:21,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988065067] [2022-12-14 13:09:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:09:21,246 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 [2022-12-14 13:09:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 13:09:21,247 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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) [2022-12-14 13:09:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -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 [2022-12-14 13:09:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:09:21,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 13:09:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 13:09:22,355 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 13:09:22,355 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 13:09:22,355 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:09:22,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 13:09:22,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 13:09:22,565 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 13:09:22,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:09:22,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:09:22 BoogieIcfgContainer [2022-12-14 13:09:22,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:09:22,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:09:22,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:09:22,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:09:22,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:09:15" (3/4) ... [2022-12-14 13:09:22,715 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 13:09:22,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:09:22,715 INFO L158 Benchmark]: Toolchain (without parser) took 14551.23ms. Allocated memory was 81.8MB in the beginning and 184.5MB in the end (delta: 102.8MB). Free memory was 51.9MB in the beginning and 112.2MB in the end (delta: -60.3MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,716 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:09:22,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.31ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 51.7MB in the beginning and 68.6MB in the end (delta: -16.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.66ms. Allocated memory is still 119.5MB. Free memory was 68.1MB in the beginning and 58.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,717 INFO L158 Benchmark]: Boogie Preprocessor took 89.07ms. Allocated memory is still 119.5MB. Free memory was 58.1MB in the beginning and 47.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,717 INFO L158 Benchmark]: RCFGBuilder took 5877.65ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 47.5MB in the beginning and 77.1MB in the end (delta: -29.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,717 INFO L158 Benchmark]: TraceAbstraction took 6792.14ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 76.0MB in the beginning and 112.2MB in the end (delta: -36.2MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2022-12-14 13:09:22,718 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 184.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:09:22,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.31ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 51.7MB in the beginning and 68.6MB in the end (delta: -16.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.66ms. Allocated memory is still 119.5MB. Free memory was 68.1MB in the beginning and 58.1MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.07ms. Allocated memory is still 119.5MB. Free memory was 58.1MB in the beginning and 47.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5877.65ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 47.5MB in the beginning and 77.1MB in the end (delta: -29.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6792.14ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 76.0MB in the beginning and 112.2MB in the end (delta: -36.2MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 184.5MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 3987]: 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 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2147483648] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=-2147483648] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=-2147483648] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=-2147483648] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=-2147483648] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=-2147483648] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={0:-9223372036854775808}, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, to_spi_device(hcd->self.controller)={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:899}, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, flags=16, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 536 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1985 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1943 mSDsluCounter, 11387 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6847 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 4540 mSDtfsCounter, 198 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1979occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 827 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3472 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 213/213 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 [2022-12-14 13:09:22,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ea28be-166c-465f-9912-4a838e4f9ad0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample