./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- 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 08:27:22,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:27:22,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:27:22,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:27:22,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:27:22,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:27:22,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:27:22,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:27:22,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:27:22,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:27:22,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:27:22,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:27:22,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:27:22,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:27:22,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:27:22,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:27:22,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:27:22,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:27:22,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:27:22,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:27:22,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:27:22,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:27:22,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:27:22,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:27:22,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:27:22,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:27:22,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:27:22,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:27:22,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:27:22,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:27:22,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:27:22,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:27:22,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:27:22,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:27:22,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:27:22,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:27:22,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:27:22,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:27:22,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:27:22,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:27:22,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:27:22,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:27:22,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:27:22,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:27:22,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:27:22,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:27:22,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:27:22,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:27:22,666 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:27:22,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:27:22,666 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:27:22,666 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:27:22,666 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:27:22,667 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:27:22,667 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:27:22,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:27:22,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:27:22,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:27:22,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:27:22,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:27:22,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:27:22,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:27:22,670 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:27:22,671 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:27:22,672 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-12-14 08:27:22,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:27:22,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:27:22,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:27:22,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:27:22,869 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:27:22,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:27:25,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:27:25,827 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:27:25,827 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:27:25,845 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/f826014ef/06a4d6bd9f7649acb6031db8ec4988d8/FLAGde52cdf24 [2022-12-14 08:27:25,855 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/f826014ef/06a4d6bd9f7649acb6031db8ec4988d8 [2022-12-14 08:27:25,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:27:25,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:27:25,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:25,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:27:25,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:27:25,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:25" (1/1) ... [2022-12-14 08:27:25,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c40472b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:25, skipping insertion in model container [2022-12-14 08:27:25,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:27:25" (1/1) ... [2022-12-14 08:27:25,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:27:25,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:27:26,247 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:27:26,270 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:27:26,273 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:27:26,298 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:27:26,300 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:27:26,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:27:26,332 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:27:26,333 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:27:26,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,357 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-14 08:27:26,362 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-14 08:27:26,387 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-12-14 08:27:26,412 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:27:26,413 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:27:26,414 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:27:26,414 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:27:26,417 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:27:26,417 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:27:26,474 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:27:26,476 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:27:26,528 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:27:26,534 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 08:27:26,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:27:26,554 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,557 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,560 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,561 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,563 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,564 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,568 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,577 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,579 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,580 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,580 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,581 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,583 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,584 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,585 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,590 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,590 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,591 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,592 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,593 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,593 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,594 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,596 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,602 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,603 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,604 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,605 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,607 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,608 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,608 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,609 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,613 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,645 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,645 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,646 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,663 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,667 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:27:26,668 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:27:26,670 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:27:26,671 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,672 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,673 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,678 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:27:26,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,680 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 08:27:26,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,681 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 08:27:26,683 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:27:26,685 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,685 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,686 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,686 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,687 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:27:26,689 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:27:26,690 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:27:26,690 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,691 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,691 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,693 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,694 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,707 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,708 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,718 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:27:26,724 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 08:27:26,725 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-14 08:27:26,725 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-14 08:27:26,726 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,726 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-14 08:27:26,727 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,727 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:27:26,727 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,728 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:27:26,728 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-14 08:27:26,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,749 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:26,777 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:27:26,823 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:27:26,824 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:27:26,824 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:27:26,826 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:27:26,826 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:27:26,826 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:27:26,827 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:27:26,828 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:27:26,831 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,831 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-14 08:27:26,832 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-14 08:27:26,834 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-12-14 08:27:26,836 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:27:26,836 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:27:26,837 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:27:26,837 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:27:26,838 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:27:26,838 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:27:26,842 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:27:26,842 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:27:26,858 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:27:26,861 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 08:27:26,870 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:27:26,871 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,873 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,874 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,874 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,875 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,888 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,890 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,891 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,895 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,895 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,897 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,898 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,898 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,899 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,899 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,901 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,901 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,903 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,906 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,906 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,907 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,908 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,909 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,909 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,909 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,911 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,911 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,914 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,916 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:27:26,916 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:27:26,917 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:27:26,917 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,918 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,918 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,920 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,920 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,929 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,930 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,934 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,935 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,935 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,935 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:27:26,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,946 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:27:26,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,947 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:27:26,948 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:27:26,948 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:27:26,949 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,950 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,950 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,952 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:27:26,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,953 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 08:27:26,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,954 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 08:27:26,955 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:27:26,956 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,956 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,956 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,957 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:27:26,957 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:27:26,959 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:27:26,959 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:27:26,960 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,960 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,960 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:27:26,961 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,962 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:27:26,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,964 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,967 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:27:26,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:27:26,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:27:26,970 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:27:26,974 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 08:27:26,974 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-14 08:27:26,975 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-14 08:27:26,975 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,975 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-14 08:27:26,976 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,976 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:27:26,976 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:27:26,977 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:27:26,977 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-14 08:27:26,979 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,983 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,983 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:27:26,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:27:27,035 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:27:27,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27 WrapperNode [2022-12-14 08:27:27,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:27:27,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:27,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:27:27,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:27:27,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,168 INFO L138 Inliner]: procedures = 203, calls = 1279, calls flagged for inlining = 87, calls inlined = 87, statements flattened = 3473 [2022-12-14 08:27:27,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:27:27,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:27:27,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:27:27,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:27:27,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:27:27,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:27:27,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:27:27,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:27:27,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (1/1) ... [2022-12-14 08:27:27,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:27:27,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:27:27,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:27:27,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:27:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-12-14 08:27:27,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-12-14 08:27:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 08:27:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 08:27:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 08:27:27,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 08:27:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:27:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:27:27,421 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-12-14 08:27:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-12-14 08:27:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 08:27:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 08:27:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 08:27:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 08:27:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-14 08:27:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 08:27:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 08:27:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-12-14 08:27:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 08:27:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-12-14 08:27:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-12-14 08:27:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-12-14 08:27:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-12-14 08:27:27,424 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-12-14 08:27:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-12-14 08:27:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 08:27:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-12-14 08:27:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-12-14 08:27:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-12-14 08:27:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 08:27:27,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 08:27:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-12-14 08:27:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:27:27,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:27:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 08:27:27,428 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 08:27:27,835 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:27:27,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:27:28,003 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 08:27:43,633 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:27:44,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:27:44,359 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:27:44,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:44 BoogieIcfgContainer [2022-12-14 08:27:44,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:27:44,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:27:44,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:27:44,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:27:44,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:27:25" (1/3) ... [2022-12-14 08:27:44,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c4498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:44, skipping insertion in model container [2022-12-14 08:27:44,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:27:27" (2/3) ... [2022-12-14 08:27:44,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c4498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:27:44, skipping insertion in model container [2022-12-14 08:27:44,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:44" (3/3) ... [2022-12-14 08:27:44,372 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:27:44,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:27:44,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:27:44,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:27:44,466 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;@ec0675c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:27:44,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:27:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 993 states, 602 states have (on average 1.3820598006644518) internal successors, (832), 645 states have internal predecessors, (832), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) [2022-12-14 08:27:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 08:27:44,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:44,482 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:44,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:27:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1864988308, now seen corresponding path program 1 times [2022-12-14 08:27:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:44,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380448679] [2022-12-14 08:27:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:27:45,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:45,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380448679] [2022-12-14 08:27:45,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380448679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:45,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:45,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:27:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280009815] [2022-12-14 08:27:45,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:45,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:45,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:45,187 INFO L87 Difference]: Start difference. First operand has 993 states, 602 states have (on average 1.3820598006644518) internal successors, (832), 645 states have internal predecessors, (832), 323 states have call successors, (323), 67 states have call predecessors, (323), 66 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:27:47,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:27:48,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:48,271 INFO L93 Difference]: Finished difference Result 2834 states and 4260 transitions. [2022-12-14 08:27:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:48,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-12-14 08:27:48,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:48,299 INFO L225 Difference]: With dead ends: 2834 [2022-12-14 08:27:48,299 INFO L226 Difference]: Without dead ends: 1841 [2022-12-14 08:27:48,308 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 08:27:48,311 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 1363 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:48,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 2784 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 08:27:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2022-12-14 08:27:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1835. [2022-12-14 08:27:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1117 states have (on average 1.367949865711728) internal successors, (1528), 1177 states have internal predecessors, (1528), 592 states have call successors, (592), 126 states have call predecessors, (592), 125 states have return successors, (579), 573 states have call predecessors, (579), 579 states have call successors, (579) [2022-12-14 08:27:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2699 transitions. [2022-12-14 08:27:48,475 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2699 transitions. Word has length 54 [2022-12-14 08:27:48,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:48,476 INFO L495 AbstractCegarLoop]: Abstraction has 1835 states and 2699 transitions. [2022-12-14 08:27:48,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:27:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2699 transitions. [2022-12-14 08:27:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 08:27:48,478 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:48,478 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:48,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:27:48,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:27:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1541739521, now seen corresponding path program 1 times [2022-12-14 08:27:48,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:48,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432339148] [2022-12-14 08:27:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:27:48,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:48,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432339148] [2022-12-14 08:27:48,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432339148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:48,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:48,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:27:48,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678777117] [2022-12-14 08:27:48,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:48,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:48,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:48,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:48,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:48,714 INFO L87 Difference]: Start difference. First operand 1835 states and 2699 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:27:50,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:27:51,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:51,799 INFO L93 Difference]: Finished difference Result 3625 states and 5339 transitions. [2022-12-14 08:27:51,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:51,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 54 [2022-12-14 08:27:51,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:51,848 INFO L225 Difference]: With dead ends: 3625 [2022-12-14 08:27:51,848 INFO L226 Difference]: Without dead ends: 3605 [2022-12-14 08:27:51,850 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 08:27:51,851 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 1375 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 2759 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:51,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 2759 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 08:27:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-12-14 08:27:52,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3601. [2022-12-14 08:27:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3601 states, 2198 states have (on average 1.3657870791628755) internal successors, (3002), 2306 states have internal predecessors, (3002), 1158 states have call successors, (1158), 247 states have call predecessors, (1158), 244 states have return successors, (1146), 1131 states have call predecessors, (1146), 1146 states have call successors, (1146) [2022-12-14 08:27:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5306 transitions. [2022-12-14 08:27:52,050 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5306 transitions. Word has length 54 [2022-12-14 08:27:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:52,050 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5306 transitions. [2022-12-14 08:27:52,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:27:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5306 transitions. [2022-12-14 08:27:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 08:27:52,053 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:52,053 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:52,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:27:52,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:27:52,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:52,054 INFO L85 PathProgramCache]: Analyzing trace with hash 548302923, now seen corresponding path program 1 times [2022-12-14 08:27:52,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:52,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225092001] [2022-12-14 08:27:52,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:27:52,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:52,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225092001] [2022-12-14 08:27:52,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225092001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:52,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:52,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:27:52,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030081318] [2022-12-14 08:27:52,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:52,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:52,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:52,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:52,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:52,295 INFO L87 Difference]: Start difference. First operand 3601 states and 5306 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:27:54,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:27:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:55,446 INFO L93 Difference]: Finished difference Result 10741 states and 15843 transitions. [2022-12-14 08:27:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:55,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 55 [2022-12-14 08:27:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:55,479 INFO L225 Difference]: With dead ends: 10741 [2022-12-14 08:27:55,479 INFO L226 Difference]: Without dead ends: 7153 [2022-12-14 08:27:55,492 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 08:27:55,493 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 1374 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:55,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 2871 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 309 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 08:27:55,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2022-12-14 08:27:55,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7142. [2022-12-14 08:27:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7142 states, 4365 states have (on average 1.3663230240549828) internal successors, (5964), 4573 states have internal predecessors, (5964), 2294 states have call successors, (2294), 487 states have call predecessors, (2294), 482 states have return successors, (2276), 2249 states have call predecessors, (2276), 2276 states have call successors, (2276) [2022-12-14 08:27:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10534 transitions. [2022-12-14 08:27:55,780 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 10534 transitions. Word has length 55 [2022-12-14 08:27:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:55,780 INFO L495 AbstractCegarLoop]: Abstraction has 7142 states and 10534 transitions. [2022-12-14 08:27:55,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:27:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 10534 transitions. [2022-12-14 08:27:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 08:27:55,785 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:55,785 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:55,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:27:55,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:27:55,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:55,786 INFO L85 PathProgramCache]: Analyzing trace with hash -402736614, now seen corresponding path program 1 times [2022-12-14 08:27:55,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:55,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104085681] [2022-12-14 08:27:55,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:55,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:27:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:27:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:27:56,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:27:56,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104085681] [2022-12-14 08:27:56,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104085681] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:27:56,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:27:56,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:27:56,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709776313] [2022-12-14 08:27:56,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:27:56,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:27:56,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:27:56,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:27:56,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:27:56,003 INFO L87 Difference]: Start difference. First operand 7142 states and 10534 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:27:58,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:27:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:27:59,298 INFO L93 Difference]: Finished difference Result 21386 states and 31552 transitions. [2022-12-14 08:27:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:27:59,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2022-12-14 08:27:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:27:59,359 INFO L225 Difference]: With dead ends: 21386 [2022-12-14 08:27:59,359 INFO L226 Difference]: Without dead ends: 14254 [2022-12-14 08:27:59,380 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 08:27:59,381 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1367 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:27:59,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2806 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 290 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 08:27:59,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14254 states. [2022-12-14 08:27:59,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14254 to 14217. [2022-12-14 08:27:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14217 states, 8700 states have (on average 1.3666666666666667) internal successors, (11890), 9104 states have internal predecessors, (11890), 4558 states have call successors, (4558), 966 states have call predecessors, (4558), 958 states have return successors, (4538), 4482 states have call predecessors, (4538), 4538 states have call successors, (4538) [2022-12-14 08:27:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14217 states to 14217 states and 20986 transitions. [2022-12-14 08:27:59,953 INFO L78 Accepts]: Start accepts. Automaton has 14217 states and 20986 transitions. Word has length 68 [2022-12-14 08:27:59,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:27:59,953 INFO L495 AbstractCegarLoop]: Abstraction has 14217 states and 20986 transitions. [2022-12-14 08:27:59,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:27:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 14217 states and 20986 transitions. [2022-12-14 08:27:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-14 08:27:59,955 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:27:59,956 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:59,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:27:59,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:27:59,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:27:59,957 INFO L85 PathProgramCache]: Analyzing trace with hash -613046230, now seen corresponding path program 1 times [2022-12-14 08:27:59,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:27:59,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371362157] [2022-12-14 08:27:59,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:27:59,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:28:01,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:01,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371362157] [2022-12-14 08:28:01,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371362157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:01,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:01,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 08:28:01,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103500959] [2022-12-14 08:28:01,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:01,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 08:28:01,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:01,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 08:28:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:28:01,728 INFO L87 Difference]: Start difference. First operand 14217 states and 20986 transitions. Second operand has 12 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 08:28:03,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:28:12,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:12,191 INFO L93 Difference]: Finished difference Result 41741 states and 62034 transitions. [2022-12-14 08:28:12,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 08:28:12,192 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 70 [2022-12-14 08:28:12,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:12,295 INFO L225 Difference]: With dead ends: 41741 [2022-12-14 08:28:12,295 INFO L226 Difference]: Without dead ends: 27537 [2022-12-14 08:28:12,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-12-14 08:28:12,336 INFO L413 NwaCegarLoop]: 2347 mSDtfsCounter, 1891 mSDsluCounter, 22372 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 216 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 24719 SdHoareTripleChecker+Invalid, 3698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:12,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 24719 Invalid, 3698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [216 Valid, 3481 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-12-14 08:28:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27537 states. [2022-12-14 08:28:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27537 to 24755. [2022-12-14 08:28:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24755 states, 15144 states have (on average 1.3661516111991547) internal successors, (20689), 15855 states have internal predecessors, (20689), 7932 states have call successors, (7932), 1674 states have call predecessors, (7932), 1678 states have return successors, (7954), 7813 states have call predecessors, (7954), 7912 states have call successors, (7954) [2022-12-14 08:28:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24755 states to 24755 states and 36575 transitions. [2022-12-14 08:28:13,360 INFO L78 Accepts]: Start accepts. Automaton has 24755 states and 36575 transitions. Word has length 70 [2022-12-14 08:28:13,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:13,361 INFO L495 AbstractCegarLoop]: Abstraction has 24755 states and 36575 transitions. [2022-12-14 08:28:13,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 08:28:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 24755 states and 36575 transitions. [2022-12-14 08:28:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 08:28:13,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:13,363 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:13,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:28:13,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:28:13,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:13,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1041093003, now seen corresponding path program 1 times [2022-12-14 08:28:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:13,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029817522] [2022-12-14 08:28:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:13,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:28:13,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:13,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029817522] [2022-12-14 08:28:13,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029817522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:13,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:13,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:28:13,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015148335] [2022-12-14 08:28:13,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:13,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:28:13,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:13,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:28:13,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:28:13,647 INFO L87 Difference]: Start difference. First operand 24755 states and 36575 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:28:15,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:28:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:17,532 INFO L93 Difference]: Finished difference Result 49504 states and 73137 transitions. [2022-12-14 08:28:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:28:17,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2022-12-14 08:28:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:17,613 INFO L225 Difference]: With dead ends: 49504 [2022-12-14 08:28:17,613 INFO L226 Difference]: Without dead ends: 24762 [2022-12-14 08:28:17,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 08:28:17,660 INFO L413 NwaCegarLoop]: 2433 mSDtfsCounter, 1340 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 3687 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:17,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 3687 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 418 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 08:28:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24762 states. [2022-12-14 08:28:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24762 to 24736. [2022-12-14 08:28:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24736 states, 15125 states have (on average 1.3655537190082645) internal successors, (20654), 15838 states have internal predecessors, (20654), 7932 states have call successors, (7932), 1674 states have call predecessors, (7932), 1678 states have return successors, (7954), 7811 states have call predecessors, (7954), 7912 states have call successors, (7954) [2022-12-14 08:28:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24736 states to 24736 states and 36540 transitions. [2022-12-14 08:28:18,545 INFO L78 Accepts]: Start accepts. Automaton has 24736 states and 36540 transitions. Word has length 80 [2022-12-14 08:28:18,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:18,545 INFO L495 AbstractCegarLoop]: Abstraction has 24736 states and 36540 transitions. [2022-12-14 08:28:18,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:28:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 24736 states and 36540 transitions. [2022-12-14 08:28:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 08:28:18,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:18,547 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:18,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:28:18,547 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:28:18,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:18,548 INFO L85 PathProgramCache]: Analyzing trace with hash -733791328, now seen corresponding path program 1 times [2022-12-14 08:28:18,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:18,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648020404] [2022-12-14 08:28:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-14 08:28:21,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:21,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648020404] [2022-12-14 08:28:21,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648020404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:21,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:21,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 08:28:21,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134551609] [2022-12-14 08:28:21,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:21,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 08:28:21,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 08:28:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-12-14 08:28:21,767 INFO L87 Difference]: Start difference. First operand 24736 states and 36540 transitions. Second operand has 14 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-14 08:28:23,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:28:35,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:35,061 INFO L93 Difference]: Finished difference Result 62871 states and 93285 transitions. [2022-12-14 08:28:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-14 08:28:35,062 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 85 [2022-12-14 08:28:35,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:35,203 INFO L225 Difference]: With dead ends: 62871 [2022-12-14 08:28:35,203 INFO L226 Difference]: Without dead ends: 38148 [2022-12-14 08:28:35,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2022-12-14 08:28:35,267 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 2269 mSDsluCounter, 25623 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 421 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2335 SdHoareTripleChecker+Valid, 28027 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:35,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2335 Valid, 28027 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [421 Valid, 4074 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-12-14 08:28:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38148 states. [2022-12-14 08:28:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38148 to 24728. [2022-12-14 08:28:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24728 states, 15117 states have (on average 1.3656148706753986) internal successors, (20644), 15830 states have internal predecessors, (20644), 7932 states have call successors, (7932), 1674 states have call predecessors, (7932), 1678 states have return successors, (7954), 7811 states have call predecessors, (7954), 7912 states have call successors, (7954) [2022-12-14 08:28:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24728 states to 24728 states and 36530 transitions. [2022-12-14 08:28:36,695 INFO L78 Accepts]: Start accepts. Automaton has 24728 states and 36530 transitions. Word has length 85 [2022-12-14 08:28:36,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:36,695 INFO L495 AbstractCegarLoop]: Abstraction has 24728 states and 36530 transitions. [2022-12-14 08:28:36,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-14 08:28:36,696 INFO L276 IsEmpty]: Start isEmpty. Operand 24728 states and 36530 transitions. [2022-12-14 08:28:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 08:28:36,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:36,698 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:28:36,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:28:36,699 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:28:36,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:36,699 INFO L85 PathProgramCache]: Analyzing trace with hash -531839930, now seen corresponding path program 1 times [2022-12-14 08:28:36,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:36,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924358637] [2022-12-14 08:28:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-14 08:28:38,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:38,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924358637] [2022-12-14 08:28:38,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924358637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:38,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:38,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-14 08:28:38,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906215198] [2022-12-14 08:28:38,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:38,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 08:28:38,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:38,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 08:28:38,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-12-14 08:28:38,964 INFO L87 Difference]: Start difference. First operand 24728 states and 36530 transitions. Second operand has 14 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-12-14 08:28:40,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:28:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:52,543 INFO L93 Difference]: Finished difference Result 46760 states and 69054 transitions. [2022-12-14 08:28:52,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-14 08:28:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) Word has length 92 [2022-12-14 08:28:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:52,604 INFO L225 Difference]: With dead ends: 46760 [2022-12-14 08:28:52,604 INFO L226 Difference]: Without dead ends: 22045 [2022-12-14 08:28:52,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2022-12-14 08:28:52,647 INFO L413 NwaCegarLoop]: 2631 mSDtfsCounter, 1797 mSDsluCounter, 27297 mSDsCounter, 0 mSdLazyCounter, 4221 mSolverCounterSat, 253 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 29928 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 4221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:52,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 29928 Invalid, 4475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [253 Valid, 4221 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-12-14 08:28:52,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22045 states. [2022-12-14 08:28:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22045 to 21049. [2022-12-14 08:28:53,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21049 states, 12850 states have (on average 1.365058365758755) internal successors, (17541), 13456 states have internal predecessors, (17541), 6769 states have call successors, (6769), 1424 states have call predecessors, (6769), 1429 states have return successors, (6793), 6672 states have call predecessors, (6793), 6757 states have call successors, (6793) [2022-12-14 08:28:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21049 states to 21049 states and 31103 transitions. [2022-12-14 08:28:53,870 INFO L78 Accepts]: Start accepts. Automaton has 21049 states and 31103 transitions. Word has length 92 [2022-12-14 08:28:53,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:53,870 INFO L495 AbstractCegarLoop]: Abstraction has 21049 states and 31103 transitions. [2022-12-14 08:28:53,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 4.3) internal successors, (43), 11 states have internal predecessors, (43), 5 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 6 states have call predecessors, (15), 5 states have call successors, (15) [2022-12-14 08:28:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 21049 states and 31103 transitions. [2022-12-14 08:28:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-14 08:28:53,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:53,873 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] [2022-12-14 08:28:53,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:28:53,873 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:28:53,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:53,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1503523353, now seen corresponding path program 1 times [2022-12-14 08:28:53,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:53,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812390267] [2022-12-14 08:28:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:54,143 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 08:28:54,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:54,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812390267] [2022-12-14 08:28:54,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812390267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:54,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:54,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:28:54,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946695980] [2022-12-14 08:28:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:54,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:28:54,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:54,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:28:54,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:28:54,145 INFO L87 Difference]: Start difference. First operand 21049 states and 31103 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:28:56,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:28:58,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:28:58,461 INFO L93 Difference]: Finished difference Result 22616 states and 33614 transitions. [2022-12-14 08:28:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:28:58,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 87 [2022-12-14 08:28:58,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:28:58,504 INFO L225 Difference]: With dead ends: 22616 [2022-12-14 08:28:58,504 INFO L226 Difference]: Without dead ends: 15622 [2022-12-14 08:28:58,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:28:58,520 INFO L413 NwaCegarLoop]: 1858 mSDtfsCounter, 518 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 126 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:28:58,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 5010 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-12-14 08:28:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15622 states. [2022-12-14 08:28:59,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15622 to 14100. [2022-12-14 08:28:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14100 states, 8607 states have (on average 1.3637736725920762) internal successors, (11738), 9014 states have internal predecessors, (11738), 4529 states have call successors, (4529), 960 states have call predecessors, (4529), 963 states have return successors, (4541), 4461 states have call predecessors, (4541), 4517 states have call successors, (4541) [2022-12-14 08:28:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14100 states to 14100 states and 20808 transitions. [2022-12-14 08:28:59,420 INFO L78 Accepts]: Start accepts. Automaton has 14100 states and 20808 transitions. Word has length 87 [2022-12-14 08:28:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:28:59,420 INFO L495 AbstractCegarLoop]: Abstraction has 14100 states and 20808 transitions. [2022-12-14 08:28:59,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:28:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 14100 states and 20808 transitions. [2022-12-14 08:28:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 08:28:59,423 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:28:59,423 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 08:28:59,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:28:59,423 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:28:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:28:59,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1984341183, now seen corresponding path program 1 times [2022-12-14 08:28:59,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:28:59,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004605297] [2022-12-14 08:28:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:28:59,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:28:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:28:59,679 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 08:28:59,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:28:59,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004605297] [2022-12-14 08:28:59,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004605297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:28:59,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:28:59,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:28:59,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40983059] [2022-12-14 08:28:59,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:28:59,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:28:59,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:28:59,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:28:59,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:28:59,680 INFO L87 Difference]: Start difference. First operand 14100 states and 20808 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:29:01,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:03,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:03,751 INFO L93 Difference]: Finished difference Result 28178 states and 41590 transitions. [2022-12-14 08:29:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:29:03,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 89 [2022-12-14 08:29:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:03,788 INFO L225 Difference]: With dead ends: 28178 [2022-12-14 08:29:03,788 INFO L226 Difference]: Without dead ends: 14108 [2022-12-14 08:29:03,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:29:03,814 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 513 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 4403 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:03,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 4403 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:29:03,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14108 states. [2022-12-14 08:29:04,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14108 to 14090. [2022-12-14 08:29:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14090 states, 8603 states have (on average 1.3634778565616645) internal successors, (11730), 9010 states have internal predecessors, (11730), 4525 states have call successors, (4525), 956 states have call predecessors, (4525), 961 states have return successors, (4537), 4459 states have call predecessors, (4537), 4513 states have call successors, (4537) [2022-12-14 08:29:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14090 states to 14090 states and 20792 transitions. [2022-12-14 08:29:04,652 INFO L78 Accepts]: Start accepts. Automaton has 14090 states and 20792 transitions. Word has length 89 [2022-12-14 08:29:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:04,652 INFO L495 AbstractCegarLoop]: Abstraction has 14090 states and 20792 transitions. [2022-12-14 08:29:04,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:29:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 14090 states and 20792 transitions. [2022-12-14 08:29:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 08:29:04,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:04,655 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 08:29:04,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:29:04,656 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:04,656 INFO L85 PathProgramCache]: Analyzing trace with hash -293277204, now seen corresponding path program 1 times [2022-12-14 08:29:04,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:04,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524733148] [2022-12-14 08:29:04,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:04,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:05,005 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 08:29:05,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:05,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524733148] [2022-12-14 08:29:05,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524733148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:05,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:29:05,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:29:05,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582558406] [2022-12-14 08:29:05,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:05,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:29:05,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:05,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:29:05,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:29:05,007 INFO L87 Difference]: Start difference. First operand 14090 states and 20792 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:29:07,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:11,077 INFO L93 Difference]: Finished difference Result 22381 states and 32907 transitions. [2022-12-14 08:29:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:29:11,077 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2022-12-14 08:29:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:11,100 INFO L225 Difference]: With dead ends: 22381 [2022-12-14 08:29:11,100 INFO L226 Difference]: Without dead ends: 8321 [2022-12-14 08:29:11,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:29:11,124 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 2148 mSDsluCounter, 8799 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 251 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 11389 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:11,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 11389 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1531 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 08:29:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2022-12-14 08:29:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 8238. [2022-12-14 08:29:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8238 states, 5024 states have (on average 1.3552945859872612) internal successors, (6809), 5266 states have internal predecessors, (6809), 2619 states have call successors, (2619), 588 states have call predecessors, (2619), 594 states have return successors, (2618), 2572 states have call predecessors, (2618), 2607 states have call successors, (2618) [2022-12-14 08:29:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8238 states to 8238 states and 12046 transitions. [2022-12-14 08:29:11,650 INFO L78 Accepts]: Start accepts. Automaton has 8238 states and 12046 transitions. Word has length 89 [2022-12-14 08:29:11,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:11,650 INFO L495 AbstractCegarLoop]: Abstraction has 8238 states and 12046 transitions. [2022-12-14 08:29:11,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:29:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 8238 states and 12046 transitions. [2022-12-14 08:29:11,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 08:29:11,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:11,653 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:29:11,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 08:29:11,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1220669597, now seen corresponding path program 1 times [2022-12-14 08:29:11,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:11,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737328132] [2022-12-14 08:29:11,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:11,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:29:11,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:11,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737328132] [2022-12-14 08:29:11,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737328132] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:11,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:29:11,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:29:11,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412202382] [2022-12-14 08:29:11,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:11,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:29:11,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:11,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:29:11,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:29:11,921 INFO L87 Difference]: Start difference. First operand 8238 states and 12046 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:29:13,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:15,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:15,960 INFO L93 Difference]: Finished difference Result 14098 states and 20664 transitions. [2022-12-14 08:29:15,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:29:15,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 91 [2022-12-14 08:29:15,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:15,978 INFO L225 Difference]: With dead ends: 14098 [2022-12-14 08:29:15,978 INFO L226 Difference]: Without dead ends: 6798 [2022-12-14 08:29:15,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:29:15,992 INFO L413 NwaCegarLoop]: 1647 mSDtfsCounter, 677 mSDsluCounter, 3020 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 123 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 4667 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:15,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 4667 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:29:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2022-12-14 08:29:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 6395. [2022-12-14 08:29:16,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 3896 states have (on average 1.3552361396303902) internal successors, (5280), 4083 states have internal predecessors, (5280), 2036 states have call successors, (2036), 458 states have call predecessors, (2036), 462 states have return successors, (2035), 2000 states have call predecessors, (2035), 2026 states have call successors, (2035) [2022-12-14 08:29:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9351 transitions. [2022-12-14 08:29:16,384 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9351 transitions. Word has length 91 [2022-12-14 08:29:16,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:16,385 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9351 transitions. [2022-12-14 08:29:16,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:29:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9351 transitions. [2022-12-14 08:29:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 08:29:16,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:16,387 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] [2022-12-14 08:29:16,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:29:16,388 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:16,388 INFO L85 PathProgramCache]: Analyzing trace with hash 559716990, now seen corresponding path program 1 times [2022-12-14 08:29:16,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:16,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348487777] [2022-12-14 08:29:16,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:16,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:16,722 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 08:29:16,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:16,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348487777] [2022-12-14 08:29:16,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348487777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:16,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:29:16,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 08:29:16,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129703190] [2022-12-14 08:29:16,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:16,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 08:29:16,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:16,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 08:29:16,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 08:29:16,724 INFO L87 Difference]: Start difference. First operand 6395 states and 9351 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:29:18,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:20,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:20,347 INFO L93 Difference]: Finished difference Result 6769 states and 9940 transitions. [2022-12-14 08:29:20,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:29:20,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2022-12-14 08:29:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:20,361 INFO L225 Difference]: With dead ends: 6769 [2022-12-14 08:29:20,361 INFO L226 Difference]: Without dead ends: 4932 [2022-12-14 08:29:20,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:29:20,366 INFO L413 NwaCegarLoop]: 1618 mSDtfsCounter, 647 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 117 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 4620 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:20,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 4620 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:29:20,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2022-12-14 08:29:20,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4580. [2022-12-14 08:29:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 2791 states have (on average 1.353636689358653) internal successors, (3778), 2925 states have internal predecessors, (3778), 1456 states have call successors, (1456), 329 states have call predecessors, (1456), 332 states have return successors, (1455), 1430 states have call predecessors, (1455), 1448 states have call successors, (1455) [2022-12-14 08:29:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6689 transitions. [2022-12-14 08:29:20,682 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6689 transitions. Word has length 97 [2022-12-14 08:29:20,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:20,682 INFO L495 AbstractCegarLoop]: Abstraction has 4580 states and 6689 transitions. [2022-12-14 08:29:20,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:29:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6689 transitions. [2022-12-14 08:29:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 08:29:20,684 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:20,684 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:29:20,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 08:29:20,685 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:20,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:20,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1702794396, now seen corresponding path program 1 times [2022-12-14 08:29:20,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:20,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709262091] [2022-12-14 08:29:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:20,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 08:29:22,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:22,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709262091] [2022-12-14 08:29:22,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709262091] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:29:22,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167966486] [2022-12-14 08:29:22,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:22,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:29:22,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:29:22,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:29:22,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:29:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:26,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 08:29:26,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:29:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 08:29:26,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:29:26,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167966486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:26,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:29:26,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 17 [2022-12-14 08:29:26,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740445087] [2022-12-14 08:29:26,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:26,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 08:29:26,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 08:29:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-12-14 08:29:26,788 INFO L87 Difference]: Start difference. First operand 4580 states and 6689 transitions. Second operand has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-14 08:29:28,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:33,358 INFO L93 Difference]: Finished difference Result 6472 states and 9428 transitions. [2022-12-14 08:29:33,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 08:29:33,359 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 103 [2022-12-14 08:29:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:33,366 INFO L225 Difference]: With dead ends: 6472 [2022-12-14 08:29:33,366 INFO L226 Difference]: Without dead ends: 2789 [2022-12-14 08:29:33,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-12-14 08:29:33,372 INFO L413 NwaCegarLoop]: 1481 mSDtfsCounter, 195 mSDsluCounter, 14498 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 15979 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:33,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 15979 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1829 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 08:29:33,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2022-12-14 08:29:33,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2773. [2022-12-14 08:29:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 1690 states have (on average 1.3497041420118343) internal successors, (2281), 1768 states have internal predecessors, (2281), 881 states have call successors, (881), 203 states have call predecessors, (881), 201 states have return successors, (874), 864 states have call predecessors, (874), 874 states have call successors, (874) [2022-12-14 08:29:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 4036 transitions. [2022-12-14 08:29:33,555 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 4036 transitions. Word has length 103 [2022-12-14 08:29:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:33,555 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 4036 transitions. [2022-12-14 08:29:33,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 5 states have call successors, (18), 2 states have call predecessors, (18), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-14 08:29:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 4036 transitions. [2022-12-14 08:29:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 08:29:33,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:33,557 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 08:29:33,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:29:33,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:29:33,759 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:33,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:33,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2119606650, now seen corresponding path program 1 times [2022-12-14 08:29:33,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:33,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199543013] [2022-12-14 08:29:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:33,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:33,996 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 08:29:33,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:33,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199543013] [2022-12-14 08:29:33,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199543013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:33,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:29:33,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:29:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532243844] [2022-12-14 08:29:33,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:33,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:29:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:29:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:29:33,998 INFO L87 Difference]: Start difference. First operand 2773 states and 4036 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:29:36,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:37,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:37,453 INFO L93 Difference]: Finished difference Result 2777 states and 4038 transitions. [2022-12-14 08:29:37,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:29:37,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-12-14 08:29:37,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:37,460 INFO L225 Difference]: With dead ends: 2777 [2022-12-14 08:29:37,461 INFO L226 Difference]: Without dead ends: 2774 [2022-12-14 08:29:37,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 08:29:37,462 INFO L413 NwaCegarLoop]: 2411 mSDtfsCounter, 1323 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 3622 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:37,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 3622 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 08:29:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-12-14 08:29:37,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2772. [2022-12-14 08:29:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 1690 states have (on average 1.3485207100591716) internal successors, (2279), 1767 states have internal predecessors, (2279), 880 states have call successors, (880), 203 states have call predecessors, (880), 201 states have return successors, (874), 864 states have call predecessors, (874), 874 states have call successors, (874) [2022-12-14 08:29:37,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4033 transitions. [2022-12-14 08:29:37,644 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4033 transitions. Word has length 100 [2022-12-14 08:29:37,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:37,644 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 4033 transitions. [2022-12-14 08:29:37,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:29:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4033 transitions. [2022-12-14 08:29:37,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 08:29:37,647 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:37,647 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:29:37,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 08:29:37,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:37,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1050838507, now seen corresponding path program 1 times [2022-12-14 08:29:37,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:37,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994768490] [2022-12-14 08:29:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:37,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:29:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-14 08:29:38,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:29:38,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994768490] [2022-12-14 08:29:38,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994768490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:29:38,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:29:38,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 08:29:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876426559] [2022-12-14 08:29:38,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:29:38,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 08:29:38,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:29:38,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 08:29:38,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:29:38,362 INFO L87 Difference]: Start difference. First operand 2772 states and 4033 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 08:29:40,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:29:43,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:29:43,895 INFO L93 Difference]: Finished difference Result 4662 states and 6765 transitions. [2022-12-14 08:29:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:29:43,896 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 108 [2022-12-14 08:29:43,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:29:43,903 INFO L225 Difference]: With dead ends: 4662 [2022-12-14 08:29:43,904 INFO L226 Difference]: Without dead ends: 2770 [2022-12-14 08:29:43,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:29:43,908 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 519 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 125 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 11941 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:29:43,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 11941 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1312 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 08:29:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2022-12-14 08:29:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2761. [2022-12-14 08:29:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 1683 states have (on average 1.3493761140819964) internal successors, (2271), 1760 states have internal predecessors, (2271), 878 states have call successors, (878), 201 states have call predecessors, (878), 199 states have return successors, (872), 862 states have call predecessors, (872), 872 states have call successors, (872) [2022-12-14 08:29:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 4021 transitions. [2022-12-14 08:29:44,091 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 4021 transitions. Word has length 108 [2022-12-14 08:29:44,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:29:44,091 INFO L495 AbstractCegarLoop]: Abstraction has 2761 states and 4021 transitions. [2022-12-14 08:29:44,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 08:29:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 4021 transitions. [2022-12-14 08:29:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 08:29:44,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:29:44,094 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:29:44,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 08:29:44,094 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:29:44,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:29:44,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1393976934, now seen corresponding path program 1 times [2022-12-14 08:29:44,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:29:44,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307672349] [2022-12-14 08:29:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:29:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:29:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:29:44,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:29:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:29:44,386 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:29:44,386 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:29:44,387 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:29:44,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 08:29:44,391 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:29:44,394 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:29:44,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:29:44 BoogieIcfgContainer [2022-12-14 08:29:44,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:29:44,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:29:44,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:29:44,543 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:29:44,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:27:44" (3/4) ... [2022-12-14 08:29:44,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:29:44,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:29:44,546 INFO L158 Benchmark]: Toolchain (without parser) took 138688.02ms. Allocated memory was 121.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 72.8MB in the beginning and 843.0MB in the end (delta: -770.2MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-12-14 08:29:44,546 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1176.48ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 72.4MB in the beginning and 107.4MB in the end (delta: -35.0MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.06ms. Allocated memory is still 184.5MB. Free memory was 107.4MB in the beginning and 87.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: Boogie Preprocessor took 187.30ms. Allocated memory is still 184.5MB. Free memory was 87.5MB in the beginning and 116.9MB in the end (delta: -29.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: RCFGBuilder took 17007.62ms. Allocated memory was 184.5MB in the beginning and 767.6MB in the end (delta: 583.0MB). Free memory was 116.9MB in the beginning and 619.1MB in the end (delta: -502.2MB). Peak memory consumption was 480.3MB. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: TraceAbstraction took 120176.15ms. Allocated memory was 767.6MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 619.1MB in the beginning and 843.0MB in the end (delta: -223.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-12-14 08:29:44,547 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 1.9GB. Free memory is still 843.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:29:44,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1176.48ms. Allocated memory was 121.6MB in the beginning and 184.5MB in the end (delta: 62.9MB). Free memory was 72.4MB in the beginning and 107.4MB in the end (delta: -35.0MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.06ms. Allocated memory is still 184.5MB. Free memory was 107.4MB in the beginning and 87.5MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.30ms. Allocated memory is still 184.5MB. Free memory was 87.5MB in the beginning and 116.9MB in the end (delta: -29.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * RCFGBuilder took 17007.62ms. Allocated memory was 184.5MB in the beginning and 767.6MB in the end (delta: 583.0MB). Free memory was 116.9MB in the beginning and 619.1MB in the end (delta: -502.2MB). Peak memory consumption was 480.3MB. Max. memory is 16.1GB. * TraceAbstraction took 120176.15ms. Allocated memory was 767.6MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 619.1MB in the beginning and 843.0MB in the end (delta: -223.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 1.9GB. Free memory is still 843.0MB. 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: 3238]: 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 5432. Possible FailurePath: [L3261] int LDV_IN_INTERRUPT = 1; [L3262] int ldv_state_variable_2 ; [L3263] int ref_cnt ; [L3264] int ldv_state_variable_1 ; [L3265] struct file *printer_io_operations_group2 ; [L3266] struct inode *printer_io_operations_group1 ; [L3267] int ldv_state_variable_0 ; [L3268] struct usb_gadget *printer_driver_group0 ; [L3752] static unsigned int epnum ; [L3924-L3927] static struct mutex printer_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "printer_mutex.wait_lock", 0, 0UL}}}}, {& printer_mutex.wait_list, & printer_mutex.wait_list}, 0, 0, (void *)(& printer_mutex), {0, 0, "printer_mutex", 0, 0UL}}; [L3928-L3930] static char const shortname[8U] = { 'p', 'r', 'i', 'n', 't', 'e', 'r', '\000'}; [L3931-L3935] static char const driver_desc[15U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3936] static dev_t g_printer_devno ; [L3937] static struct class *usb_gadget_class ; [L3938] static struct printer_dev usb_printer_gadget ; [L3939] static ushort idVendor ; [L3940] static ushort idProduct ; [L3941] static ushort bcdDevice ; [L3942] static char *iManufacturer ; [L3943] static char *iProduct ; [L3944] static char *iSerialNum ; [L3945] static char *iPNPstring ; [L3946] static unsigned int qlen = 10U; [L3947-L3949] static struct usb_device_descriptor device_desc = {18U, 1U, 512U, 0U, 0U, 0U, (unsigned char)0, 1317U, 42152U, (unsigned short)0, 1U, 2U, 3U, 1U}; [L3950] static struct usb_otg_descriptor otg_desc = {3U, 9U, 1U}; [L3951-L3952] static struct usb_config_descriptor config_desc = {9U, 2U, (unsigned short)0, 1U, 1U, 0U, 192U, 1U}; [L3953-L3954] static struct usb_interface_descriptor intf_desc = {9U, 4U, 0U, (unsigned char)0, 2U, 7U, 1U, 2U, 0U}; [L3955-L3956] static struct usb_endpoint_descriptor fs_ep_in_desc = {7U, 5U, 128U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3957-L3958] static struct usb_endpoint_descriptor fs_ep_out_desc = {7U, 5U, 0U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3959-L3960] static struct usb_descriptor_header const *fs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& fs_ep_in_desc), (struct usb_descriptor_header const *)(& fs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3961-L3962] static struct usb_endpoint_descriptor hs_ep_in_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3963-L3964] static struct usb_endpoint_descriptor hs_ep_out_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3965-L3966] static struct usb_qualifier_descriptor dev_qualifier = {10U, 6U, 512U, 7U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L3967-L3968] static struct usb_descriptor_header const *hs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& hs_ep_in_desc), (struct usb_descriptor_header const *)(& hs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3969] static char manufacturer[50U] ; [L3970-L3974] static char product_desc[40U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3975] static char serial_num[40U] = { '1', '\000'}; [L3976-L3987] static char pnp_string[1024U] = { 'X', 'X', 'M', 'F', 'G', ':', 'l', 'i', 'n', 'u', 'x', ';', 'M', 'D', 'L', ':', 'g', '_', 'p', 'r', 'i', 'n', 't', 'e', 'r', ';', 'C', 'L', 'S', ':', 'P', 'R', 'I', 'N', 'T', 'E', 'R', ';', 'S', 'N', ':', '1', ';', '\000'}; [L3988-L3990] static struct usb_string strings[4U] = { {1U, (char const *)(& manufacturer)}, {2U, (char const *)(& product_desc)}, {3U, (char const *)(& serial_num)}}; [L3991] static struct usb_gadget_strings stringtab = {1033U, (struct usb_string *)(& strings)}; [L4632-L4635] static struct file_operations const printer_io_operations = {& __this_module, 0, & printer_read, & printer_write, 0, 0, 0, & printer_poll, & printer_ioctl, 0, 0, & printer_open, 0, & printer_close, & printer_fsync, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L5410-L5413] static struct usb_gadget_driver printer_driver = {(char *)(& driver_desc), 3, & printer_bind, & printer_unbind, & printer_setup, & printer_disconnect, 0, 0, {(char const *)(& shortname), 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5465] int ldv_retval_0 ; [L5466] int ldv_retval_1 ; [L5469] int ldv_retval_3 ; [L5470] int ldv_retval_2 ; [L5894] int ldv_usb_gadget_class = 0; [L5895] int ldv_usb_gadget_chrdev = 0; [L5896] int ldv_usb_gadget = 0; [L5494] struct usb_ctrlrequest *ldvarg0 ; [L5495] void *tmp ; [L5496] char *ldvarg7 ; [L5497] void *tmp___0 ; [L5498] struct poll_table_struct *ldvarg3 ; [L5499] void *tmp___1 ; [L5500] loff_t *ldvarg5 ; [L5501] void *tmp___2 ; [L5502] size_t ldvarg6 ; [L5503] size_t tmp___3 ; [L5504] unsigned long ldvarg1 ; [L5505] unsigned long tmp___4 ; [L5506] loff_t *ldvarg8 ; [L5507] void *tmp___5 ; [L5508] int ldvarg4 ; [L5509] int tmp___6 ; [L5510] char *ldvarg10 ; [L5511] void *tmp___7 ; [L5512] size_t ldvarg9 ; [L5513] size_t tmp___8 ; [L5514] unsigned int ldvarg2 ; [L5515] unsigned int tmp___9 ; [L5516] int tmp___10 ; [L5517] int tmp___11 ; [L5518] int tmp___12 ; [L5519] int tmp___13 ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-2, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] tmp = ldv_zalloc(8UL) [L5522] ldvarg0 = (struct usb_ctrlrequest *)tmp VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-3, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] tmp___0 = ldv_zalloc(1UL) [L5524] ldvarg7 = (char *)tmp___0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] CALL, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=16, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=16, strings={120:0}, stringtab={121:0}, tmp___0=-4, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] RET, EXPR ldv_zalloc(16UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(16UL)={0:0}, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] tmp___1 = ldv_zalloc(16UL) [L5526] ldvarg3 = (struct poll_table_struct *)tmp___1 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-5, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] tmp___2 = ldv_zalloc(8UL) [L5528] ldvarg5 = (loff_t *)tmp___2 [L5529] tmp___3 = __VERIFIER_nondet_size_t() [L5530] ldvarg6 = tmp___3 [L5531] tmp___4 = __VERIFIER_nondet_ulong() [L5532] ldvarg1 = tmp___4 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-7, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] tmp___5 = ldv_zalloc(8UL) [L5534] ldvarg8 = (loff_t *)tmp___5 [L5535] tmp___6 = __VERIFIER_nondet_int() [L5536] ldvarg4 = tmp___6 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-9, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] tmp___7 = ldv_zalloc(1UL) [L5538] ldvarg10 = (char *)tmp___7 [L5539] tmp___8 = __VERIFIER_nondet_size_t() [L5540] ldvarg9 = tmp___8 [L5541] tmp___9 = __VERIFIER_nondet_uint() [L5542] ldvarg2 = tmp___9 [L5543] FCALL ldv_initialize() [L5544] ldv_state_variable_1 = 0 [L5545] ref_cnt = 0 [L5546] ldv_state_variable_0 = 1 [L5547] ldv_state_variable_2 = 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: [L5610] case 1: VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5611] COND TRUE ldv_state_variable_0 == 1 [L5612] CALL, EXPR init() [L5416] int status ; [L5417] void *tmp ; [L5418] long tmp___0 ; [L5419] long tmp___1 ; [L5421] CALL, EXPR ldv_create_class() [L5899] void *is_got ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [\old(size)=120, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3184] void *p ; [L3185] void *tmp ; [L3186] int tmp___0 ; [L3188] tmp___0 = __VERIFIER_nondet_int() [L3189] COND TRUE tmp___0 != 0 [L3190] return ((void *)0); VAL [\old(size)=120, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=120, strings={120:0}, stringtab={121:0}, tmp___0=1, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] is_got = ldv_malloc(sizeof(struct class)) [L5902] COND TRUE (unsigned long )is_got <= 2012UL VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5903] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5907] COND TRUE ldv_usb_gadget_class == 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5911] ldv_usb_gadget_class = 1 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5914] return (is_got); [L5421] RET, EXPR ldv_create_class() [L5421] tmp = ldv_create_class() [L5422] usb_gadget_class = (struct class *)tmp VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] CALL, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5736] long tmp ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5861] return ((unsigned long )ptr > 2012UL); [L5738] RET, EXPR ldv_is_err(ptr) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] tmp = ldv_is_err(ptr) [L5739] return (tmp); [L5423] RET, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, IS_ERR((void const *)usb_gadget_class)=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] tmp___1 = IS_ERR((void const *)usb_gadget_class) [L5424] COND FALSE !(tmp___1 != 0L) [L5432] CALL, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5762] ldv_func_ret_type ldv_func_res ; [L5763] int tmp ; [L5764] int tmp___0 ; [L5766] CALL, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L6074] return __VERIFIER_nondet_int(); [L5766] RET, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5766] tmp = alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5767] ldv_func_res = tmp [L5768] CALL, EXPR ldv_register_chrdev_region() [L5954] int is_reg ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 [L5855] return (ret); [L5956] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] is_reg = ldv_undef_int_nonpositive() [L5957] COND TRUE ! is_reg VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5958] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5962] COND TRUE ldv_usb_gadget_chrdev == 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5966] ldv_usb_gadget_chrdev = 1 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5969] return (is_reg); [L5768] RET, EXPR ldv_register_chrdev_region() [L5768] tmp___0 = ldv_register_chrdev_region() [L5769] return (tmp___0); [L5432] RET, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5432] status = ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5433] COND FALSE !(status != 0) [L5439] CALL, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5783] ldv_func_ret_type___0 ldv_func_res ; [L5784] int tmp ; [L5785] int tmp___0 ; [L5787] CALL, EXPR usb_gadget_register_driver(ldv_func_arg1) [L6157] return __VERIFIER_nondet_int(); [L5787] RET, EXPR usb_gadget_register_driver(ldv_func_arg1) [L5787] tmp = usb_gadget_register_driver(ldv_func_arg1) [L5788] ldv_func_res = tmp [L5789] CALL, EXPR ldv_register_usb_gadget() [L5989] int is_reg ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 [L5855] return (ret); [L5991] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] is_reg = ldv_undef_int_nonpositive() [L5992] COND TRUE ! is_reg VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5993] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5997] ldv_usb_gadget = 1 VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L6000] return (is_reg); [L5789] RET, EXPR ldv_register_usb_gadget() [L5789] tmp___0 = ldv_register_usb_gadget() [L5790] return (tmp___0); [L5439] RET, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5439] status = ldv_usb_gadget_register_driver_9(& printer_driver) [L5440] COND FALSE !(status != 0) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5446] return (status); VAL [\result=0, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5612] RET, EXPR init() [L5612] ldv_retval_2 = init() [L5613] COND FALSE !(ldv_retval_2 != 0) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5618] COND TRUE ldv_retval_2 == 0 [L5619] ldv_state_variable_0 = 2 [L5620] ldv_state_variable_1 = 1 [L5621] CALL ldv_initialize_usb_gadget_driver_1() [L5473] void *tmp ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] CALL, EXPR ldv_zalloc(1072UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1072, \result={0:0}, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1072, strings={120:0}, stringtab={121:0}, tmp___0=-11, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] RET, EXPR ldv_zalloc(1072UL) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldv_zalloc(1072UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] tmp = ldv_zalloc(1072UL) [L5476] printer_driver_group0 = (struct usb_gadget *)tmp [L5621] RET ldv_initialize_usb_gadget_driver_1() [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=4294967304, ldvarg10={0:0}, ldvarg2=57, ldvarg3={0:0}, ldvarg4=-8, ldvarg5={0:0}, ldvarg6=18446744073709551610, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=18446744073709551606, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=0, tmp___2={0:0}, tmp___3=18446744073709551610, tmp___4=4294967304, tmp___5={0:0}, tmp___6=-8, tmp___7={0:0}, tmp___8=18446744073709551606, tmp___9=57, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5603] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L5604] CALL cleanup() [L5451] int status ; VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5453] FCALL mutex_lock_nested(& usb_printer_gadget.lock_printer_io, 0U) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5454] CALL ldv_class_destroy_12(usb_gadget_class) [L5813] FCALL class_destroy(ldv_func_arg1) VAL [__this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5814] CALL ldv_unregister_class() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5940] COND FALSE !(ldv_usb_gadget == 0) VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5942] CALL ldv_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3238] reach_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={4294967399:4294967299}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 68 procedures, 994 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 120.0s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 92.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 20088 SdHoareTripleChecker+Valid, 78.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19316 mSDsluCounter, 159212 SdHoareTripleChecker+Invalid, 73.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128300 mSDsCounter, 1777 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20359 IncrementalHoareTripleChecker+Invalid, 22152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1777 mSolverCounterUnsat, 30912 mSDtfsCounter, 20359 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 290 GetRequests, 154 SyntacticMatches, 2 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24755occurred in iteration=5, InterpolantAutomatonStates: 143, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 19687 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 1537 NumberOfCodeBlocks, 1537 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1408 ConstructedInterpolants, 0 QuantifiedInterpolants, 2395 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2442 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 17 InterpolantComputations, 16 PerfectInterpolantSequences, 1154/1158 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 08:29:44,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 --- 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 08:29:46,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:29:46,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:29:46,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:29:46,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:29:46,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:29:46,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:29:46,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:29:46,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:29:46,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:29:46,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:29:46,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:29:46,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:29:46,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:29:46,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:29:46,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:29:46,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:29:46,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:29:46,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:29:46,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:29:46,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:29:46,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:29:46,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:29:46,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:29:46,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:29:46,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:29:46,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:29:46,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:29:46,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:29:46,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:29:46,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:29:46,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:29:46,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:29:46,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:29:46,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:29:46,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:29:46,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:29:46,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:29:46,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:29:46,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:29:46,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:29:46,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 08:29:46,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:29:46,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:29:46,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:29:46,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:29:46,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:29:46,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:29:46,254 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:29:46,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:29:46,254 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:29:46,254 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:29:46,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:29:46,255 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:29:46,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:29:46,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:29:46,257 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:29:46,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:29:46,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:29:46,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:29:46,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:29:46,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:29:46,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:29:46,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:29:46,258 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-12-14 08:29:46,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:29:46,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:29:46,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:29:46,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:29:46,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:29:46,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:29:49,172 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:29:49,555 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:29:49,556 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:29:49,581 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/0c4a97bb4/c23ce99f67414c86a83ce857277e4e73/FLAG5543ec2d6 [2022-12-14 08:29:49,595 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/data/0c4a97bb4/c23ce99f67414c86a83ce857277e4e73 [2022-12-14 08:29:49,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:29:49,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:29:49,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:29:49,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:29:49,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:29:49,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:29:49" (1/1) ... [2022-12-14 08:29:49,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56006ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:49, skipping insertion in model container [2022-12-14 08:29:49,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:29:49" (1/1) ... [2022-12-14 08:29:49,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:29:49,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:29:49,999 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:29:50,025 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:50,029 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:50,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:29:50,070 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:29:50,073 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:29:50,120 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:29:50,120 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:29:50,139 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,144 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-14 08:29:50,148 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-14 08:29:50,185 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-12-14 08:29:50,215 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:50,216 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:50,217 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:50,217 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:29:50,222 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:50,222 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:29:50,292 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:29:50,295 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:29:50,359 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-12-14 08:29:50,365 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:29:50,373 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 08:29:50,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:29:50,407 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,408 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,410 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,415 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,416 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,420 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,421 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,422 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,424 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,433 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,433 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,435 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,436 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,436 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,436 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,437 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,439 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,439 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,441 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,447 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,450 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,450 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,451 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,451 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,454 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,455 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,456 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,457 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,458 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,462 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,464 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,465 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,465 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,470 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,471 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,476 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,517 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,518 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,518 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,538 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,542 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:29:50,543 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:50,544 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:50,545 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,546 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,547 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,551 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:29:50,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,553 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 08:29:50,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,554 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 08:29:50,557 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:50,558 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,558 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,558 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,559 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,560 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:50,562 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:29:50,562 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:29:50,563 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,563 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,563 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,565 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,566 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,587 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:29:50,592 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 08:29:50,593 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-14 08:29:50,593 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-14 08:29:50,594 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,594 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-14 08:29:50,594 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,595 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:50,595 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,595 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:50,596 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-14 08:29:50,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:29:50,657 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 08:29:50,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:29:50,737 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:29:50,739 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:50,739 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:50,741 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:29:50,741 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:29:50,742 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:29:50,743 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:29:50,743 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:29:50,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,748 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-14 08:29:50,750 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-14 08:29:50,752 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-12-14 08:29:50,755 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:50,755 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:50,755 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:50,756 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:29:50,757 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:50,757 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:29:50,761 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:29:50,761 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:29:50,784 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:29:50,788 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 08:29:50,798 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:29:50,799 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,800 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,801 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,802 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,803 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,804 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,805 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,806 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,808 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,809 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,813 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,813 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,816 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,817 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,817 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,817 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,819 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,820 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,821 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,824 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,824 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,825 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,826 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,827 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,827 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,828 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,829 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,830 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,831 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,832 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,833 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,835 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:50,835 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:50,836 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:50,837 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,837 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,838 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,838 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,840 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,841 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,844 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,860 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,860 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,861 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,861 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:50,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,867 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,876 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:50,876 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,877 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:29:50,878 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:50,878 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:50,879 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,881 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,881 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,884 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:29:50,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,885 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 08:29:50,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,886 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 08:29:50,888 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:50,888 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,889 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,889 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,890 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:50,891 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:50,893 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:29:50,893 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:29:50,894 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,894 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,894 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:50,896 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,898 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:50,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,899 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,903 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:50,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:50,904 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:50,906 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:29:50,911 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 08:29:50,912 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-14 08:29:50,912 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-14 08:29:50,912 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,913 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-14 08:29:50,913 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,913 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:50,914 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:50,914 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:50,914 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-14 08:29:50,916 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,919 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,922 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:50,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:29:50,940 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:29:51,000 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 08:29:51,001 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:51,002 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 08:29:51,003 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 08:29:51,003 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 08:29:51,004 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:29:51,005 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 08:29:51,005 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-12-14 08:29:51,008 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:51,009 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-12-14 08:29:51,010 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-12-14 08:29:51,012 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_fbe86fa2-443e-4273-90eb-e8b3c199737e/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i[88044,88057] [2022-12-14 08:29:51,014 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:51,014 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:51,015 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:29:51,015 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 08:29:51,016 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 08:29:51,016 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:29:51,020 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-12-14 08:29:51,020 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-12-14 08:29:51,035 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 08:29:51,038 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-12-14 08:29:51,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:29:51,045 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,047 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,048 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,048 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,049 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:51,052 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,053 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,053 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,057 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:51,057 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,058 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,059 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:51,059 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:51,060 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:51,060 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,061 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,062 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,063 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,064 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,065 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:51,065 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,065 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,066 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:51,067 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:51,067 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:51,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,068 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,069 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,070 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,070 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,071 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,072 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 08:29:51,073 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 08:29:51,073 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 08:29:51,074 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:51,074 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,074 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,075 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,076 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,087 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,088 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,088 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 08:29:51,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,097 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:29:51,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,098 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 08:29:51,099 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:51,099 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 08:29:51,100 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:51,100 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:51,101 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:51,102 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 08:29:51,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,103 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-12-14 08:29:51,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,104 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 08:29:51,105 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:51,105 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:51,106 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:51,114 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:51,114 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 08:29:51,115 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 08:29:51,116 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 08:29:51,116 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:29:51,116 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:51,116 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:51,116 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:29:51,117 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:51,118 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 08:29:51,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,121 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 08:29:51,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:29:51,121 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:29:51,122 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:29:51,125 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-12-14 08:29:51,125 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-12-14 08:29:51,125 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-12-14 08:29:51,126 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-12-14 08:29:51,127 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:51,129 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:51,130 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:29:51,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:29:51,162 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:29:51,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51 WrapperNode [2022-12-14 08:29:51,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:29:51,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:29:51,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:29:51,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:29:51,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,340 INFO L138 Inliner]: procedures = 219, calls = 1278, calls flagged for inlining = 89, calls inlined = 89, statements flattened = 3387 [2022-12-14 08:29:51,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:29:51,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:29:51,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:29:51,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:29:51,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:29:51,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:29:51,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:29:51,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:29:51,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (1/1) ... [2022-12-14 08:29:51,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:29:51,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:29:51,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:29:51,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:29:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-12-14 08:29:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-12-14 08:29:51,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-12-14 08:29:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 08:29:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-12-14 08:29:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-12-14 08:29:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-12-14 08:29:51,565 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-12-14 08:29:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:29:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:29:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 08:29:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:29:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 08:29:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 08:29:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-12-14 08:29:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 08:29:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 08:29:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-12-14 08:29:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-12-14 08:29:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 08:29:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 08:29:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 08:29:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 08:29:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 08:29:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-12-14 08:29:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-12-14 08:29:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 08:29:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 08:29:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-12-14 08:29:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-12-14 08:29:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-12-14 08:29:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-12-14 08:29:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-12-14 08:29:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-12-14 08:29:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 08:29:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 08:29:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:29:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-12-14 08:29:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-12-14 08:29:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-12-14 08:29:51,597 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-12-14 08:29:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 08:29:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-14 08:29:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-12-14 08:29:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-12-14 08:29:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-12-14 08:29:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 08:29:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 08:29:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-12-14 08:29:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-12-14 08:29:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 08:29:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 08:29:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-12-14 08:29:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-12-14 08:29:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-14 08:29:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 08:29:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 08:29:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:29:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:29:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 08:29:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 08:29:52,025 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:29:52,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:29:52,099 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 08:30:21,881 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:30:21,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:30:21,891 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:30:21,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:21 BoogieIcfgContainer [2022-12-14 08:30:21,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:30:21,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:30:21,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:30:21,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:30:21,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:29:49" (1/3) ... [2022-12-14 08:30:21,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca0b235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:30:21, skipping insertion in model container [2022-12-14 08:30:21,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:29:51" (2/3) ... [2022-12-14 08:30:21,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca0b235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:30:21, skipping insertion in model container [2022-12-14 08:30:21,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:21" (3/3) ... [2022-12-14 08:30:21,899 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-12-14 08:30:21,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:30:21,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:30:21,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:30:21,965 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;@7d27b4d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:30:21,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:30:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 1245 states, 858 states have (on average 1.3822843822843822) internal successors, (1186), 901 states have internal predecessors, (1186), 320 states have call successors, (320), 66 states have call predecessors, (320), 65 states have return successors, (316), 313 states have call predecessors, (316), 316 states have call successors, (316) [2022-12-14 08:30:21,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 08:30:21,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:21,990 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:21,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:21,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash -584914783, now seen corresponding path program 1 times [2022-12-14 08:30:22,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:30:22,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069678912] [2022-12-14 08:30:22,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:22,012 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 08:30:22,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:30:22,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:22,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:23,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:30:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:30:24,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:30:24,192 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:30:24,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069678912] [2022-12-14 08:30:24,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069678912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:24,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:24,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:30:24,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410244309] [2022-12-14 08:30:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:24,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:30:24,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:30:24,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:30:24,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:30:24,223 INFO L87 Difference]: Start difference. First operand has 1245 states, 858 states have (on average 1.3822843822843822) internal successors, (1186), 901 states have internal predecessors, (1186), 320 states have call successors, (320), 66 states have call predecessors, (320), 65 states have return successors, (316), 313 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:30:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:24,525 INFO L93 Difference]: Finished difference Result 3537 states and 5263 transitions. [2022-12-14 08:30:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:30:24,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 56 [2022-12-14 08:30:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:24,553 INFO L225 Difference]: With dead ends: 3537 [2022-12-14 08:30:24,553 INFO L226 Difference]: Without dead ends: 2278 [2022-12-14 08:30:24,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 08:30:24,566 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 1652 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 3603 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:30:24,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 3603 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:30:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-12-14 08:30:24,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2274. [2022-12-14 08:30:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2274 states, 1556 states have (on average 1.3579691516709511) internal successors, (2113), 1617 states have internal predecessors, (2113), 596 states have call successors, (596), 123 states have call predecessors, (596), 121 states have return successors, (584), 575 states have call predecessors, (584), 584 states have call successors, (584) [2022-12-14 08:30:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3293 transitions. [2022-12-14 08:30:24,737 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3293 transitions. Word has length 56 [2022-12-14 08:30:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:24,737 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3293 transitions. [2022-12-14 08:30:24,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:30:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3293 transitions. [2022-12-14 08:30:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 08:30:24,740 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:24,740 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:24,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:24,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:24,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:24,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash -953431060, now seen corresponding path program 1 times [2022-12-14 08:30:24,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:30:24,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867145416] [2022-12-14 08:30:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:24,950 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 08:30:24,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:30:24,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:24,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:26,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:30:26,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:30:27,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:30:27,241 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:30:27,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867145416] [2022-12-14 08:30:27,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867145416] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:27,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:27,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:30:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743844541] [2022-12-14 08:30:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:27,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:30:27,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:30:27,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:30:27,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:30:27,244 INFO L87 Difference]: Start difference. First operand 2274 states and 3293 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:30:27,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:27,491 INFO L93 Difference]: Finished difference Result 6760 states and 9802 transitions. [2022-12-14 08:30:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:30:27,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 57 [2022-12-14 08:30:27,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:27,513 INFO L225 Difference]: With dead ends: 6760 [2022-12-14 08:30:27,513 INFO L226 Difference]: Without dead ends: 4501 [2022-12-14 08:30:27,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 08:30:27,521 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 1636 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:30:27,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 3666 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:30:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-12-14 08:30:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4493. [2022-12-14 08:30:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4493 states, 3083 states have (on average 1.3593902043464159) internal successors, (4191), 3196 states have internal predecessors, (4191), 1170 states have call successors, (1170), 243 states have call predecessors, (1170), 239 states have return successors, (1152), 1137 states have call predecessors, (1152), 1152 states have call successors, (1152) [2022-12-14 08:30:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 6513 transitions. [2022-12-14 08:30:27,738 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 6513 transitions. Word has length 57 [2022-12-14 08:30:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:27,738 INFO L495 AbstractCegarLoop]: Abstraction has 4493 states and 6513 transitions. [2022-12-14 08:30:27,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-12-14 08:30:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 6513 transitions. [2022-12-14 08:30:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 08:30:27,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:27,740 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:27,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:27,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:27,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:27,941 INFO L85 PathProgramCache]: Analyzing trace with hash -536749712, now seen corresponding path program 1 times [2022-12-14 08:30:27,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:30:27,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444822418] [2022-12-14 08:30:27,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:27,942 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 08:30:27,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:30:27,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:27,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:29,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:30:29,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:30:29,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:30:29,223 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:30:29,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444822418] [2022-12-14 08:30:29,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444822418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:29,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:29,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:30:29,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729279196] [2022-12-14 08:30:29,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:29,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:30:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:30:29,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:30:29,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:30:29,225 INFO L87 Difference]: Start difference. First operand 4493 states and 6513 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:30:31,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:30:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:32,347 INFO L93 Difference]: Finished difference Result 13209 states and 19171 transitions. [2022-12-14 08:30:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:30:32,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2022-12-14 08:30:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:32,393 INFO L225 Difference]: With dead ends: 13209 [2022-12-14 08:30:32,393 INFO L226 Difference]: Without dead ends: 8731 [2022-12-14 08:30:32,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 08:30:32,408 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1623 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:30:32,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3678 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 08:30:32,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-12-14 08:30:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8723. [2022-12-14 08:30:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8723 states, 5978 states have (on average 1.3611575777852125) internal successors, (8137), 6186 states have internal predecessors, (8137), 2270 states have call successors, (2270), 479 states have call predecessors, (2270), 474 states have return successors, (2252), 2225 states have call predecessors, (2252), 2252 states have call successors, (2252) [2022-12-14 08:30:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 12659 transitions. [2022-12-14 08:30:32,745 INFO L78 Accepts]: Start accepts. Automaton has 8723 states and 12659 transitions. Word has length 59 [2022-12-14 08:30:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:32,746 INFO L495 AbstractCegarLoop]: Abstraction has 8723 states and 12659 transitions. [2022-12-14 08:30:32,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 08:30:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 8723 states and 12659 transitions. [2022-12-14 08:30:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 08:30:32,748 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:32,748 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:32,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:32,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:32,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:32,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:32,949 INFO L85 PathProgramCache]: Analyzing trace with hash -101352454, now seen corresponding path program 1 times [2022-12-14 08:30:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:30:32,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924408145] [2022-12-14 08:30:32,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:32,950 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 08:30:32,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:30:32,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:32,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:34,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:30:34,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:30:34,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:30:34,865 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:30:34,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924408145] [2022-12-14 08:30:34,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924408145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:34,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:34,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:30:34,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237449105] [2022-12-14 08:30:34,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:34,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:30:34,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:30:34,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:30:34,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:30:34,866 INFO L87 Difference]: Start difference. First operand 8723 states and 12659 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:30:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:30:35,495 INFO L93 Difference]: Finished difference Result 18580 states and 27162 transitions. [2022-12-14 08:30:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:30:35,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-12-14 08:30:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:30:35,582 INFO L225 Difference]: With dead ends: 18580 [2022-12-14 08:30:35,582 INFO L226 Difference]: Without dead ends: 9872 [2022-12-14 08:30:35,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:30:35,612 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 233 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:30:35,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 7440 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:30:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2022-12-14 08:30:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 8739. [2022-12-14 08:30:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8739 states, 5990 states have (on average 1.3604340567612687) internal successors, (8149), 6198 states have internal predecessors, (8149), 2270 states have call successors, (2270), 479 states have call predecessors, (2270), 478 states have return successors, (2264), 2229 states have call predecessors, (2264), 2252 states have call successors, (2264) [2022-12-14 08:30:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8739 states to 8739 states and 12683 transitions. [2022-12-14 08:30:35,958 INFO L78 Accepts]: Start accepts. Automaton has 8739 states and 12683 transitions. Word has length 75 [2022-12-14 08:30:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:30:35,958 INFO L495 AbstractCegarLoop]: Abstraction has 8739 states and 12683 transitions. [2022-12-14 08:30:35,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 08:30:35,959 INFO L276 IsEmpty]: Start isEmpty. Operand 8739 states and 12683 transitions. [2022-12-14 08:30:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 08:30:35,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:30:35,960 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:30:35,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:36,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:36,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:30:36,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:30:36,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1238798066, now seen corresponding path program 1 times [2022-12-14 08:30:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:30:36,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747635587] [2022-12-14 08:30:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:30:36,163 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 08:30:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:30:36,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:36,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:30:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:30:37,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 08:30:37,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:30:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:30:43,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:30:43,347 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:30:43,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747635587] [2022-12-14 08:30:43,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747635587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:30:43,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:30:43,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 08:30:43,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682459914] [2022-12-14 08:30:43,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:30:43,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 08:30:43,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:30:43,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 08:30:43,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:30:43,349 INFO L87 Difference]: Start difference. First operand 8739 states and 12683 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 08:30:45,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:30:48,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:30:51,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:30:53,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:32:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:32:43,151 INFO L93 Difference]: Finished difference Result 25578 states and 37419 transitions. [2022-12-14 08:32:43,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 08:32:43,154 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-12-14 08:32:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:32:43,226 INFO L225 Difference]: With dead ends: 25578 [2022-12-14 08:32:43,227 INFO L226 Difference]: Without dead ends: 16854 [2022-12-14 08:32:43,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-12-14 08:32:43,245 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 2662 mSDsluCounter, 20485 mSDsCounter, 0 mSdLazyCounter, 3200 mSolverCounterSat, 248 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 22634 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 3200 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:32:43,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 22634 Invalid, 3452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [248 Valid, 3200 Invalid, 4 Unknown, 0 Unchecked, 111.8s Time] [2022-12-14 08:32:43,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16854 states. [2022-12-14 08:32:43,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16854 to 15152. [2022-12-14 08:32:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15152 states, 10382 states have (on average 1.361972644962435) internal successors, (14140), 10743 states have internal predecessors, (14140), 3940 states have call successors, (3940), 828 states have call predecessors, (3940), 829 states have return successors, (3943), 3874 states have call predecessors, (3943), 3922 states have call successors, (3943) [2022-12-14 08:32:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15152 states to 15152 states and 22023 transitions. [2022-12-14 08:32:43,921 INFO L78 Accepts]: Start accepts. Automaton has 15152 states and 22023 transitions. Word has length 77 [2022-12-14 08:32:43,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:32:43,922 INFO L495 AbstractCegarLoop]: Abstraction has 15152 states and 22023 transitions. [2022-12-14 08:32:43,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 10 states have internal predecessors, (43), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 08:32:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 15152 states and 22023 transitions. [2022-12-14 08:32:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 08:32:43,924 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:32:43,924 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:43,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:44,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:44,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:32:44,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:32:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1305739619, now seen corresponding path program 1 times [2022-12-14 08:32:44,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:32:44,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977148263] [2022-12-14 08:32:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:44,129 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 08:32:44,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:32:44,131 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:44,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:45,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:32:45,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:32:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:32:50,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:32:50,605 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:32:50,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977148263] [2022-12-14 08:32:50,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977148263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:32:50,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:32:50,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:32:50,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767129558] [2022-12-14 08:32:50,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:32:50,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:32:50,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:32:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:32:50,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:32:50,607 INFO L87 Difference]: Start difference. First operand 15152 states and 22023 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 08:32:51,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:32:51,826 INFO L93 Difference]: Finished difference Result 45403 states and 66007 transitions. [2022-12-14 08:32:51,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:32:51,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 83 [2022-12-14 08:32:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:32:51,913 INFO L225 Difference]: With dead ends: 45403 [2022-12-14 08:32:51,913 INFO L226 Difference]: Without dead ends: 30263 [2022-12-14 08:32:51,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:32:51,943 INFO L413 NwaCegarLoop]: 2116 mSDtfsCounter, 1610 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:32:51,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 3760 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:32:51,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30263 states. [2022-12-14 08:32:53,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30263 to 30214. [2022-12-14 08:32:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30214 states, 20715 states have (on average 1.3622978517982138) internal successors, (28220), 21426 states have internal predecessors, (28220), 7848 states have call successors, (7848), 1646 states have call predecessors, (7848), 1650 states have return successors, (7870), 7729 states have call predecessors, (7870), 7828 states have call successors, (7870) [2022-12-14 08:32:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30214 states to 30214 states and 43938 transitions. [2022-12-14 08:32:53,217 INFO L78 Accepts]: Start accepts. Automaton has 30214 states and 43938 transitions. Word has length 83 [2022-12-14 08:32:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:32:53,217 INFO L495 AbstractCegarLoop]: Abstraction has 30214 states and 43938 transitions. [2022-12-14 08:32:53,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-14 08:32:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30214 states and 43938 transitions. [2022-12-14 08:32:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 08:32:53,219 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:32:53,219 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:32:53,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:53,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:53,420 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:32:53,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:32:53,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1597031166, now seen corresponding path program 1 times [2022-12-14 08:32:53,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:32:53,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826424868] [2022-12-14 08:32:53,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:32:53,422 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 08:32:53,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:32:53,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:32:53,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (8)] Waiting until timeout for monitored process [2022-12-14 08:32:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:32:54,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 08:32:54,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:32:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:32:56,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:32:56,827 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:32:56,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826424868] [2022-12-14 08:32:56,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826424868] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:32:56,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:32:56,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:32:56,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125801377] [2022-12-14 08:32:56,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:32:56,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:32:56,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:32:56,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:32:56,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:32:56,829 INFO L87 Difference]: Start difference. First operand 30214 states and 43938 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:32:58,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:33:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:33:00,685 INFO L93 Difference]: Finished difference Result 60420 states and 87861 transitions. [2022-12-14 08:33:00,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:33:00,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-12-14 08:33:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:33:00,789 INFO L225 Difference]: With dead ends: 60420 [2022-12-14 08:33:00,789 INFO L226 Difference]: Without dead ends: 30221 [2022-12-14 08:33:00,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:33:00,843 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 1590 mSDsluCounter, 1672 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1590 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:33:00,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1590 Valid, 4897 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 08:33:00,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30221 states. [2022-12-14 08:33:02,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30221 to 30195. [2022-12-14 08:33:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30195 states, 20696 states have (on average 1.361857363741786) internal successors, (28185), 21409 states have internal predecessors, (28185), 7848 states have call successors, (7848), 1646 states have call predecessors, (7848), 1650 states have return successors, (7870), 7727 states have call predecessors, (7870), 7828 states have call successors, (7870) [2022-12-14 08:33:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30195 states to 30195 states and 43903 transitions. [2022-12-14 08:33:02,260 INFO L78 Accepts]: Start accepts. Automaton has 30195 states and 43903 transitions. Word has length 92 [2022-12-14 08:33:02,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:33:02,260 INFO L495 AbstractCegarLoop]: Abstraction has 30195 states and 43903 transitions. [2022-12-14 08:33:02,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:33:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 30195 states and 43903 transitions. [2022-12-14 08:33:02,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 08:33:02,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:33:02,263 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:33:02,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (8)] Ended with exit code 0 [2022-12-14 08:33:02,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:33:02,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:33:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:33:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1938339632, now seen corresponding path program 1 times [2022-12-14 08:33:02,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:33:02,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290271414] [2022-12-14 08:33:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:33:02,465 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 08:33:02,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:33:02,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:33:02,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (9)] Waiting until timeout for monitored process [2022-12-14 08:33:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:33:03,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 08:33:03,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:33:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 08:33:28,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:33:28,413 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:33:28,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290271414] [2022-12-14 08:33:28,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290271414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:33:28,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:33:28,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-12-14 08:33:28,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863185794] [2022-12-14 08:33:28,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:33:28,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 08:33:28,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:33:28,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 08:33:28,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-12-14 08:33:28,416 INFO L87 Difference]: Start difference. First operand 30195 states and 43903 transitions. Second operand has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 16 states have internal predecessors, (55), 7 states have call successors, (14), 3 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 6 states have call successors, (13) [2022-12-14 08:33:30,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:34:51,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:51,461 INFO L93 Difference]: Finished difference Result 56108 states and 81635 transitions. [2022-12-14 08:34:51,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 08:34:51,463 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 16 states have internal predecessors, (55), 7 states have call successors, (14), 3 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 6 states have call successors, (13) Word has length 97 [2022-12-14 08:34:51,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:51,540 INFO L225 Difference]: With dead ends: 56108 [2022-12-14 08:34:51,540 INFO L226 Difference]: Without dead ends: 25928 [2022-12-14 08:34:51,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 32.7s TimeCoverageRelationStatistics Valid=135, Invalid=1125, Unknown=0, NotChecked=0, Total=1260 [2022-12-14 08:34:51,589 INFO L413 NwaCegarLoop]: 1824 mSDtfsCounter, 2384 mSDsluCounter, 24251 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 246 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 26075 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:51,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 26075 Invalid, 2061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [246 Valid, 1814 Invalid, 1 Unknown, 0 Unchecked, 66.8s Time] [2022-12-14 08:34:51,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25928 states. [2022-12-14 08:34:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25928 to 17269. [2022-12-14 08:34:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17269 states, 11827 states have (on average 1.36078464530312) internal successors, (16094), 12229 states have internal predecessors, (16094), 4496 states have call successors, (4496), 952 states have call predecessors, (4496), 945 states have return successors, (4490), 4423 states have call predecessors, (4490), 4484 states have call successors, (4490) [2022-12-14 08:34:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 25080 transitions. [2022-12-14 08:34:52,627 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 25080 transitions. Word has length 97 [2022-12-14 08:34:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:34:52,627 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 25080 transitions. [2022-12-14 08:34:52,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 16 states have internal predecessors, (55), 7 states have call successors, (14), 3 states have call predecessors, (14), 7 states have return successors, (13), 8 states have call predecessors, (13), 6 states have call successors, (13) [2022-12-14 08:34:52,627 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 25080 transitions. [2022-12-14 08:34:52,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 08:34:52,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:34:52,630 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:34:52,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (9)] Forceful destruction successful, exit code 0 [2022-12-14 08:34:52,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:34:52,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:34:52,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:34:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash -982414442, now seen corresponding path program 1 times [2022-12-14 08:34:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:34:52,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324448625] [2022-12-14 08:34:52,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:34:52,837 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 08:34:52,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:34:52,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:34:52,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (10)] Waiting until timeout for monitored process [2022-12-14 08:34:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:34:54,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:34:54,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:34:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:34:55,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:34:55,520 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:34:55,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324448625] [2022-12-14 08:34:55,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324448625] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:34:55,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:34:55,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:34:55,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207520004] [2022-12-14 08:34:55,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:34:55,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:34:55,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:34:55,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:34:55,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:34:55,523 INFO L87 Difference]: Start difference. First operand 17269 states and 25080 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:34:59,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:34:59,276 INFO L93 Difference]: Finished difference Result 33102 states and 48187 transitions. [2022-12-14 08:34:59,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:34:59,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 104 [2022-12-14 08:34:59,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:34:59,319 INFO L225 Difference]: With dead ends: 33102 [2022-12-14 08:34:59,319 INFO L226 Difference]: Without dead ends: 15848 [2022-12-14 08:34:59,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:34:59,347 INFO L413 NwaCegarLoop]: 2126 mSDtfsCounter, 1363 mSDsluCounter, 7788 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1422 SdHoareTripleChecker+Valid, 9914 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:34:59,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1422 Valid, 9914 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 08:34:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15848 states. [2022-12-14 08:35:00,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15848 to 13004. [2022-12-14 08:35:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13004 states, 8907 states have (on average 1.3596048052093859) internal successors, (12110), 9207 states have internal predecessors, (12110), 3380 states have call successors, (3380), 724 states have call predecessors, (3380), 716 states have return successors, (3373), 3324 states have call predecessors, (3373), 3370 states have call successors, (3373) [2022-12-14 08:35:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13004 states to 13004 states and 18863 transitions. [2022-12-14 08:35:00,154 INFO L78 Accepts]: Start accepts. Automaton has 13004 states and 18863 transitions. Word has length 104 [2022-12-14 08:35:00,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:00,154 INFO L495 AbstractCegarLoop]: Abstraction has 13004 states and 18863 transitions. [2022-12-14 08:35:00,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:35:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 13004 states and 18863 transitions. [2022-12-14 08:35:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 08:35:00,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:00,157 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:00,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (10)] Ended with exit code 0 [2022-12-14 08:35:00,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:00,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:00,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1555550050, now seen corresponding path program 1 times [2022-12-14 08:35:00,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:00,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894446802] [2022-12-14 08:35:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:00,365 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 08:35:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:00,368 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:00,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (11)] Waiting until timeout for monitored process [2022-12-14 08:35:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:01,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:35:01,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:35:02,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:02,892 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:02,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894446802] [2022-12-14 08:35:02,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894446802] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:02,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:02,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:35:02,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493896344] [2022-12-14 08:35:02,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:02,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:35:02,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:02,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:35:02,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:35:02,894 INFO L87 Difference]: Start difference. First operand 13004 states and 18863 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:35:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:06,046 INFO L93 Difference]: Finished difference Result 14836 states and 21617 transitions. [2022-12-14 08:35:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:35:06,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2022-12-14 08:35:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:06,064 INFO L225 Difference]: With dead ends: 14836 [2022-12-14 08:35:06,064 INFO L226 Difference]: Without dead ends: 8383 [2022-12-14 08:35:06,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:35:06,074 INFO L413 NwaCegarLoop]: 2003 mSDtfsCounter, 911 mSDsluCounter, 7456 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 9459 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:06,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 9459 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 08:35:06,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8383 states. [2022-12-14 08:35:06,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8383 to 7663. [2022-12-14 08:35:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7663 states, 5253 states have (on average 1.3554159527888825) internal successors, (7120), 5428 states have internal predecessors, (7120), 1981 states have call successors, (1981), 432 states have call predecessors, (1981), 428 states have return successors, (1976), 1949 states have call predecessors, (1976), 1973 states have call successors, (1976) [2022-12-14 08:35:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 11077 transitions. [2022-12-14 08:35:06,551 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 11077 transitions. Word has length 104 [2022-12-14 08:35:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:06,551 INFO L495 AbstractCegarLoop]: Abstraction has 7663 states and 11077 transitions. [2022-12-14 08:35:06,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 08:35:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 11077 transitions. [2022-12-14 08:35:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 08:35:06,554 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:06,554 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:06,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (11)] Ended with exit code 0 [2022-12-14 08:35:06,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:06,756 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:06,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:06,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1339836353, now seen corresponding path program 1 times [2022-12-14 08:35:06,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:06,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798985675] [2022-12-14 08:35:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:06,761 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 08:35:06,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:06,764 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:06,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (12)] Waiting until timeout for monitored process [2022-12-14 08:35:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:08,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:35:08,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 08:35:09,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:09,326 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:09,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798985675] [2022-12-14 08:35:09,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798985675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:09,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:09,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:35:09,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196156947] [2022-12-14 08:35:09,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:09,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:35:09,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:09,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:35:09,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:35:09,329 INFO L87 Difference]: Start difference. First operand 7663 states and 11077 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:35:12,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:12,498 INFO L93 Difference]: Finished difference Result 8456 states and 12330 transitions. [2022-12-14 08:35:12,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:35:12,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2022-12-14 08:35:12,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:12,511 INFO L225 Difference]: With dead ends: 8456 [2022-12-14 08:35:12,511 INFO L226 Difference]: Without dead ends: 6308 [2022-12-14 08:35:12,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:35:12,516 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 864 mSDsluCounter, 7569 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 9718 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:12,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 9718 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 08:35:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2022-12-14 08:35:12,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 5542. [2022-12-14 08:35:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5542 states, 3802 states have (on average 1.3513940031562335) internal successors, (5138), 3929 states have internal predecessors, (5138), 1426 states have call successors, (1426), 316 states have call predecessors, (1426), 313 states have return successors, (1421), 1401 states have call predecessors, (1421), 1418 states have call successors, (1421) [2022-12-14 08:35:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 7985 transitions. [2022-12-14 08:35:12,876 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 7985 transitions. Word has length 107 [2022-12-14 08:35:12,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:12,876 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 7985 transitions. [2022-12-14 08:35:12,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:35:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 7985 transitions. [2022-12-14 08:35:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 08:35:12,879 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:12,879 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:12,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (12)] Ended with exit code 0 [2022-12-14 08:35:13,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:13,080 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:13,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:13,080 INFO L85 PathProgramCache]: Analyzing trace with hash 133770014, now seen corresponding path program 1 times [2022-12-14 08:35:13,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:13,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [78498354] [2022-12-14 08:35:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:13,081 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 08:35:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:13,082 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:13,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (13)] Waiting until timeout for monitored process [2022-12-14 08:35:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:14,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 08:35:14,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 08:35:15,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:15,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:15,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [78498354] [2022-12-14 08:35:15,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [78498354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:15,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:15,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 08:35:15,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009611283] [2022-12-14 08:35:15,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:15,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 08:35:15,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:15,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 08:35:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:35:15,702 INFO L87 Difference]: Start difference. First operand 5542 states and 7985 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:35:18,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:18,536 INFO L93 Difference]: Finished difference Result 11057 states and 15933 transitions. [2022-12-14 08:35:18,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:35:18,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2022-12-14 08:35:18,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:18,549 INFO L225 Difference]: With dead ends: 11057 [2022-12-14 08:35:18,549 INFO L226 Difference]: Without dead ends: 5530 [2022-12-14 08:35:18,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:35:18,558 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 792 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 8768 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:18,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 8768 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 08:35:18,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2022-12-14 08:35:18,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5524. [2022-12-14 08:35:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5524 states, 3790 states have (on average 1.3514511873350923) internal successors, (5122), 3917 states have internal predecessors, (5122), 1422 states have call successors, (1422), 312 states have call predecessors, (1422), 311 states have return successors, (1417), 1399 states have call predecessors, (1417), 1414 states have call successors, (1417) [2022-12-14 08:35:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5524 states to 5524 states and 7961 transitions. [2022-12-14 08:35:18,915 INFO L78 Accepts]: Start accepts. Automaton has 5524 states and 7961 transitions. Word has length 110 [2022-12-14 08:35:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:18,915 INFO L495 AbstractCegarLoop]: Abstraction has 5524 states and 7961 transitions. [2022-12-14 08:35:18,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 08:35:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5524 states and 7961 transitions. [2022-12-14 08:35:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 08:35:18,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:18,919 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:18,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (13)] Forceful destruction successful, exit code 0 [2022-12-14 08:35:19,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:19,121 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:19,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:19,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1120915236, now seen corresponding path program 1 times [2022-12-14 08:35:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:19,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087304139] [2022-12-14 08:35:19,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:19,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 08:35:19,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:19,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:19,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (14)] Waiting until timeout for monitored process [2022-12-14 08:35:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:20,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 08:35:20,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 08:35:22,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:22,805 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:22,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087304139] [2022-12-14 08:35:22,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087304139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:22,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:22,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:35:22,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303190832] [2022-12-14 08:35:22,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:22,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:35:22,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:22,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:35:22,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:35:22,808 INFO L87 Difference]: Start difference. First operand 5524 states and 7961 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:35:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:30,111 INFO L93 Difference]: Finished difference Result 9999 states and 14388 transitions. [2022-12-14 08:35:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:35:30,112 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 109 [2022-12-14 08:35:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:30,125 INFO L225 Difference]: With dead ends: 9999 [2022-12-14 08:35:30,125 INFO L226 Difference]: Without dead ends: 4490 [2022-12-14 08:35:30,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-12-14 08:35:30,136 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 2676 mSDsluCounter, 8502 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2676 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:30,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 10387 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 08:35:30,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-12-14 08:35:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4490. [2022-12-14 08:35:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4490 states, 3081 states have (on average 1.3463161311262577) internal successors, (4148), 3183 states have internal predecessors, (4148), 1150 states have call successors, (1150), 259 states have call predecessors, (1150), 258 states have return successors, (1146), 1131 states have call predecessors, (1146), 1143 states have call successors, (1146) [2022-12-14 08:35:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6444 transitions. [2022-12-14 08:35:30,450 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6444 transitions. Word has length 109 [2022-12-14 08:35:30,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:30,450 INFO L495 AbstractCegarLoop]: Abstraction has 4490 states and 6444 transitions. [2022-12-14 08:35:30,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 08:35:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6444 transitions. [2022-12-14 08:35:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 08:35:30,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:30,453 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:30,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (14)] Ended with exit code 0 [2022-12-14 08:35:30,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:30,654 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:30,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:30,656 INFO L85 PathProgramCache]: Analyzing trace with hash 176706842, now seen corresponding path program 1 times [2022-12-14 08:35:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:30,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534447475] [2022-12-14 08:35:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:30,660 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 08:35:30,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:30,663 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:30,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (15)] Waiting until timeout for monitored process [2022-12-14 08:35:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:32,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 08:35:32,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:35:34,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:34,546 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:34,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534447475] [2022-12-14 08:35:34,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534447475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:34,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:34,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:35:34,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351523371] [2022-12-14 08:35:34,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:34,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:35:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:34,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:35:34,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:35:34,547 INFO L87 Difference]: Start difference. First operand 4490 states and 6444 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:35:36,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:35:37,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:37,765 INFO L93 Difference]: Finished difference Result 4494 states and 6446 transitions. [2022-12-14 08:35:37,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:35:37,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120 [2022-12-14 08:35:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:37,776 INFO L225 Difference]: With dead ends: 4494 [2022-12-14 08:35:37,777 INFO L226 Difference]: Without dead ends: 4491 [2022-12-14 08:35:37,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:35:37,778 INFO L413 NwaCegarLoop]: 3113 mSDtfsCounter, 1570 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 4732 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:37,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 4732 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-12-14 08:35:37,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-12-14 08:35:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4489. [2022-12-14 08:35:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 3081 states have (on average 1.3453424212917884) internal successors, (4145), 3182 states have internal predecessors, (4145), 1149 states have call successors, (1149), 259 states have call predecessors, (1149), 258 states have return successors, (1146), 1131 states have call predecessors, (1146), 1143 states have call successors, (1146) [2022-12-14 08:35:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6440 transitions. [2022-12-14 08:35:38,091 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6440 transitions. Word has length 120 [2022-12-14 08:35:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:38,091 INFO L495 AbstractCegarLoop]: Abstraction has 4489 states and 6440 transitions. [2022-12-14 08:35:38,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 08:35:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6440 transitions. [2022-12-14 08:35:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 08:35:38,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:38,094 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:38,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (15)] Ended with exit code 0 [2022-12-14 08:35:38,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:38,296 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:38,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:38,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2100800155, now seen corresponding path program 1 times [2022-12-14 08:35:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:38,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908257549] [2022-12-14 08:35:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:38,301 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 08:35:38,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:38,304 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:38,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (16)] Waiting until timeout for monitored process [2022-12-14 08:35:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:40,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 08:35:40,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 08:35:43,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:43,051 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:43,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908257549] [2022-12-14 08:35:43,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908257549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:43,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:43,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:35:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649055116] [2022-12-14 08:35:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:43,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:35:43,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:35:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:35:43,053 INFO L87 Difference]: Start difference. First operand 4489 states and 6440 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 08:35:45,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:35:51,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:51,305 INFO L93 Difference]: Finished difference Result 5836 states and 8282 transitions. [2022-12-14 08:35:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:35:51,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2022-12-14 08:35:51,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:51,311 INFO L225 Difference]: With dead ends: 5836 [2022-12-14 08:35:51,311 INFO L226 Difference]: Without dead ends: 2301 [2022-12-14 08:35:51,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-12-14 08:35:51,316 INFO L413 NwaCegarLoop]: 1652 mSDtfsCounter, 23 mSDsluCounter, 9888 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 11540 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:51,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 11540 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 08:35:51,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-12-14 08:35:51,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2254. [2022-12-14 08:35:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1543 states have (on average 1.3441348023331172) internal successors, (2074), 1594 states have internal predecessors, (2074), 580 states have call successors, (580), 131 states have call predecessors, (580), 130 states have return successors, (576), 570 states have call predecessors, (576), 576 states have call successors, (576) [2022-12-14 08:35:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3230 transitions. [2022-12-14 08:35:51,489 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3230 transitions. Word has length 124 [2022-12-14 08:35:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:51,490 INFO L495 AbstractCegarLoop]: Abstraction has 2254 states and 3230 transitions. [2022-12-14 08:35:51,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-14 08:35:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3230 transitions. [2022-12-14 08:35:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 08:35:51,494 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:51,494 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:51,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (16)] Ended with exit code 0 [2022-12-14 08:35:51,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:51,696 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:51,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:51,697 INFO L85 PathProgramCache]: Analyzing trace with hash 798409525, now seen corresponding path program 1 times [2022-12-14 08:35:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:51,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634318392] [2022-12-14 08:35:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:51,702 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 08:35:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:51,705 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:51,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (17)] Waiting until timeout for monitored process [2022-12-14 08:35:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:35:52,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 08:35:52,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:35:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 08:35:54,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:35:54,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:35:54,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634318392] [2022-12-14 08:35:54,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634318392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:35:54,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:35:54,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:35:54,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940593549] [2022-12-14 08:35:54,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:35:54,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:35:54,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:35:54,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:35:54,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:35:54,164 INFO L87 Difference]: Start difference. First operand 2254 states and 3230 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 08:35:56,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:35:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:35:57,470 INFO L93 Difference]: Finished difference Result 3335 states and 4795 transitions. [2022-12-14 08:35:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:35:57,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 130 [2022-12-14 08:35:57,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:35:57,476 INFO L225 Difference]: With dead ends: 3335 [2022-12-14 08:35:57,477 INFO L226 Difference]: Without dead ends: 2227 [2022-12-14 08:35:57,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:35:57,479 INFO L413 NwaCegarLoop]: 3065 mSDtfsCounter, 1554 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 4656 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:35:57,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 4656 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 08:35:57,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-12-14 08:35:57,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2227. [2022-12-14 08:35:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2227 states, 1527 states have (on average 1.3451211525867715) internal successors, (2054), 1576 states have internal predecessors, (2054), 573 states have call successors, (573), 127 states have call predecessors, (573), 126 states have return successors, (571), 565 states have call predecessors, (571), 571 states have call successors, (571) [2022-12-14 08:35:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 3198 transitions. [2022-12-14 08:35:57,654 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 3198 transitions. Word has length 130 [2022-12-14 08:35:57,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:35:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 2227 states and 3198 transitions. [2022-12-14 08:35:57,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-14 08:35:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 3198 transitions. [2022-12-14 08:35:57,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-14 08:35:57,657 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:35:57,657 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:35:57,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (17)] Forceful destruction successful, exit code 0 [2022-12-14 08:35:57,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:57,859 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:35:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:35:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash -281323658, now seen corresponding path program 1 times [2022-12-14 08:35:57,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:35:57,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896933347] [2022-12-14 08:35:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:35:57,864 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 08:35:57,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:35:57,867 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:35:57,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (18)] Waiting until timeout for monitored process [2022-12-14 08:35:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:35:59,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:36:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:36:01,341 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:36:01,341 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:36:01,342 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:36:01,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 (18)] Forceful destruction successful, exit code 0 [2022-12-14 08:36:01,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/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 08:36:01,553 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:36:01,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:36:01,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:36:01 BoogieIcfgContainer [2022-12-14 08:36:01,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:36:01,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:36:01,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:36:01,729 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:36:01,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:21" (3/4) ... [2022-12-14 08:36:01,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:36:01,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:36:01,732 INFO L158 Benchmark]: Toolchain (without parser) took 372133.00ms. Allocated memory was 107.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 78.2MB in the beginning and 270.1MB in the end (delta: -191.8MB). Peak memory consumption was 925.7MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,732 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:01,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.82ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 61.6MB in the end (delta: 16.4MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.76ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 70.2MB in the end (delta: -8.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,732 INFO L158 Benchmark]: Boogie Preprocessor took 164.75ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 46.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,732 INFO L158 Benchmark]: RCFGBuilder took 30387.73ms. Allocated memory was 130.0MB in the beginning and 545.3MB in the end (delta: 415.2MB). Free memory was 46.8MB in the beginning and 274.7MB in the end (delta: -227.9MB). Peak memory consumption was 319.8MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,733 INFO L158 Benchmark]: TraceAbstraction took 339833.01ms. Allocated memory was 545.3MB in the beginning and 1.2GB in the end (delta: 677.4MB). Free memory was 274.7MB in the beginning and 270.1MB in the end (delta: 4.6MB). Peak memory consumption was 683.1MB. Max. memory is 16.1GB. [2022-12-14 08:36:01,733 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 1.2GB. Free memory is still 270.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:36:01,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.82ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 61.6MB in the end (delta: 16.4MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.76ms. Allocated memory is still 130.0MB. Free memory was 61.6MB in the beginning and 70.2MB in the end (delta: -8.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.75ms. Allocated memory is still 130.0MB. Free memory was 70.2MB in the beginning and 46.8MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 30387.73ms. Allocated memory was 130.0MB in the beginning and 545.3MB in the end (delta: 415.2MB). Free memory was 46.8MB in the beginning and 274.7MB in the end (delta: -227.9MB). Peak memory consumption was 319.8MB. Max. memory is 16.1GB. * TraceAbstraction took 339833.01ms. Allocated memory was 545.3MB in the beginning and 1.2GB in the end (delta: 677.4MB). Free memory was 274.7MB in the beginning and 270.1MB in the end (delta: 4.6MB). Peak memory consumption was 683.1MB. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 1.2GB. Free memory is still 270.1MB. 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: 3238]: 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 5432. Possible FailurePath: [L3261] int LDV_IN_INTERRUPT = 1; [L3262] int ldv_state_variable_2 ; [L3263] int ref_cnt ; [L3264] int ldv_state_variable_1 ; [L3265] struct file *printer_io_operations_group2 ; [L3266] struct inode *printer_io_operations_group1 ; [L3267] int ldv_state_variable_0 ; [L3268] struct usb_gadget *printer_driver_group0 ; [L3752] static unsigned int epnum ; [L3924-L3927] static struct mutex printer_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)-1, {0, 0, "printer_mutex.wait_lock", 0, 0UL}}}}, {& printer_mutex.wait_list, & printer_mutex.wait_list}, 0, 0, (void *)(& printer_mutex), {0, 0, "printer_mutex", 0, 0UL}}; [L3928-L3930] static char const shortname[8U] = { 'p', 'r', 'i', 'n', 't', 'e', 'r', '\000'}; [L3931-L3935] static char const driver_desc[15U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3936] static dev_t g_printer_devno ; [L3937] static struct class *usb_gadget_class ; [L3938] static struct printer_dev usb_printer_gadget ; [L3939] static ushort idVendor ; [L3940] static ushort idProduct ; [L3941] static ushort bcdDevice ; [L3942] static char *iManufacturer ; [L3943] static char *iProduct ; [L3944] static char *iSerialNum ; [L3945] static char *iPNPstring ; [L3946] static unsigned int qlen = 10U; [L3947-L3949] static struct usb_device_descriptor device_desc = {18U, 1U, 512U, 0U, 0U, 0U, (unsigned char)0, 1317U, 42152U, (unsigned short)0, 1U, 2U, 3U, 1U}; [L3950] static struct usb_otg_descriptor otg_desc = {3U, 9U, 1U}; [L3951-L3952] static struct usb_config_descriptor config_desc = {9U, 2U, (unsigned short)0, 1U, 1U, 0U, 192U, 1U}; [L3953-L3954] static struct usb_interface_descriptor intf_desc = {9U, 4U, 0U, (unsigned char)0, 2U, 7U, 1U, 2U, 0U}; [L3955-L3956] static struct usb_endpoint_descriptor fs_ep_in_desc = {7U, 5U, 128U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3957-L3958] static struct usb_endpoint_descriptor fs_ep_out_desc = {7U, 5U, 0U, 2U, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3959-L3960] static struct usb_descriptor_header const *fs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& fs_ep_in_desc), (struct usb_descriptor_header const *)(& fs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3961-L3962] static struct usb_endpoint_descriptor hs_ep_in_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3963-L3964] static struct usb_endpoint_descriptor hs_ep_out_desc = {7U, 5U, (unsigned char)0, 2U, 512U, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3965-L3966] static struct usb_qualifier_descriptor dev_qualifier = {10U, 6U, 512U, 7U, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L3967-L3968] static struct usb_descriptor_header const *hs_printer_function[11U] = { (struct usb_descriptor_header const *)(& otg_desc), (struct usb_descriptor_header const *)(& intf_desc), (struct usb_descriptor_header const *)(& hs_ep_in_desc), (struct usb_descriptor_header const *)(& hs_ep_out_desc), (struct usb_descriptor_header const *)0}; [L3969] static char manufacturer[50U] ; [L3970-L3974] static char product_desc[40U] = { 'P', 'r', 'i', 'n', 't', 'e', 'r', ' ', 'G', 'a', 'd', 'g', 'e', 't', '\000'}; [L3975] static char serial_num[40U] = { '1', '\000'}; [L3976-L3987] static char pnp_string[1024U] = { 'X', 'X', 'M', 'F', 'G', ':', 'l', 'i', 'n', 'u', 'x', ';', 'M', 'D', 'L', ':', 'g', '_', 'p', 'r', 'i', 'n', 't', 'e', 'r', ';', 'C', 'L', 'S', ':', 'P', 'R', 'I', 'N', 'T', 'E', 'R', ';', 'S', 'N', ':', '1', ';', '\000'}; [L3988-L3990] static struct usb_string strings[4U] = { {1U, (char const *)(& manufacturer)}, {2U, (char const *)(& product_desc)}, {3U, (char const *)(& serial_num)}}; [L3991] static struct usb_gadget_strings stringtab = {1033U, (struct usb_string *)(& strings)}; [L4632-L4635] static struct file_operations const printer_io_operations = {& __this_module, 0, & printer_read, & printer_write, 0, 0, 0, & printer_poll, & printer_ioctl, 0, 0, & printer_open, 0, & printer_close, & printer_fsync, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L5410-L5413] static struct usb_gadget_driver printer_driver = {(char *)(& driver_desc), 3, & printer_bind, & printer_unbind, & printer_setup, & printer_disconnect, 0, 0, {(char const *)(& shortname), 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L5465] int ldv_retval_0 ; [L5466] int ldv_retval_1 ; [L5469] int ldv_retval_3 ; [L5470] int ldv_retval_2 ; [L5894] int ldv_usb_gadget_class = 0; [L5895] int ldv_usb_gadget_chrdev = 0; [L5896] int ldv_usb_gadget = 0; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5494] struct usb_ctrlrequest *ldvarg0 ; [L5495] void *tmp ; [L5496] char *ldvarg7 ; [L5497] void *tmp___0 ; [L5498] struct poll_table_struct *ldvarg3 ; [L5499] void *tmp___1 ; [L5500] loff_t *ldvarg5 ; [L5501] void *tmp___2 ; [L5502] size_t ldvarg6 ; [L5503] size_t tmp___3 ; [L5504] unsigned long ldvarg1 ; [L5505] unsigned long tmp___4 ; [L5506] loff_t *ldvarg8 ; [L5507] void *tmp___5 ; [L5508] int ldvarg4 ; [L5509] int tmp___6 ; [L5510] char *ldvarg10 ; [L5511] void *tmp___7 ; [L5512] size_t ldvarg9 ; [L5513] size_t tmp___8 ; [L5514] unsigned int ldvarg2 ; [L5515] unsigned int tmp___9 ; [L5516] int tmp___10 ; [L5517] int tmp___11 ; [L5518] int tmp___12 ; [L5519] int tmp___13 ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5521] tmp = ldv_zalloc(8UL) [L5522] ldvarg0 = (struct usb_ctrlrequest *)tmp VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5523] tmp___0 = ldv_zalloc(1UL) [L5524] ldvarg7 = (char *)tmp___0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] CALL, EXPR ldv_zalloc(16UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=16, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=16, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] RET, EXPR ldv_zalloc(16UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(16UL)={0:0}, ldvarg0={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5525] tmp___1 = ldv_zalloc(16UL) [L5526] ldvarg3 = (struct poll_table_struct *)tmp___1 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg3={0:0}, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5527] tmp___2 = ldv_zalloc(8UL) [L5528] ldvarg5 = (loff_t *)tmp___2 [L5529] tmp___3 = __VERIFIER_nondet_size_t() [L5530] ldvarg6 = tmp___3 [L5531] tmp___4 = __VERIFIER_nondet_ulong() [L5532] ldvarg1 = tmp___4 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=137, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=8, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=8, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] RET, EXPR ldv_zalloc(8UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(8UL)={0:0}, ldvarg0={0:0}, ldvarg1=137, ldvarg3={0:0}, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] tmp___5 = ldv_zalloc(8UL) [L5534] ldvarg8 = (loff_t *)tmp___5 [L5535] tmp___6 = __VERIFIER_nondet_int() [L5536] ldvarg4 = tmp___6 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5537] tmp___7 = ldv_zalloc(1UL) [L5538] ldvarg10 = (char *)tmp___7 [L5539] tmp___8 = __VERIFIER_nondet_size_t() [L5540] ldvarg9 = tmp___8 [L5541] tmp___9 = __VERIFIER_nondet_uint() [L5542] ldvarg2 = tmp___9 [L5543] FCALL ldv_initialize() [L5544] ldv_state_variable_1 = 0 [L5545] ref_cnt = 0 [L5546] ldv_state_variable_0 = 1 [L5547] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: [L5610] case 1: VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5611] COND TRUE ldv_state_variable_0 == 1 [L5612] CALL, EXPR init() [L5416] int status ; [L5417] void *tmp ; [L5418] long tmp___0 ; [L5419] long tmp___1 ; [L5421] CALL, EXPR ldv_create_class() [L5899] void *is_got ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [\old(size)=120, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3184] void *p ; [L3185] void *tmp ; [L3186] int tmp___0 ; [L3188] tmp___0 = __VERIFIER_nondet_int() [L3189] COND TRUE tmp___0 != 0 [L3190] return ((void *)0); VAL [\old(size)=120, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=120, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5901] is_got = ldv_malloc(sizeof(struct class)) [L5902] COND TRUE (unsigned long )is_got <= 2012UL VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5903] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5907] COND TRUE ldv_usb_gadget_class == 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5911] ldv_usb_gadget_class = 1 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5914] return (is_got); VAL [\result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_got={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5421] RET, EXPR ldv_create_class() [L5421] tmp = ldv_create_class() [L5422] usb_gadget_class = (struct class *)tmp VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] CALL, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5736] long tmp ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5861] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] RET, EXPR ldv_is_err(ptr) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5738] tmp = ldv_is_err(ptr) [L5739] return (tmp); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, ptr={0:0}, ptr={0:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] RET, EXPR IS_ERR((void const *)usb_gadget_class) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, IS_ERR((void const *)usb_gadget_class)=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5423] tmp___1 = IS_ERR((void const *)usb_gadget_class) [L5424] COND FALSE !(tmp___1 != 0L) [L5432] CALL, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5762] ldv_func_ret_type ldv_func_res ; [L5763] int tmp ; [L5764] int tmp___0 ; [L5766] CALL, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L6074] return __VERIFIER_nondet_int(); [L5766] RET, EXPR alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5766] tmp = alloc_chrdev_region(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3, ldv_func_arg4) [L5767] ldv_func_res = tmp [L5768] CALL, EXPR ldv_register_chrdev_region() [L5954] int is_reg ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5855] return (ret); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5956] is_reg = ldv_undef_int_nonpositive() [L5957] COND TRUE ! is_reg VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5958] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5962] COND TRUE ldv_usb_gadget_chrdev == 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=0, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5966] ldv_usb_gadget_chrdev = 1 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5969] return (is_reg); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5768] RET, EXPR ldv_register_chrdev_region() [L5768] tmp___0 = ldv_register_chrdev_region() [L5769] return (tmp___0); VAL [\old(ldv_func_arg2)=0, \old(ldv_func_arg3)=1, \result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={103:0}, ldv_func_arg1={103:0}, ldv_func_arg2=0, ldv_func_arg3=1, ldv_func_arg4={93:0}, ldv_func_arg4={93:0}, ldv_func_res=139, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=139, tmp___0=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5432] RET, EXPR ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5432] status = ldv_alloc_chrdev_region_7(& g_printer_devno, 0U, 1U, "USB printer gadget") [L5433] COND FALSE !(status != 0) [L5439] CALL, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5783] ldv_func_ret_type___0 ldv_func_res ; [L5784] int tmp ; [L5785] int tmp___0 ; [L5787] CALL, EXPR usb_gadget_register_driver(ldv_func_arg1) [L6157] return __VERIFIER_nondet_int(); [L5787] RET, EXPR usb_gadget_register_driver(ldv_func_arg1) [L5787] tmp = usb_gadget_register_driver(ldv_func_arg1) [L5788] ldv_func_res = tmp [L5789] CALL, EXPR ldv_register_usb_gadget() [L5989] int is_reg ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] CALL, EXPR ldv_undef_int_nonpositive() VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5846] int ret ; [L5847] int tmp ; [L5849] CALL, EXPR ldv_undef_int() [L3220] int tmp ; [L3222] tmp = __VERIFIER_nondet_int() [L3223] return (tmp); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5849] RET, EXPR ldv_undef_int() [L5849] tmp = ldv_undef_int() [L5850] ret = tmp VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5851] COND TRUE ret <= 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5855] return (ret); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, ret=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] RET, EXPR ldv_undef_int_nonpositive() VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_undef_int_nonpositive()=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5991] is_reg = ldv_undef_int_nonpositive() [L5992] COND TRUE ! is_reg VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5993] COND TRUE ldv_usb_gadget == 0 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=0, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5997] ldv_usb_gadget = 1 VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L6000] return (is_reg); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, is_reg=0, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5789] RET, EXPR ldv_register_usb_gadget() [L5789] tmp___0 = ldv_register_usb_gadget() [L5790] return (tmp___0); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={123:0}, ldv_func_arg1={123:0}, ldv_func_res=140, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp=140, tmp___0=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5439] RET, EXPR ldv_usb_gadget_register_driver_9(& printer_driver) [L5439] status = ldv_usb_gadget_register_driver_9(& printer_driver) [L5440] COND FALSE !(status != 0) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5446] return (status); VAL [\result=0, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, status=0, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___1=0, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5612] RET, EXPR init() [L5612] ldv_retval_2 = init() [L5613] COND FALSE !(ldv_retval_2 != 0) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5618] COND TRUE ldv_retval_2 == 0 [L5619] ldv_state_variable_0 = 2 [L5620] ldv_state_variable_1 = 1 [L5621] CALL ldv_initialize_usb_gadget_driver_1() [L5473] void *tmp ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] CALL, EXPR ldv_zalloc(1072UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3202] void *p ; [L3203] void *tmp ; [L3204] int tmp___0 ; [L3206] tmp___0 = __VERIFIER_nondet_int() [L3207] COND TRUE tmp___0 != 0 [L3208] return ((void *)0); VAL [\old(size)=1072, \result={0:0}, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, size=1072, strings={120:0}, stringtab={121:0}, tmp___0=-2147483648, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] RET, EXPR ldv_zalloc(1072UL) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldv_zalloc(1072UL)={0:0}, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5475] tmp = ldv_zalloc(1072UL) [L5476] printer_driver_group0 = (struct usb_gadget *)tmp VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5621] RET ldv_initialize_usb_gadget_driver_1() [L5549] tmp___10 = __VERIFIER_nondet_int() [L5551] case 0: [L5598] case 1: VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=1, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5599] COND TRUE ldv_state_variable_0 != 0 [L5600] tmp___12 = __VERIFIER_nondet_int() [L5602] case 0: VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, ldvarg0={0:0}, ldvarg1=137, ldvarg10={0:0}, ldvarg2=137, ldvarg3={0:0}, ldvarg4=138, ldvarg5={0:0}, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=1, tmp___12=0, tmp___2={0:0}, tmp___3=0, tmp___4=137, tmp___5={0:0}, tmp___6=138, tmp___7={0:0}, tmp___8=0, tmp___9=137, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5603] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L5604] CALL cleanup() [L5451] int status ; VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5453] FCALL mutex_lock_nested(& usb_printer_gadget.lock_printer_io, 0U) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5454] CALL ldv_class_destroy_12(usb_gadget_class) [L5813] FCALL class_destroy(ldv_func_arg1) VAL [__this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5814] CALL ldv_unregister_class() VAL [\old(ldv_usb_gadget_class)=1, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5940] COND FALSE !(ldv_usb_gadget == 0) VAL [\old(ldv_usb_gadget_class)=1, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5942] CALL ldv_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L3238] reach_error() VAL [\old(ldv_usb_gadget_class)=1, __this_module={0:0}, bcdDevice=0, config_desc={107:0}, dev_qualifier={114:0}, device_desc={105:0}, driver_desc={102:0}, epnum=0, fs_ep_in_desc={109:0}, fs_ep_out_desc={110:0}, fs_printer_function={111:0}, g_printer_devno={103:0}, hs_ep_in_desc={112:0}, hs_ep_out_desc={113:0}, hs_printer_function={115:0}, idProduct=0, idVendor=0, iManufacturer={0:0}, intf_desc={108:0}, iPNPstring={0:0}, iProduct={0:0}, iSerialNum={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_usb_gadget=1, ldv_usb_gadget_chrdev=1, ldv_usb_gadget_class=1, manufacturer={116:0}, otg_desc={106:0}, pnp_string={119:0}, printer_driver={123:0}, printer_driver_group0={0:0}, printer_io_operations={122:0}, printer_io_operations_group1={0:0}, printer_io_operations_group2={0:0}, printer_mutex={100:0}, product_desc={117:0}, qlen=10, ref_cnt=0, serial_num={118:0}, shortname={101:0}, strings={120:0}, stringtab={121:0}, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 67 procedures, 1246 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 339.6s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 248.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 23479 SdHoareTripleChecker+Valid, 204.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23143 mSDsluCounter, 144927 SdHoareTripleChecker+Invalid, 194.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109645 mSDsCounter, 2008 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5377 IncrementalHoareTripleChecker+Invalid, 7395 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2008 mSolverCounterUnsat, 35282 mSDtfsCounter, 5377 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1553 GetRequests, 1435 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 63.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30214occurred in iteration=6, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 15974 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 15.1s SatisfiabilityAnalysisTime, 55.4s InterpolantComputationTime, 1636 NumberOfCodeBlocks, 1636 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1488 ConstructedInterpolants, 0 QuantifiedInterpolants, 2796 SizeOfPredicates, 70 NumberOfNonLiveVariables, 22329 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 1081/1081 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 08:36:01,944 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-14 08:36:02,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbe86fa2-443e-4273-90eb-e8b3c199737e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample