./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 38b53e6a 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/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_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:52:29,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:29,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:29,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:29,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:29,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:29,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:29,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:29,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:29,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:29,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:29,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:29,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:29,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:29,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:29,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:29,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:29,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:29,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:29,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:29,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:29,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:29,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:29,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:29,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:29,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:29,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:29,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:29,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:29,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:29,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:29,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:29,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:29,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:29,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:29,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:29,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:29,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:29,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:29,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:29,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:29,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:52:29,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:29,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:29,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:29,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:29,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:29,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:29,609 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:29,610 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:29,610 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:29,610 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:52:29,611 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:29,611 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:29,611 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:52:29,612 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:52:29,612 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:29,612 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:52:29,612 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:52:29,613 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:52:29,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:29,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:52:29,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:29,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:52:29,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:29,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:52:29,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:52:29,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:29,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:52:29,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:29,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:29,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:29,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:29,617 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:52:29,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:29,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:52:29,617 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:52:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:52:29,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:52:29,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:29,618 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-11-26 00:52:29,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:29,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:29,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:29,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:29,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:29,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:52:32,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:33,495 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:33,496 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:52:33,532 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/6638baf04/c25b83f464b34a6290ef9a743a87c9d9/FLAG4eaa12d37 [2022-11-26 00:52:33,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/6638baf04/c25b83f464b34a6290ef9a743a87c9d9 [2022-11-26 00:52:33,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:33,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:33,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:33,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:33,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:33,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:33" (1/1) ... [2022-11-26 00:52:33,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582f2aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:33, skipping insertion in model container [2022-11-26 00:52:33,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:33" (1/1) ... [2022-11-26 00:52:33,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:33,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:34,253 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:52:34,299 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:34,305 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:34,359 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:52:34,364 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:52:34,369 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:52:34,428 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:52:34,430 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:52:34,485 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:34,494 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-26 00:52:34,505 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-26 00:52:34,555 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/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] [2022-11-26 00:52:34,613 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:52:34,614 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:52:34,616 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:52:34,620 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:52:34,631 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:52:34,632 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:52:34,770 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:52:34,774 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:52:34,894 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:52:34,908 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:52:34,942 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:34,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,953 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:34,959 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:34,960 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:34,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:34,965 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,966 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:34,972 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:34,987 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:34,988 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,990 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:34,992 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:34,993 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:34,993 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:34,994 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,997 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:34,998 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,006 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,013 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,014 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,015 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,018 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:35,020 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:35,021 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:35,022 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,031 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,032 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,033 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,034 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,035 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,041 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,044 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:35,045 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:35,046 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:35,050 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,052 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,053 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,060 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,164 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,164 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,164 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,217 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,224 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:52:35,224 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:52:35,226 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:52:35,227 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,228 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,229 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,233 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:52:35,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,235 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-26 00:52:35,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,236 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:52:35,239 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:35,240 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,241 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,241 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,242 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,243 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:35,245 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:52:35,246 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:52:35,247 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,247 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,247 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,249 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,251 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,258 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,262 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,265 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,275 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:52:35,284 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-26 00:52:35,284 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-26 00:52:35,285 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-26 00:52:35,286 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,286 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-26 00:52:35,287 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,287 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:52:35,288 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,288 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:52:35,289 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:52:35,300 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,308 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,309 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:35,347 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:52:35,419 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:52:35,420 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:35,421 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:52:35,422 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:52:35,423 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:52:35,423 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:52:35,425 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:52:35,426 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:52:35,430 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,431 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-26 00:52:35,433 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-26 00:52:35,436 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/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] [2022-11-26 00:52:35,438 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:52:35,439 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:52:35,440 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:52:35,440 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:52:35,441 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:52:35,441 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:52:35,447 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:52:35,448 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:52:35,467 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:52:35,471 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:52:35,479 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:52:35,480 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,483 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,484 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,485 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,486 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,490 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,492 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,493 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,497 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,498 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,499 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,500 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:35,501 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:35,501 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:35,502 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,504 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,506 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,506 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,509 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,510 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,511 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:35,511 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:35,512 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:35,512 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,514 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,514 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,515 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,515 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,516 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,518 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,519 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:52:35,520 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:52:35,521 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:52:35,522 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,522 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,522 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,523 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,532 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,552 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,553 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,553 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:52:35,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,564 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:52:35,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,565 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:52:35,566 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:52:35,567 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:52:35,567 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,569 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,570 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,573 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:52:35,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,574 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-26 00:52:35,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,575 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:52:35,576 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:35,577 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,577 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,578 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,578 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:52:35,579 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:52:35,581 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:52:35,582 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:52:35,583 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,583 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,583 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:52:35,584 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,586 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:52:35,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:52:35,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:52:35,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:52:35,601 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:52:35,606 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-26 00:52:35,609 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-26 00:52:35,610 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-26 00:52:35,610 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,610 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-26 00:52:35,611 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,612 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:52:35,613 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:52:35,613 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:52:35,613 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:52:35,627 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,630 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,631 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:52:35,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:35,705 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:52:35,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35 WrapperNode [2022-11-26 00:52:35,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:35,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:35,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:52:35,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:52:35,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:35,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:35,999 INFO L138 Inliner]: procedures = 203, calls = 1279, calls flagged for inlining = 87, calls inlined = 87, statements flattened = 3473 [2022-11-26 00:52:36,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:36,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:52:36,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:52:36,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:52:36,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,156 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:52:36,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:52:36,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:52:36,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:52:36,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (1/1) ... [2022-11-26 00:52:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:36,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:52:36,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:52:36,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:52:36,295 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-11-26 00:52:36,295 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-11-26 00:52:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-26 00:52:36,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-26 00:52:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:52:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:52:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:52:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:52:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-11-26 00:52:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-11-26 00:52:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-11-26 00:52:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-11-26 00:52:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-11-26 00:52:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-11-26 00:52:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:52:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:52:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:52:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:52:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-11-26 00:52:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-11-26 00:52:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-11-26 00:52:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-11-26 00:52:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-26 00:52:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-26 00:52:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-11-26 00:52:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-11-26 00:52:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:52:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:52:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:52:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:52:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-11-26 00:52:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-11-26 00:52:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:52:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:52:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:52:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:52:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-26 00:52:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-26 00:52:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-11-26 00:52:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-11-26 00:52:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:52:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:52:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:52:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:52:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-11-26 00:52:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-11-26 00:52:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-11-26 00:52:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-11-26 00:52:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:52:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:52:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:52:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:52:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-26 00:52:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-26 00:52:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:52:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:52:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:52:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:52:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-26 00:52:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-26 00:52:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:52:36,308 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:52:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:52:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:52:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-26 00:52:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-26 00:52:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:52:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:52:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:52:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:52:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-11-26 00:52:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-11-26 00:52:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:52:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:52:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-26 00:52:36,310 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-26 00:52:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:52:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:52:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:52:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:52:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:52:36,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:52:36,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-26 00:52:36,312 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:52:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:52:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:52:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:52:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-11-26 00:52:36,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-11-26 00:52:36,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:52:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:52:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-11-26 00:52:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-11-26 00:52:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-26 00:52:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-26 00:52:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:52:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-11-26 00:52:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-11-26 00:52:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-11-26 00:52:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-11-26 00:52:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-11-26 00:52:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-11-26 00:52:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:52:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:52:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-11-26 00:52:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-11-26 00:52:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:52:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-26 00:52:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-11-26 00:52:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-11-26 00:52:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-26 00:52:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-11-26 00:52:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-11-26 00:52:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:52:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:52:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:52:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:52:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:52:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-11-26 00:52:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-11-26 00:52:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-11-26 00:52:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-11-26 00:52:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-26 00:52:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-26 00:52:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:52:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:52:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 00:52:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 00:52:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-11-26 00:52:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-11-26 00:52:36,322 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-26 00:52:36,322 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-26 00:52:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:52:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:52:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-11-26 00:52:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-11-26 00:52:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-11-26 00:52:36,323 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-11-26 00:52:36,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:52:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:52:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-11-26 00:52:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-11-26 00:52:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-26 00:52:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-26 00:52:36,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-11-26 00:52:36,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-11-26 00:52:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:52:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-26 00:52:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-26 00:52:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:52:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:52:36,325 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:52:36,325 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:52:36,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:52:36,993 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:52:37,284 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:52:58,696 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:52:59,635 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:52:59,635 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:52:59,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:59 BoogieIcfgContainer [2022-11-26 00:52:59,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:52:59,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:52:59,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:52:59,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:52:59,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:52:33" (1/3) ... [2022-11-26 00:52:59,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27367b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:52:59, skipping insertion in model container [2022-11-26 00:52:59,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:35" (2/3) ... [2022-11-26 00:52:59,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27367b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:52:59, skipping insertion in model container [2022-11-26 00:52:59,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:59" (3/3) ... [2022-11-26 00:52:59,652 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:52:59,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:52:59,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:52:59,756 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:52:59,763 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;@6aae2e22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:52:59,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:52:59,771 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) [2022-11-26 00:52:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:52:59,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:59,784 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] [2022-11-26 00:52:59,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:52:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:59,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1546438050, now seen corresponding path program 1 times [2022-11-26 00:52:59,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:52:59,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639477185] [2022-11-26 00:52:59,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:59,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:00,754 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:00,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:00,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639477185] [2022-11-26 00:53:00,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639477185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:00,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:00,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:00,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635517579] [2022-11-26 00:53:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:00,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:00,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:00,816 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) [2022-11-26 00:53:02,904 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 [] [2022-11-26 00:53:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:04,253 INFO L93 Difference]: Finished difference Result 2834 states and 4260 transitions. [2022-11-26 00:53:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:04,256 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 [2022-11-26 00:53:04,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:04,292 INFO L225 Difference]: With dead ends: 2834 [2022-11-26 00:53:04,292 INFO L226 Difference]: Without dead ends: 1841 [2022-11-26 00:53:04,304 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 [2022-11-26 00:53:04,308 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 1363 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:04,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 2784 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 00:53:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2022-11-26 00:53:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1835. [2022-11-26 00:53:04,523 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) [2022-11-26 00:53:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2699 transitions. [2022-11-26 00:53:04,543 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2699 transitions. Word has length 54 [2022-11-26 00:53:04,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:04,545 INFO L495 AbstractCegarLoop]: Abstraction has 1835 states and 2699 transitions. [2022-11-26 00:53:04,545 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) [2022-11-26 00:53:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2699 transitions. [2022-11-26 00:53:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:53:04,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:04,555 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] [2022-11-26 00:53:04,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:53:04,556 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:04,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:04,556 INFO L85 PathProgramCache]: Analyzing trace with hash 689178617, now seen corresponding path program 1 times [2022-11-26 00:53:04,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:04,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803394567] [2022-11-26 00:53:04,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:04,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:05,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:05,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803394567] [2022-11-26 00:53:05,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803394567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:05,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:05,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710430042] [2022-11-26 00:53:05,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:05,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:05,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:05,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:05,021 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) [2022-11-26 00:53:07,058 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 [] [2022-11-26 00:53:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:08,322 INFO L93 Difference]: Finished difference Result 3625 states and 5339 transitions. [2022-11-26 00:53:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:08,323 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 [2022-11-26 00:53:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:08,348 INFO L225 Difference]: With dead ends: 3625 [2022-11-26 00:53:08,348 INFO L226 Difference]: Without dead ends: 3605 [2022-11-26 00:53:08,351 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 [2022-11-26 00:53:08,352 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 1375 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:08,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 2759 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 292 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:53:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3605 states. [2022-11-26 00:53:08,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3605 to 3601. [2022-11-26 00:53:08,530 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) [2022-11-26 00:53:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 3601 states and 5306 transitions. [2022-11-26 00:53:08,557 INFO L78 Accepts]: Start accepts. Automaton has 3601 states and 5306 transitions. Word has length 54 [2022-11-26 00:53:08,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:08,557 INFO L495 AbstractCegarLoop]: Abstraction has 3601 states and 5306 transitions. [2022-11-26 00:53:08,557 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) [2022-11-26 00:53:08,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3601 states and 5306 transitions. [2022-11-26 00:53:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 00:53:08,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:08,559 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] [2022-11-26 00:53:08,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:53:08,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash -111281325, now seen corresponding path program 1 times [2022-11-26 00:53:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477235609] [2022-11-26 00:53:08,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:08,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:08,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477235609] [2022-11-26 00:53:08,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477235609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:08,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:08,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106401461] [2022-11-26 00:53:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:08,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:08,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:08,880 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) [2022-11-26 00:53:10,919 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 [] [2022-11-26 00:53:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:12,420 INFO L93 Difference]: Finished difference Result 10741 states and 15843 transitions. [2022-11-26 00:53:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:12,421 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 [2022-11-26 00:53:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:12,471 INFO L225 Difference]: With dead ends: 10741 [2022-11-26 00:53:12,471 INFO L226 Difference]: Without dead ends: 7153 [2022-11-26 00:53:12,494 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 [2022-11-26 00:53:12,498 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 1374 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:12,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1374 Valid, 2871 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 309 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 00:53:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2022-11-26 00:53:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7142. [2022-11-26 00:53:12,948 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) [2022-11-26 00:53:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10534 transitions. [2022-11-26 00:53:12,991 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 10534 transitions. Word has length 55 [2022-11-26 00:53:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:12,992 INFO L495 AbstractCegarLoop]: Abstraction has 7142 states and 10534 transitions. [2022-11-26 00:53:12,992 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) [2022-11-26 00:53:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 10534 transitions. [2022-11-26 00:53:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-26 00:53:12,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:12,995 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] [2022-11-26 00:53:12,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:53:12,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:12,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1304455725, now seen corresponding path program 1 times [2022-11-26 00:53:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:12,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456782777] [2022-11-26 00:53:12,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:13,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:13,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456782777] [2022-11-26 00:53:13,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456782777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:13,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:13,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:13,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178372292] [2022-11-26 00:53:13,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:13,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:13,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:13,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:13,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:13,415 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) [2022-11-26 00:53:15,484 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 [] [2022-11-26 00:53:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:17,162 INFO L93 Difference]: Finished difference Result 21386 states and 31552 transitions. [2022-11-26 00:53:17,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:17,163 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 [2022-11-26 00:53:17,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:17,282 INFO L225 Difference]: With dead ends: 21386 [2022-11-26 00:53:17,283 INFO L226 Difference]: Without dead ends: 14254 [2022-11-26 00:53:17,324 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 [2022-11-26 00:53:17,328 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1367 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:17,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 2806 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 290 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-26 00:53:17,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14254 states. [2022-11-26 00:53:18,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14254 to 14217. [2022-11-26 00:53:18,191 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) [2022-11-26 00:53:18,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14217 states to 14217 states and 20986 transitions. [2022-11-26 00:53:18,277 INFO L78 Accepts]: Start accepts. Automaton has 14217 states and 20986 transitions. Word has length 68 [2022-11-26 00:53:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:18,279 INFO L495 AbstractCegarLoop]: Abstraction has 14217 states and 20986 transitions. [2022-11-26 00:53:18,280 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) [2022-11-26 00:53:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 14217 states and 20986 transitions. [2022-11-26 00:53:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-26 00:53:18,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:18,285 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] [2022-11-26 00:53:18,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:53:18,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:18,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:18,286 INFO L85 PathProgramCache]: Analyzing trace with hash 451327553, now seen corresponding path program 1 times [2022-11-26 00:53:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:18,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131784196] [2022-11-26 00:53:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:20,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:20,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131784196] [2022-11-26 00:53:20,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131784196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:20,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:20,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:53:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538588343] [2022-11-26 00:53:20,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:20,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:53:20,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:20,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:53:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:53:20,787 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) [2022-11-26 00:53:22,830 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 [] [2022-11-26 00:53:34,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:34,037 INFO L93 Difference]: Finished difference Result 41741 states and 62034 transitions. [2022-11-26 00:53:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-26 00:53:34,037 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 [2022-11-26 00:53:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:34,246 INFO L225 Difference]: With dead ends: 41741 [2022-11-26 00:53:34,247 INFO L226 Difference]: Without dead ends: 27537 [2022-11-26 00:53:34,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:53:34,329 INFO L413 NwaCegarLoop]: 2347 mSDtfsCounter, 1891 mSDsluCounter, 22372 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 216 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 24719 SdHoareTripleChecker+Invalid, 3698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:34,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 24719 Invalid, 3698 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [216 Valid, 3481 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-11-26 00:53:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27537 states. [2022-11-26 00:53:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27537 to 24755. [2022-11-26 00:53:36,072 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) [2022-11-26 00:53:36,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24755 states to 24755 states and 36575 transitions. [2022-11-26 00:53:36,195 INFO L78 Accepts]: Start accepts. Automaton has 24755 states and 36575 transitions. Word has length 70 [2022-11-26 00:53:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:36,195 INFO L495 AbstractCegarLoop]: Abstraction has 24755 states and 36575 transitions. [2022-11-26 00:53:36,196 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) [2022-11-26 00:53:36,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24755 states and 36575 transitions. [2022-11-26 00:53:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:53:36,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:36,199 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] [2022-11-26 00:53:36,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:53:36,199 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:36,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:36,200 INFO L85 PathProgramCache]: Analyzing trace with hash 982832870, now seen corresponding path program 1 times [2022-11-26 00:53:36,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:36,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941505007] [2022-11-26 00:53:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:53:36,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:36,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941505007] [2022-11-26 00:53:36,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941505007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:36,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:36,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549735180] [2022-11-26 00:53:36,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:36,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:36,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:36,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:36,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:36,616 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) [2022-11-26 00:53:38,655 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 [] [2022-11-26 00:53:40,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:40,871 INFO L93 Difference]: Finished difference Result 49504 states and 73137 transitions. [2022-11-26 00:53:40,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:40,872 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 [2022-11-26 00:53:40,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:41,025 INFO L225 Difference]: With dead ends: 49504 [2022-11-26 00:53:41,025 INFO L226 Difference]: Without dead ends: 24762 [2022-11-26 00:53:41,117 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 [2022-11-26 00:53:41,118 INFO L413 NwaCegarLoop]: 2433 mSDtfsCounter, 1340 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:41,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 3687 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 418 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 00:53:41,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24762 states. [2022-11-26 00:53:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24762 to 24736. [2022-11-26 00:53:42,911 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) [2022-11-26 00:53:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24736 states to 24736 states and 36540 transitions. [2022-11-26 00:53:43,077 INFO L78 Accepts]: Start accepts. Automaton has 24736 states and 36540 transitions. Word has length 80 [2022-11-26 00:53:43,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:43,077 INFO L495 AbstractCegarLoop]: Abstraction has 24736 states and 36540 transitions. [2022-11-26 00:53:43,078 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) [2022-11-26 00:53:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 24736 states and 36540 transitions. [2022-11-26 00:53:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-26 00:53:43,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:43,082 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] [2022-11-26 00:53:43,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:53:43,082 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:53:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1041359215, now seen corresponding path program 1 times [2022-11-26 00:53:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:43,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270878723] [2022-11-26 00:53:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-26 00:53:48,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:48,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270878723] [2022-11-26 00:53:48,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270878723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:48,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:48,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:53:48,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490769375] [2022-11-26 00:53:48,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:48,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:53:48,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:48,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:53:48,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:53:48,488 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) [2022-11-26 00:53:50,531 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 [] [2022-11-26 00:54:03,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:03,969 INFO L93 Difference]: Finished difference Result 62871 states and 93285 transitions. [2022-11-26 00:54:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-26 00:54:03,969 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 [2022-11-26 00:54:03,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:04,192 INFO L225 Difference]: With dead ends: 62871 [2022-11-26 00:54:04,193 INFO L226 Difference]: Without dead ends: 38148 [2022-11-26 00:54:04,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=111, Invalid=759, Unknown=0, NotChecked=0, Total=870 [2022-11-26 00:54:04,284 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 2269 mSDsluCounter, 25623 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 421 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s 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, 12.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:04,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2335 Valid, 28027 Invalid, 4496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [421 Valid, 4074 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-11-26 00:54:04,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38148 states. [2022-11-26 00:54:06,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38148 to 24728. [2022-11-26 00:54:06,424 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) [2022-11-26 00:54:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24728 states to 24728 states and 36530 transitions. [2022-11-26 00:54:06,563 INFO L78 Accepts]: Start accepts. Automaton has 24728 states and 36530 transitions. Word has length 85 [2022-11-26 00:54:06,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:06,563 INFO L495 AbstractCegarLoop]: Abstraction has 24728 states and 36530 transitions. [2022-11-26 00:54:06,564 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) [2022-11-26 00:54:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24728 states and 36530 transitions. [2022-11-26 00:54:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-26 00:54:06,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:06,567 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] [2022-11-26 00:54:06,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:54:06,568 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:06,568 INFO L85 PathProgramCache]: Analyzing trace with hash 762860183, now seen corresponding path program 1 times [2022-11-26 00:54:06,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:06,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859419113] [2022-11-26 00:54:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-26 00:54:10,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:10,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859419113] [2022-11-26 00:54:10,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859419113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:10,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:10,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-26 00:54:10,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941396680] [2022-11-26 00:54:10,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:54:10,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:54:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-11-26 00:54:10,442 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) [2022-11-26 00:54:12,483 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 [] [2022-11-26 00:54:25,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:25,043 INFO L93 Difference]: Finished difference Result 46760 states and 69054 transitions. [2022-11-26 00:54:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-26 00:54:25,047 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 [2022-11-26 00:54:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:25,156 INFO L225 Difference]: With dead ends: 46760 [2022-11-26 00:54:25,156 INFO L226 Difference]: Without dead ends: 22045 [2022-11-26 00:54:25,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:54:25,232 INFO L413 NwaCegarLoop]: 2631 mSDtfsCounter, 1797 mSDsluCounter, 27297 mSDsCounter, 0 mSdLazyCounter, 4221 mSolverCounterSat, 253 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s 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, 12.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:25,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 29928 Invalid, 4475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [253 Valid, 4221 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-11-26 00:54:25,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22045 states. [2022-11-26 00:54:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22045 to 21049. [2022-11-26 00:54:27,480 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) [2022-11-26 00:54:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21049 states to 21049 states and 31103 transitions. [2022-11-26 00:54:27,648 INFO L78 Accepts]: Start accepts. Automaton has 21049 states and 31103 transitions. Word has length 92 [2022-11-26 00:54:27,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:27,649 INFO L495 AbstractCegarLoop]: Abstraction has 21049 states and 31103 transitions. [2022-11-26 00:54:27,649 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) [2022-11-26 00:54:27,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21049 states and 31103 transitions. [2022-11-26 00:54:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-26 00:54:27,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:27,656 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] [2022-11-26 00:54:27,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:54:27,657 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:27,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:27,657 INFO L85 PathProgramCache]: Analyzing trace with hash -388413087, now seen corresponding path program 1 times [2022-11-26 00:54:27,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:27,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386881673] [2022-11-26 00:54:27,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:27,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-26 00:54:28,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:28,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386881673] [2022-11-26 00:54:28,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386881673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:28,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:28,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:28,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083566778] [2022-11-26 00:54:28,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:28,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:28,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:28,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:28,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:28,559 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) [2022-11-26 00:54:30,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:33,639 INFO L93 Difference]: Finished difference Result 22616 states and 33614 transitions. [2022-11-26 00:54:33,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:33,640 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 [2022-11-26 00:54:33,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:33,698 INFO L225 Difference]: With dead ends: 22616 [2022-11-26 00:54:33,699 INFO L226 Difference]: Without dead ends: 15622 [2022-11-26 00:54:33,724 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 [2022-11-26 00:54:33,725 INFO L413 NwaCegarLoop]: 1858 mSDtfsCounter, 518 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 126 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:33,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 5010 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 489 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-26 00:54:33,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15622 states. [2022-11-26 00:54:34,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15622 to 14100. [2022-11-26 00:54:35,009 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) [2022-11-26 00:54:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14100 states to 14100 states and 20808 transitions. [2022-11-26 00:54:35,072 INFO L78 Accepts]: Start accepts. Automaton has 14100 states and 20808 transitions. Word has length 87 [2022-11-26 00:54:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:35,073 INFO L495 AbstractCegarLoop]: Abstraction has 14100 states and 20808 transitions. [2022-11-26 00:54:35,073 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) [2022-11-26 00:54:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14100 states and 20808 transitions. [2022-11-26 00:54:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:54:35,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:35,079 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] [2022-11-26 00:54:35,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:54:35,080 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:35,080 INFO L85 PathProgramCache]: Analyzing trace with hash 202305923, now seen corresponding path program 1 times [2022-11-26 00:54:35,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:35,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401234887] [2022-11-26 00:54:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:35,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-26 00:54:35,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:35,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401234887] [2022-11-26 00:54:35,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401234887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:35,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:35,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:35,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560164840] [2022-11-26 00:54:35,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:35,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:35,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:35,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:35,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:35,762 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) [2022-11-26 00:54:37,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:40,537 INFO L93 Difference]: Finished difference Result 28178 states and 41590 transitions. [2022-11-26 00:54:40,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:40,538 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 [2022-11-26 00:54:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:40,601 INFO L225 Difference]: With dead ends: 28178 [2022-11-26 00:54:40,601 INFO L226 Difference]: Without dead ends: 14108 [2022-11-26 00:54:40,700 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 [2022-11-26 00:54:40,701 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 513 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 119 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:40,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 4403 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 459 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:54:40,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14108 states. [2022-11-26 00:54:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14108 to 14090. [2022-11-26 00:54:41,780 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) [2022-11-26 00:54:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14090 states to 14090 states and 20792 transitions. [2022-11-26 00:54:41,828 INFO L78 Accepts]: Start accepts. Automaton has 14090 states and 20792 transitions. Word has length 89 [2022-11-26 00:54:41,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:41,829 INFO L495 AbstractCegarLoop]: Abstraction has 14090 states and 20792 transitions. [2022-11-26 00:54:41,829 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) [2022-11-26 00:54:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 14090 states and 20792 transitions. [2022-11-26 00:54:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:54:41,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:41,835 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] [2022-11-26 00:54:41,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:54:41,836 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:41,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:41,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2122403110, now seen corresponding path program 1 times [2022-11-26 00:54:41,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:41,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677897822] [2022-11-26 00:54:41,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:41,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-26 00:54:42,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:42,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677897822] [2022-11-26 00:54:42,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677897822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:42,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:42,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:54:42,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581506877] [2022-11-26 00:54:42,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:42,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:54:42,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:42,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:54:42,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:54:42,569 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) [2022-11-26 00:54:44,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:49,687 INFO L93 Difference]: Finished difference Result 22381 states and 32907 transitions. [2022-11-26 00:54:49,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:54:49,688 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 [2022-11-26 00:54:49,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:49,718 INFO L225 Difference]: With dead ends: 22381 [2022-11-26 00:54:49,719 INFO L226 Difference]: Without dead ends: 8321 [2022-11-26 00:54:49,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:54:49,752 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 2148 mSDsluCounter, 8799 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 251 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:49,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 11389 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1531 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-26 00:54:49,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2022-11-26 00:54:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 8238. [2022-11-26 00:54:50,624 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) [2022-11-26 00:54:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8238 states to 8238 states and 12046 transitions. [2022-11-26 00:54:50,650 INFO L78 Accepts]: Start accepts. Automaton has 8238 states and 12046 transitions. Word has length 89 [2022-11-26 00:54:50,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:50,650 INFO L495 AbstractCegarLoop]: Abstraction has 8238 states and 12046 transitions. [2022-11-26 00:54:50,650 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) [2022-11-26 00:54:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 8238 states and 12046 transitions. [2022-11-26 00:54:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-26 00:54:50,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:50,655 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] [2022-11-26 00:54:50,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:54:50,656 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:50,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:50,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1608057726, now seen corresponding path program 1 times [2022-11-26 00:54:50,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:50,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81412096] [2022-11-26 00:54:50,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:50,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:54:51,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:51,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81412096] [2022-11-26 00:54:51,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81412096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:51,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:51,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:51,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871377841] [2022-11-26 00:54:51,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:51,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:51,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:51,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:51,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:54:51,283 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) [2022-11-26 00:54:53,322 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 [] [2022-11-26 00:54:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:55,498 INFO L93 Difference]: Finished difference Result 14098 states and 20664 transitions. [2022-11-26 00:54:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:55,499 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 [2022-11-26 00:54:55,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:55,520 INFO L225 Difference]: With dead ends: 14098 [2022-11-26 00:54:55,520 INFO L226 Difference]: Without dead ends: 6798 [2022-11-26 00:54:55,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:55,537 INFO L413 NwaCegarLoop]: 1647 mSDtfsCounter, 677 mSDsluCounter, 3020 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 123 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:55,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 4667 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:54:55,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2022-11-26 00:54:56,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 6395. [2022-11-26 00:54:56,008 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) [2022-11-26 00:54:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9351 transitions. [2022-11-26 00:54:56,031 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9351 transitions. Word has length 91 [2022-11-26 00:54:56,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:56,032 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9351 transitions. [2022-11-26 00:54:56,032 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) [2022-11-26 00:54:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9351 transitions. [2022-11-26 00:54:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-26 00:54:56,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:56,038 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] [2022-11-26 00:54:56,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:54:56,038 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:54:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:56,039 INFO L85 PathProgramCache]: Analyzing trace with hash -242302856, now seen corresponding path program 1 times [2022-11-26 00:54:56,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:56,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750821811] [2022-11-26 00:54:56,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:56,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 00:54:57,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:57,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750821811] [2022-11-26 00:54:57,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750821811] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:54:57,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682398742] [2022-11-26 00:54:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:57,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:54:57,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:54:57,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:54:57,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:54:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:58,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2456 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-26 00:54:58,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:54:58,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:54:58,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682398742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:58,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:54:58,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-26 00:54:58,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292086650] [2022-11-26 00:54:58,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:58,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:54:58,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:58,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:54:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:54:58,564 INFO L87 Difference]: Start difference. First operand 6395 states and 9351 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:55:00,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:02,684 INFO L93 Difference]: Finished difference Result 6769 states and 9940 transitions. [2022-11-26 00:55:02,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:55:02,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 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 97 [2022-11-26 00:55:02,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:02,699 INFO L225 Difference]: With dead ends: 6769 [2022-11-26 00:55:02,699 INFO L226 Difference]: Without dead ends: 4932 [2022-11-26 00:55:02,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:55:02,705 INFO L413 NwaCegarLoop]: 1618 mSDtfsCounter, 647 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 117 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:02,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 4620 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:55:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2022-11-26 00:55:03,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4580. [2022-11-26 00:55:03,226 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) [2022-11-26 00:55:03,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6689 transitions. [2022-11-26 00:55:03,238 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6689 transitions. Word has length 97 [2022-11-26 00:55:03,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:03,238 INFO L495 AbstractCegarLoop]: Abstraction has 4580 states and 6689 transitions. [2022-11-26 00:55:03,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:55:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6689 transitions. [2022-11-26 00:55:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-26 00:55:03,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:03,244 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] [2022-11-26 00:55:03,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:55:03,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:03,459 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:03,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:03,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1266721036, now seen corresponding path program 1 times [2022-11-26 00:55:03,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:03,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034864583] [2022-11-26 00:55:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-26 00:55:06,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:06,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034864583] [2022-11-26 00:55:06,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034864583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:55:06,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511179967] [2022-11-26 00:55:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:06,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:55:06,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:06,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:55:06,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:55:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:14,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-26 00:55:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:55:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-26 00:55:15,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:55:15,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511179967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:15,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:55:15,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [13] total 18 [2022-11-26 00:55:15,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147017074] [2022-11-26 00:55:15,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:15,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-26 00:55:15,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:15,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-26 00:55:15,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:55:15,272 INFO L87 Difference]: Start difference. First operand 4580 states and 6689 transitions. Second operand has 14 states, 9 states have (on average 6.0) internal successors, (54), 11 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) [2022-11-26 00:55:17,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:24,861 INFO L93 Difference]: Finished difference Result 6925 states and 10174 transitions. [2022-11-26 00:55:24,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 00:55:24,862 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 6.0) internal successors, (54), 11 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 [2022-11-26 00:55:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:24,877 INFO L225 Difference]: With dead ends: 6925 [2022-11-26 00:55:24,877 INFO L226 Difference]: Without dead ends: 3242 [2022-11-26 00:55:24,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:55:24,888 INFO L413 NwaCegarLoop]: 1829 mSDtfsCounter, 432 mSDsluCounter, 19380 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 117 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 21209 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:24,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 21209 Invalid, 2222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [117 Valid, 2104 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:55:24,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2022-11-26 00:55:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 2773. [2022-11-26 00:55:25,127 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) [2022-11-26 00:55:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 4036 transitions. [2022-11-26 00:55:25,134 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 4036 transitions. Word has length 103 [2022-11-26 00:55:25,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:25,135 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 4036 transitions. [2022-11-26 00:55:25,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 6.0) internal successors, (54), 11 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) [2022-11-26 00:55:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 4036 transitions. [2022-11-26 00:55:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-26 00:55:25,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:25,140 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] [2022-11-26 00:55:25,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:55:25,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:55:25,352 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:25,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1861435192, now seen corresponding path program 1 times [2022-11-26 00:55:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:25,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108210314] [2022-11-26 00:55:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-26 00:55:25,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:25,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108210314] [2022-11-26 00:55:25,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108210314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:25,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:25,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:55:25,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782866418] [2022-11-26 00:55:25,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:25,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:55:25,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:25,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:55:25,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:55:25,833 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) [2022-11-26 00:55:27,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:29,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:29,597 INFO L93 Difference]: Finished difference Result 2777 states and 4038 transitions. [2022-11-26 00:55:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:55:29,598 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 [2022-11-26 00:55:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:29,608 INFO L225 Difference]: With dead ends: 2777 [2022-11-26 00:55:29,608 INFO L226 Difference]: Without dead ends: 2774 [2022-11-26 00:55:29,609 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 [2022-11-26 00:55:29,610 INFO L413 NwaCegarLoop]: 2411 mSDtfsCounter, 1323 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:29,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 3622 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:55:29,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-11-26 00:55:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2772. [2022-11-26 00:55:29,813 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) [2022-11-26 00:55:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 4033 transitions. [2022-11-26 00:55:29,820 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 4033 transitions. Word has length 100 [2022-11-26 00:55:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:29,821 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 4033 transitions. [2022-11-26 00:55:29,821 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) [2022-11-26 00:55:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 4033 transitions. [2022-11-26 00:55:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-26 00:55:29,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:29,826 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] [2022-11-26 00:55:29,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:55:29,827 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash -162604397, now seen corresponding path program 1 times [2022-11-26 00:55:29,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:29,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162641850] [2022-11-26 00:55:29,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-26 00:55:30,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:30,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162641850] [2022-11-26 00:55:30,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162641850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:30,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:30,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:55:30,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107746639] [2022-11-26 00:55:30,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:30,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:55:30,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:30,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:55:30,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:55:30,801 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) [2022-11-26 00:55:32,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:36,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:36,708 INFO L93 Difference]: Finished difference Result 4662 states and 6765 transitions. [2022-11-26 00:55:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:55:36,709 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 [2022-11-26 00:55:36,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:36,720 INFO L225 Difference]: With dead ends: 4662 [2022-11-26 00:55:36,720 INFO L226 Difference]: Without dead ends: 2770 [2022-11-26 00:55:36,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:55:36,727 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 519 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 125 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:36,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 11941 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1312 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-26 00:55:36,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2022-11-26 00:55:36,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2761. [2022-11-26 00:55:36,951 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) [2022-11-26 00:55:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 4021 transitions. [2022-11-26 00:55:36,961 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 4021 transitions. Word has length 108 [2022-11-26 00:55:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:36,962 INFO L495 AbstractCegarLoop]: Abstraction has 2761 states and 4021 transitions. [2022-11-26 00:55:36,962 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) [2022-11-26 00:55:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 4021 transitions. [2022-11-26 00:55:36,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-26 00:55:36,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:36,968 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] [2022-11-26 00:55:36,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:55:36,969 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:55:36,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:36,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1386876161, now seen corresponding path program 1 times [2022-11-26 00:55:36,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:36,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506263310] [2022-11-26 00:55:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:55:37,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:55:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:55:37,573 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:55:37,573 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:55:37,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:55:37,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:55:37,583 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:37,587 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:55:37,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:55:37 BoogieIcfgContainer [2022-11-26 00:55:37,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:55:37,922 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:55:37,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:55:37,922 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:55:37,923 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:59" (3/4) ... [2022-11-26 00:55:37,926 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:55:37,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:55:37,927 INFO L158 Benchmark]: Toolchain (without parser) took 184369.67ms. Allocated memory was 163.6MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 124.7MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-26 00:55:37,927 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:37,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2144.55ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 124.7MB in the beginning and 99.5MB in the end (delta: 25.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2022-11-26 00:55:37,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 293.14ms. Allocated memory is still 209.7MB. Free memory was 99.5MB in the beginning and 145.2MB in the end (delta: -45.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-11-26 00:55:37,928 INFO L158 Benchmark]: Boogie Preprocessor took 222.13ms. Allocated memory is still 209.7MB. Free memory was 145.2MB in the beginning and 123.0MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-26 00:55:37,928 INFO L158 Benchmark]: RCFGBuilder took 23418.27ms. Allocated memory was 209.7MB in the beginning and 1.2GB in the end (delta: 977.3MB). Free memory was 123.0MB in the beginning and 453.6MB in the end (delta: -330.6MB). Peak memory consumption was 705.6MB. Max. memory is 16.1GB. [2022-11-26 00:55:37,929 INFO L158 Benchmark]: TraceAbstraction took 158276.75ms. Allocated memory was 1.2GB in the beginning and 4.6GB in the end (delta: 3.4GB). Free memory was 453.6MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-26 00:55:37,933 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 4.6GB. Free memory is still 2.4GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:55:37,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory was 75.6MB in the beginning and 75.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2144.55ms. Allocated memory was 163.6MB in the beginning and 209.7MB in the end (delta: 46.1MB). Free memory was 124.7MB in the beginning and 99.5MB in the end (delta: 25.3MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 293.14ms. Allocated memory is still 209.7MB. Free memory was 99.5MB in the beginning and 145.2MB in the end (delta: -45.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 222.13ms. Allocated memory is still 209.7MB. Free memory was 145.2MB in the beginning and 123.0MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 23418.27ms. Allocated memory was 209.7MB in the beginning and 1.2GB in the end (delta: 977.3MB). Free memory was 123.0MB in the beginning and 453.6MB in the end (delta: -330.6MB). Peak memory consumption was 705.6MB. Max. memory is 16.1GB. * TraceAbstraction took 158276.75ms. Allocated memory was 1.2GB in the beginning and 4.6GB in the end (delta: 3.4GB). Free memory was 453.6MB in the beginning and 2.4GB in the end (delta: -2.0GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 4.6GB. Free memory is still 2.4GB. 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, usb_gadget_class={0:0}, usb_printer_gadget={104:0}] [L5533] CALL, EXPR ldv_zalloc(8UL) VAL [__this_module={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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=4294967303, 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=4294967303, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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={4294967386:4294967407}, 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: 157.9s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 108.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 20373 SdHoareTripleChecker+Valid, 88.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19553 mSDsluCounter, 164442 SdHoareTripleChecker+Invalid, 83.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 133182 mSDsCounter, 1893 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20634 IncrementalHoareTripleChecker+Invalid, 22543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1893 mSolverCounterUnsat, 31260 mSDtfsCounter, 20634 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 249 SyntacticMatches, 3 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24755occurred in iteration=5, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 15.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 20140 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 10.1s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 1634 NumberOfCodeBlocks, 1634 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1504 ConstructedInterpolants, 0 QuantifiedInterpolants, 2601 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4898 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 1216/1221 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 [2022-11-26 00:55:38,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/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_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:55:40,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:55:40,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:55:40,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:55:40,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:55:40,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:55:40,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:55:40,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:55:40,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:55:40,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:55:40,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:55:40,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:55:40,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:55:40,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:55:40,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:55:40,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:55:40,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:55:40,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:55:40,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:55:40,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:55:40,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:55:40,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:55:40,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:55:40,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:55:40,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:55:40,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:55:40,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:55:40,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:55:40,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:55:40,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:55:40,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:55:40,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:55:40,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:55:40,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:55:40,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:55:40,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:55:40,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:55:40,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:55:40,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:55:40,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:55:40,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:55:40,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:55:40,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:55:40,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:55:40,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:55:40,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:55:40,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:55:40,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:55:40,757 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:55:40,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:55:40,758 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:55:40,758 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:55:40,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:55:40,759 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:55:40,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:55:40,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:55:40,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:55:40,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:55:40,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:55:40,761 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:55:40,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:55:40,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:55:40,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:55:40,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:55:40,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:55:40,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:55:40,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:55:40,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:55:40,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:40,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:55:40,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:55:40,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:55:40,764 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:55:40,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:55:40,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:55:40,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:55:40,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:55:40,765 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3555fedd9f92961bad45780711b37c7eb42c00277e0bac6769cfc03eaec14a8 [2022-11-26 00:55:41,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:55:41,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:55:41,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:55:41,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:55:41,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:55:41,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:55:44,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:55:44,731 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:55:44,731 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:55:44,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/e75da8da2/b4c762aad58e46a58be8c63cdde1b453/FLAGbce38a4d5 [2022-11-26 00:55:44,816 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/data/e75da8da2/b4c762aad58e46a58be8c63cdde1b453 [2022-11-26 00:55:44,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:55:44,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:55:44,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:44,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:55:44,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:55:44,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:44" (1/1) ... [2022-11-26 00:55:44,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cd0e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:44, skipping insertion in model container [2022-11-26 00:55:44,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:55:44" (1/1) ... [2022-11-26 00:55:44,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:55:44,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:45,413 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:55:45,468 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:45,473 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:45,519 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:45,523 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:45,526 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:45,571 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:55:45,572 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:55:45,620 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:45,627 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-26 00:55:45,639 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-26 00:55:45,685 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/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] [2022-11-26 00:55:45,715 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:45,716 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:45,717 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:45,718 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:55:45,721 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:45,722 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:55:45,813 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:55:45,817 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:55:45,890 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-26 00:55:45,895 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:55:45,905 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:55:45,964 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:45,970 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:45,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:45,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:45,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:45,975 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:45,979 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:45,980 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:45,984 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:45,985 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:45,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:45,988 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:45,991 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:45,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:45,997 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,003 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,003 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,005 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,007 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,008 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,008 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,009 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,012 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,013 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,015 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,021 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,022 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,023 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,024 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,026 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,026 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,027 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,030 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,031 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,032 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,033 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,034 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,041 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,043 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,043 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,047 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,047 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,049 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,054 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,103 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,103 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,104 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,135 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,136 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,140 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:55:46,141 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:46,142 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:46,144 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,145 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,146 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,155 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:55:46,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,157 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-26 00:55:46,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,161 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:46,168 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:46,175 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,176 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,176 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,177 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,180 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:46,186 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:46,187 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:55:46,188 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,188 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,188 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,191 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,193 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,195 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,205 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,207 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,217 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:46,224 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-26 00:55:46,225 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-26 00:55:46,226 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-26 00:55:46,226 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,227 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-26 00:55:46,246 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,246 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:46,247 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,247 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:46,248 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:55:46,259 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,269 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:46,313 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:55:46,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:55:46,431 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:55:46,437 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:46,438 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:46,444 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:46,444 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:46,446 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:46,454 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:55:46,455 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:55:46,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,472 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-26 00:55:46,475 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-26 00:55:46,484 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/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] [2022-11-26 00:55:46,493 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:46,493 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:46,494 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:46,495 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:55:46,496 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:46,496 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:55:46,503 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:55:46,503 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:55:46,537 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:55:46,550 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:55:46,579 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:46,581 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,583 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,585 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,586 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,587 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,589 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,592 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,593 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,601 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,602 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,604 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,605 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,607 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,607 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,608 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,610 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,613 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,614 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,620 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,622 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,623 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,624 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,624 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,626 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,627 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,627 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,628 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,631 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,631 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,633 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,634 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,635 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,635 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,636 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,637 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,641 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,642 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,645 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,683 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,687 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,687 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,688 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,688 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,701 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,703 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:55:46,703 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:46,706 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:46,707 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,709 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,710 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,713 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:55:46,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,715 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-26 00:55:46,716 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,716 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:46,717 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:46,718 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,718 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,719 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,719 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:46,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:46,723 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:46,724 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:55:46,724 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,725 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,725 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:46,727 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,729 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:46,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,737 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,738 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,740 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:46,747 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-26 00:55:46,750 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-26 00:55:46,751 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-26 00:55:46,751 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,755 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-26 00:55:46,756 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,756 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:46,757 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:46,758 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:46,758 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:55:46,768 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,772 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,774 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:46,820 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:55:46,896 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:55:46,898 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:46,898 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:55:46,900 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-26 00:55:46,900 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-26 00:55:46,901 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:55:46,902 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:55:46,903 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_dereference [2022-11-26 00:55:46,906 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:46,907 WARN L623 FunctionHandler]: Unknown extern function __get_free_pages [2022-11-26 00:55:46,908 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_alloc_notrace [2022-11-26 00:55:46,910 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_97ad03b7-292e-4560-bb16-fd64c522a6ef/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] [2022-11-26 00:55:46,912 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:46,913 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:46,913 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:55:46,914 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:55:46,914 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:55:46,915 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:55:46,919 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:55:46,920 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:55:46,936 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:55:46,940 WARN L623 FunctionHandler]: Unknown extern function simple_strtoul [2022-11-26 00:55:46,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:55:46,948 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,950 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,952 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,952 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:46,953 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,956 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,957 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,958 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,958 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,963 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,964 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,965 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,966 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,966 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,968 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,969 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,972 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,972 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,972 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,973 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,974 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,974 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,974 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,976 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,976 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,978 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,979 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,981 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:55:46,981 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:55:46,981 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:55:46,982 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:46,983 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,983 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:46,983 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,985 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:46,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:46,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,017 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,018 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,025 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:47,025 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:47,026 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:55:47,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,040 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:55:47,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,041 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-11-26 00:55:47,042 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:47,042 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:55:47,043 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:47,044 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:47,045 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:47,047 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-11-26 00:55:47,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,048 WARN L623 FunctionHandler]: Unknown extern function cdev_add [2022-11-26 00:55:47,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,049 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:55:47,050 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:47,051 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:47,051 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:47,052 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:47,052 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:55:47,053 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:55:47,057 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:55:47,058 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:55:47,058 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:47,059 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:47,059 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:55:47,061 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:47,062 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:55:47,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,069 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:55:47,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:55:47,070 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:55:47,072 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:55:47,081 WARN L623 FunctionHandler]: Unknown extern function cdev_del [2022-11-26 00:55:47,081 WARN L623 FunctionHandler]: Unknown extern function cdev_init [2022-11-26 00:55:47,082 WARN L623 FunctionHandler]: Unknown extern function alloc_chrdev_region [2022-11-26 00:55:47,082 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:47,083 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_register_driver [2022-11-26 00:55:47,083 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:47,083 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:47,084 WARN L623 FunctionHandler]: Unknown extern function class_destroy [2022-11-26 00:55:47,084 WARN L623 FunctionHandler]: Unknown extern function unregister_chrdev_region [2022-11-26 00:55:47,084 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unregister_driver [2022-11-26 00:55:47,086 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:47,089 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:47,090 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:55:47,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:55:47,214 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:55:47,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47 WrapperNode [2022-11-26 00:55:47,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:55:47,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:47,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:55:47,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:55:47,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,531 INFO L138 Inliner]: procedures = 219, calls = 1278, calls flagged for inlining = 89, calls inlined = 89, statements flattened = 3387 [2022-11-26 00:55:47,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:55:47,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:55:47,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:55:47,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:55:47,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:55:47,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:55:47,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:55:47,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:55:47,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (1/1) ... [2022-11-26 00:55:47,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:55:47,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:55:47,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:55:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:55:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_free [2022-11-26 00:55:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_free [2022-11-26 00:55:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-26 00:55:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:55:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:55:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:55:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure get_gadget_data [2022-11-26 00:55:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_gadget_data [2022-11-26 00:55:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_free_request [2022-11-26 00:55:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_free_request [2022-11-26 00:55:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure printer_reset_interface [2022-11-26 00:55:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_reset_interface [2022-11-26 00:55:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:55:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:55:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:55:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:55:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure printer_soft_reset [2022-11-26 00:55:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_soft_reset [2022-11-26 00:55:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_class [2022-11-26 00:55:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_class [2022-11-26 00:55:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-26 00:55:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-26 00:55:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rx_reqs [2022-11-26 00:55:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rx_reqs [2022-11-26 00:55:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:55:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:55:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:55:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:55:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gadget_vbus_draw [2022-11-26 00:55:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gadget_vbus_draw [2022-11-26 00:55:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:55:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:55:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:55:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:55:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-26 00:55:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-26 00:55:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure printer_fsync [2022-11-26 00:55:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_fsync [2022-11-26 00:55:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:55:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:55:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:55:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:55:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure printer_open [2022-11-26 00:55:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_open [2022-11-26 00:55:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure printer_bind [2022-11-26 00:55:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_bind [2022-11-26 00:55:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:55:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:55:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:55:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:55:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-26 00:55:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-26 00:55:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:55:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:55:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-26 00:55:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-26 00:55:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-26 00:55:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:55:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:55:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:55:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-26 00:55:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-26 00:55:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:55:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:55:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-26 00:55:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:55:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:55:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-26 00:55:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:55:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:55:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-26 00:55:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-26 00:55:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:55:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:55:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:55:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:55:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure printer_req_alloc [2022-11-26 00:55:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_req_alloc [2022-11-26 00:55:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:55:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:55:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-26 00:55:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-26 00:55:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:55:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:55:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:55:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:55:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:55:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:55:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure printer_poll [2022-11-26 00:55:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_poll [2022-11-26 00:55:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:55:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:55:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure set_printer_interface [2022-11-26 00:55:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure set_printer_interface [2022-11-26 00:55:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-26 00:55:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-26 00:55:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_queue [2022-11-26 00:55:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_queue [2022-11-26 00:55:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_interface [2022-11-26 00:55:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_interface [2022-11-26 00:55:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-26 00:55:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup_complete [2022-11-26 00:55:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup_complete [2022-11-26 00:55:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-26 00:55:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-26 00:55:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-26 00:55:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-26 00:55:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-26 00:55:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:55:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:55:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure printer_write [2022-11-26 00:55:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_write [2022-11-26 00:55:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:55:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-26 00:55:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure printer_unbind [2022-11-26 00:55:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_unbind [2022-11-26 00:55:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-26 00:55:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure printer_close [2022-11-26 00:55:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_close [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:55:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-26 00:55:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-26 00:55:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-26 00:55:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure init_utsname [2022-11-26 00:55:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure init_utsname [2022-11-26 00:55:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_enable [2022-11-26 00:55:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_enable [2022-11-26 00:55:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-26 00:55:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-26 00:55:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:55:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:55:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-26 00:55:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-26 00:55:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_autoconfig [2022-11-26 00:55:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_autoconfig [2022-11-26 00:55:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-26 00:55:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-26 00:55:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:55:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:55:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure printer_setup [2022-11-26 00:55:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printer_setup [2022-11-26 00:55:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure set_gadget_data [2022-11-26 00:55:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure set_gadget_data [2022-11-26 00:55:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_disable [2022-11-26 00:55:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_disable [2022-11-26 00:55:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-26 00:55:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-26 00:55:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_region [2022-11-26 00:55:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_region [2022-11-26 00:55:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-26 00:55:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-26 00:55:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-26 00:55:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:55:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:55:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:55:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:55:49,006 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:55:49,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:55:49,185 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:56:27,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:56:27,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:56:27,249 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:56:27,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:27 BoogieIcfgContainer [2022-11-26 00:56:27,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:56:27,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:56:27,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:56:27,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:56:27,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:55:44" (1/3) ... [2022-11-26 00:56:27,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfd3c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:27, skipping insertion in model container [2022-11-26 00:56:27,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:55:47" (2/3) ... [2022-11-26 00:56:27,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfd3c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:56:27, skipping insertion in model container [2022-11-26 00:56:27,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:27" (3/3) ... [2022-11-26 00:56:27,262 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-2b9ec6c-1-106_1a-drivers--usb--gadget--g_printer.ko-entry_point.cil.out.i [2022-11-26 00:56:27,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:56:27,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:56:27,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:56:27,367 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;@2a307c8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:56:27,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:56:27,377 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) [2022-11-26 00:56:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:56:27,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:27,394 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] [2022-11-26 00:56:27,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash -584914783, now seen corresponding path program 1 times [2022-11-26 00:56:27,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:56:27,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124079932] [2022-11-26 00:56:27,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:27,447 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 [2022-11-26 00:56:27,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:56:27,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:56:27,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:56:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:29,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:56:29,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:56:30,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:30,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:56:30,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124079932] [2022-11-26 00:56:30,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124079932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:30,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:30,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:56:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82149580] [2022-11-26 00:56:30,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:30,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:30,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:56:30,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:30,542 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) [2022-11-26 00:56:30,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:30,940 INFO L93 Difference]: Finished difference Result 3537 states and 5263 transitions. [2022-11-26 00:56:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:30,943 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 [2022-11-26 00:56:30,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:30,976 INFO L225 Difference]: With dead ends: 3537 [2022-11-26 00:56:30,976 INFO L226 Difference]: Without dead ends: 2278 [2022-11-26 00:56:30,991 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 [2022-11-26 00:56:30,995 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 1652 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:30,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 3603 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:56:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2022-11-26 00:56:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2274. [2022-11-26 00:56:31,188 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) [2022-11-26 00:56:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 2274 states and 3293 transitions. [2022-11-26 00:56:31,209 INFO L78 Accepts]: Start accepts. Automaton has 2274 states and 3293 transitions. Word has length 56 [2022-11-26 00:56:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:31,210 INFO L495 AbstractCegarLoop]: Abstraction has 2274 states and 3293 transitions. [2022-11-26 00:56:31,210 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) [2022-11-26 00:56:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 3293 transitions. [2022-11-26 00:56:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:56:31,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:31,214 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] [2022-11-26 00:56:31,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Ended with exit code 0 [2022-11-26 00:56:31,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:56:31,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:31,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:31,440 INFO L85 PathProgramCache]: Analyzing trace with hash -953431060, now seen corresponding path program 1 times [2022-11-26 00:56:31,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:56:31,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268559880] [2022-11-26 00:56:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:31,442 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 [2022-11-26 00:56:31,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:56:31,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:56:31,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:56:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:33,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:56:33,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:56:34,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:34,340 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:56:34,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268559880] [2022-11-26 00:56:34,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268559880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:34,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:34,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:56:34,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828756095] [2022-11-26 00:56:34,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:34,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:34,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:56:34,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:34,343 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) [2022-11-26 00:56:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:34,662 INFO L93 Difference]: Finished difference Result 6760 states and 9802 transitions. [2022-11-26 00:56:34,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:34,663 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 [2022-11-26 00:56:34,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:34,698 INFO L225 Difference]: With dead ends: 6760 [2022-11-26 00:56:34,698 INFO L226 Difference]: Without dead ends: 4501 [2022-11-26 00:56:34,711 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 [2022-11-26 00:56:34,712 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 [2022-11-26 00:56:34,713 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] [2022-11-26 00:56:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-11-26 00:56:34,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4493. [2022-11-26 00:56:34,946 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) [2022-11-26 00:56:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 6513 transitions. [2022-11-26 00:56:34,979 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 6513 transitions. Word has length 57 [2022-11-26 00:56:34,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:34,980 INFO L495 AbstractCegarLoop]: Abstraction has 4493 states and 6513 transitions. [2022-11-26 00:56:34,980 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) [2022-11-26 00:56:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 6513 transitions. [2022-11-26 00:56:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:56:34,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:34,983 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] [2022-11-26 00:56:35,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 00:56:35,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:56:35,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:35,208 INFO L85 PathProgramCache]: Analyzing trace with hash -536749712, now seen corresponding path program 1 times [2022-11-26 00:56:35,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:56:35,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627919937] [2022-11-26 00:56:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:35,210 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 [2022-11-26 00:56:35,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:56:35,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:56:35,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:56:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:36,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:56:36,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:56:36,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:36,938 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:56:36,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627919937] [2022-11-26 00:56:36,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627919937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:36,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:36,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:56:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395381781] [2022-11-26 00:56:36,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:36,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:56:36,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:56:36,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:56:36,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:56:36,940 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) [2022-11-26 00:56:39,064 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 [] [2022-11-26 00:56:40,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:40,243 INFO L93 Difference]: Finished difference Result 13209 states and 19171 transitions. [2022-11-26 00:56:40,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:56:40,243 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 [2022-11-26 00:56:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:40,313 INFO L225 Difference]: With dead ends: 13209 [2022-11-26 00:56:40,314 INFO L226 Difference]: Without dead ends: 8731 [2022-11-26 00:56:40,338 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 [2022-11-26 00:56:40,343 INFO L413 NwaCegarLoop]: 2083 mSDtfsCounter, 1623 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:40,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 3678 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:56:40,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-11-26 00:56:40,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 8723. [2022-11-26 00:56:40,839 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) [2022-11-26 00:56:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 12659 transitions. [2022-11-26 00:56:40,889 INFO L78 Accepts]: Start accepts. Automaton has 8723 states and 12659 transitions. Word has length 59 [2022-11-26 00:56:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:40,889 INFO L495 AbstractCegarLoop]: Abstraction has 8723 states and 12659 transitions. [2022-11-26 00:56:40,890 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) [2022-11-26 00:56:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 8723 states and 12659 transitions. [2022-11-26 00:56:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:56:40,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:40,895 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] [2022-11-26 00:56:40,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:56:41,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:56:41,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:41,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:41,112 INFO L85 PathProgramCache]: Analyzing trace with hash -101352454, now seen corresponding path program 1 times [2022-11-26 00:56:41,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:56:41,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337451631] [2022-11-26 00:56:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:41,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:56:41,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:56:41,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:56:41,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:56:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:42,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 1357 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:56:42,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:56:43,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:43,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:56:43,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337451631] [2022-11-26 00:56:43,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1337451631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:43,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:43,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:56:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872747130] [2022-11-26 00:56:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:43,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:56:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:56:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:56:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:56:43,702 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) [2022-11-26 00:56:44,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:56:44,666 INFO L93 Difference]: Finished difference Result 18580 states and 27162 transitions. [2022-11-26 00:56:44,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:56:44,667 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 [2022-11-26 00:56:44,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:56:44,754 INFO L225 Difference]: With dead ends: 18580 [2022-11-26 00:56:44,754 INFO L226 Difference]: Without dead ends: 9872 [2022-11-26 00:56:44,793 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 [2022-11-26 00:56:44,796 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 233 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:56:44,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 7440 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:56:44,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9872 states. [2022-11-26 00:56:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9872 to 8739. [2022-11-26 00:56:45,432 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) [2022-11-26 00:56:45,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8739 states to 8739 states and 12683 transitions. [2022-11-26 00:56:45,489 INFO L78 Accepts]: Start accepts. Automaton has 8739 states and 12683 transitions. Word has length 75 [2022-11-26 00:56:45,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:56:45,490 INFO L495 AbstractCegarLoop]: Abstraction has 8739 states and 12683 transitions. [2022-11-26 00:56:45,490 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) [2022-11-26 00:56:45,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8739 states and 12683 transitions. [2022-11-26 00:56:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-26 00:56:45,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:56:45,495 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] [2022-11-26 00:56:45,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 00:56:45,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:56:45,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:56:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:56:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1238798066, now seen corresponding path program 1 times [2022-11-26 00:56:45,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:56:45,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [96980914] [2022-11-26 00:56:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:56:45,721 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 [2022-11-26 00:56:45,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:56:45,722 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:56:45,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:56:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:56:47,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-26 00:56:47,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:56:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:56:53,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:56:53,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:56:53,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [96980914] [2022-11-26 00:56:53,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [96980914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:56:53,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:56:53,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-26 00:56:53,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847578705] [2022-11-26 00:56:53,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:56:53,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:56:53,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:56:53,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:56:53,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:56:53,487 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) [2022-11-26 00:56:55,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:58,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:00,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:03,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:58:59,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:58:59,236 INFO L93 Difference]: Finished difference Result 25578 states and 37419 transitions. [2022-11-26 00:58:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:58:59,238 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 [2022-11-26 00:58:59,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:58:59,348 INFO L225 Difference]: With dead ends: 25578 [2022-11-26 00:58:59,348 INFO L226 Difference]: Without dead ends: 16854 [2022-11-26 00:58:59,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:58:59,385 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 2662 mSDsluCounter, 20485 mSDsCounter, 0 mSdLazyCounter, 3200 mSolverCounterSat, 248 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 113.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 22634 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 3200 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:58:59,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 22634 Invalid, 3452 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [248 Valid, 3200 Invalid, 4 Unknown, 0 Unchecked, 117.5s Time] [2022-11-26 00:58:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16854 states. [2022-11-26 00:59:00,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16854 to 15152. [2022-11-26 00:59:00,545 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) [2022-11-26 00:59:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15152 states to 15152 states and 22023 transitions. [2022-11-26 00:59:00,637 INFO L78 Accepts]: Start accepts. Automaton has 15152 states and 22023 transitions. Word has length 77 [2022-11-26 00:59:00,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:00,638 INFO L495 AbstractCegarLoop]: Abstraction has 15152 states and 22023 transitions. [2022-11-26 00:59:00,638 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) [2022-11-26 00:59:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 15152 states and 22023 transitions. [2022-11-26 00:59:00,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-26 00:59:00,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:00,641 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] [2022-11-26 00:59:00,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:00,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:59:00,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:59:00,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:00,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1305739619, now seen corresponding path program 1 times [2022-11-26 00:59:00,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:59:00,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628012535] [2022-11-26 00:59:00,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:00,865 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 [2022-11-26 00:59:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:59:00,866 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:59:00,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:59:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:02,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:59:02,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:59:07,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:07,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:59:07,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628012535] [2022-11-26 00:59:07,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628012535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:07,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:07,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:59:07,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170286591] [2022-11-26 00:59:07,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:07,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:07,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:59:07,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:07,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:07,604 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) [2022-11-26 00:59:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:09,080 INFO L93 Difference]: Finished difference Result 45403 states and 66007 transitions. [2022-11-26 00:59:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:09,080 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 [2022-11-26 00:59:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:09,261 INFO L225 Difference]: With dead ends: 45403 [2022-11-26 00:59:09,261 INFO L226 Difference]: Without dead ends: 30263 [2022-11-26 00:59:09,318 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 [2022-11-26 00:59:09,318 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 [2022-11-26 00:59:09,319 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] [2022-11-26 00:59:09,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30263 states. [2022-11-26 00:59:12,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30263 to 30214. [2022-11-26 00:59:12,167 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) [2022-11-26 00:59:12,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30214 states to 30214 states and 43938 transitions. [2022-11-26 00:59:12,362 INFO L78 Accepts]: Start accepts. Automaton has 30214 states and 43938 transitions. Word has length 83 [2022-11-26 00:59:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:12,364 INFO L495 AbstractCegarLoop]: Abstraction has 30214 states and 43938 transitions. [2022-11-26 00:59:12,364 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) [2022-11-26 00:59:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 30214 states and 43938 transitions. [2022-11-26 00:59:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-26 00:59:12,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:12,375 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] [2022-11-26 00:59:12,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:12,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:59:12,591 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:59:12,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1597031166, now seen corresponding path program 1 times [2022-11-26 00:59:12,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:59:12,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455307870] [2022-11-26 00:59:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:12,593 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 [2022-11-26 00:59:12,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:59:12,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:59:12,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:59:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:14,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:59:14,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:59:17,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:17,030 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:59:17,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455307870] [2022-11-26 00:59:17,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455307870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:17,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:17,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:59:17,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885162282] [2022-11-26 00:59:17,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:17,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:59:17,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:59:17,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:59:17,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:17,032 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) [2022-11-26 00:59:19,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:59:21,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:59:21,735 INFO L93 Difference]: Finished difference Result 60420 states and 87861 transitions. [2022-11-26 00:59:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:59:21,736 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 [2022-11-26 00:59:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:59:21,959 INFO L225 Difference]: With dead ends: 60420 [2022-11-26 00:59:21,960 INFO L226 Difference]: Without dead ends: 30221 [2022-11-26 00:59:22,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:59:22,090 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 [2022-11-26 00:59:22,091 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] [2022-11-26 00:59:22,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30221 states. [2022-11-26 00:59:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30221 to 30195. [2022-11-26 00:59:24,655 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) [2022-11-26 00:59:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30195 states to 30195 states and 43903 transitions. [2022-11-26 00:59:24,890 INFO L78 Accepts]: Start accepts. Automaton has 30195 states and 43903 transitions. Word has length 92 [2022-11-26 00:59:24,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:59:24,891 INFO L495 AbstractCegarLoop]: Abstraction has 30195 states and 43903 transitions. [2022-11-26 00:59:24,891 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) [2022-11-26 00:59:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 30195 states and 43903 transitions. [2022-11-26 00:59:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-26 00:59:24,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:59:24,897 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] [2022-11-26 00:59:24,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 00:59:25,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:59:25,123 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:59:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:59:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1938339632, now seen corresponding path program 1 times [2022-11-26 00:59:25,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:59:25,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169384281] [2022-11-26 00:59:25,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:59:25,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:59:25,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:59:25,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 00:59:25,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 00:59:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:59:27,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-26 00:59:27,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:59:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-26 00:59:52,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:59:52,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:59:52,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169384281] [2022-11-26 00:59:52,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169384281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:59:52,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:59:52,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-26 00:59:52,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524272018] [2022-11-26 00:59:52,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:59:52,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-26 00:59:52,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:59:52,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-26 00:59:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-11-26 00:59:52,484 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) [2022-11-26 00:59:54,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:01:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:12,092 INFO L93 Difference]: Finished difference Result 56108 states and 81635 transitions. [2022-11-26 01:01:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-26 01:01:12,096 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 [2022-11-26 01:01:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:12,252 INFO L225 Difference]: With dead ends: 56108 [2022-11-26 01:01:12,253 INFO L226 Difference]: Without dead ends: 25928 [2022-11-26 01:01:12,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 31.9s TimeCoverageRelationStatistics Valid=135, Invalid=1125, Unknown=0, NotChecked=0, Total=1260 [2022-11-26 01:01:12,345 INFO L413 NwaCegarLoop]: 1824 mSDtfsCounter, 2384 mSDsluCounter, 24251 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 246 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.2s 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, 63.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:12,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 26075 Invalid, 2061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [246 Valid, 1814 Invalid, 1 Unknown, 0 Unchecked, 63.9s Time] [2022-11-26 01:01:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25928 states. [2022-11-26 01:01:14,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25928 to 17269. [2022-11-26 01:01:14,065 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) [2022-11-26 01:01:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17269 states to 17269 states and 25080 transitions. [2022-11-26 01:01:14,127 INFO L78 Accepts]: Start accepts. Automaton has 17269 states and 25080 transitions. Word has length 97 [2022-11-26 01:01:14,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:14,128 INFO L495 AbstractCegarLoop]: Abstraction has 17269 states and 25080 transitions. [2022-11-26 01:01:14,129 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) [2022-11-26 01:01:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 17269 states and 25080 transitions. [2022-11-26 01:01:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 01:01:14,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:14,134 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] [2022-11-26 01:01:14,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:14,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:14,347 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:14,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:14,347 INFO L85 PathProgramCache]: Analyzing trace with hash -982414442, now seen corresponding path program 1 times [2022-11-26 01:01:14,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:14,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413583177] [2022-11-26 01:01:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:14,348 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 [2022-11-26 01:01:14,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:14,349 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:14,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:16,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:01:16,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:01:17,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:17,357 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:17,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413583177] [2022-11-26 01:01:17,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413583177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:17,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:17,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:01:17,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892305867] [2022-11-26 01:01:17,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:17,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:01:17,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:17,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:01:17,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:01:17,360 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) [2022-11-26 01:01:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:21,078 INFO L93 Difference]: Finished difference Result 33102 states and 48187 transitions. [2022-11-26 01:01:21,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:21,079 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 [2022-11-26 01:01:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:21,157 INFO L225 Difference]: With dead ends: 33102 [2022-11-26 01:01:21,157 INFO L226 Difference]: Without dead ends: 15848 [2022-11-26 01:01:21,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:01:21,206 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 [2022-11-26 01:01:21,206 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] [2022-11-26 01:01:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15848 states. [2022-11-26 01:01:22,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15848 to 13004. [2022-11-26 01:01:22,340 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) [2022-11-26 01:01:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13004 states to 13004 states and 18863 transitions. [2022-11-26 01:01:22,527 INFO L78 Accepts]: Start accepts. Automaton has 13004 states and 18863 transitions. Word has length 104 [2022-11-26 01:01:22,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:22,528 INFO L495 AbstractCegarLoop]: Abstraction has 13004 states and 18863 transitions. [2022-11-26 01:01:22,528 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) [2022-11-26 01:01:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 13004 states and 18863 transitions. [2022-11-26 01:01:22,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 01:01:22,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:22,532 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] [2022-11-26 01:01:22,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:22,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:22,744 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1555550050, now seen corresponding path program 1 times [2022-11-26 01:01:22,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:22,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538750656] [2022-11-26 01:01:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:22,746 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 [2022-11-26 01:01:22,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:22,747 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:24,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:01:24,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:01:26,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:26,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:26,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538750656] [2022-11-26 01:01:26,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538750656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:26,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:26,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:01:26,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597546135] [2022-11-26 01:01:26,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:26,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:01:26,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:26,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:01:26,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:01:26,190 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) [2022-11-26 01:01:29,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:29,293 INFO L93 Difference]: Finished difference Result 14836 states and 21617 transitions. [2022-11-26 01:01:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:29,294 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 [2022-11-26 01:01:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:29,334 INFO L225 Difference]: With dead ends: 14836 [2022-11-26 01:01:29,335 INFO L226 Difference]: Without dead ends: 8383 [2022-11-26 01:01:29,357 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 [2022-11-26 01:01:29,358 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 [2022-11-26 01:01:29,358 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] [2022-11-26 01:01:29,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8383 states. [2022-11-26 01:01:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8383 to 7663. [2022-11-26 01:01:30,484 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) [2022-11-26 01:01:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7663 states to 7663 states and 11077 transitions. [2022-11-26 01:01:30,508 INFO L78 Accepts]: Start accepts. Automaton has 7663 states and 11077 transitions. Word has length 104 [2022-11-26 01:01:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:30,509 INFO L495 AbstractCegarLoop]: Abstraction has 7663 states and 11077 transitions. [2022-11-26 01:01:30,509 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) [2022-11-26 01:01:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7663 states and 11077 transitions. [2022-11-26 01:01:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 01:01:30,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:30,515 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] [2022-11-26 01:01:30,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:30,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:30,716 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:30,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:30,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1339836353, now seen corresponding path program 1 times [2022-11-26 01:01:30,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:30,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189545720] [2022-11-26 01:01:30,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:30,718 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 [2022-11-26 01:01:30,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:30,719 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:30,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:32,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:01:32,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:33,826 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-26 01:01:33,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:33,827 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:33,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189545720] [2022-11-26 01:01:33,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189545720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:33,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:33,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:01:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100052505] [2022-11-26 01:01:33,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:33,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:01:33,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:33,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:01:33,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:01:33,829 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) [2022-11-26 01:01:36,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:36,921 INFO L93 Difference]: Finished difference Result 8456 states and 12330 transitions. [2022-11-26 01:01:36,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:36,922 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 [2022-11-26 01:01:36,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:36,944 INFO L225 Difference]: With dead ends: 8456 [2022-11-26 01:01:36,944 INFO L226 Difference]: Without dead ends: 6308 [2022-11-26 01:01:36,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:01:36,954 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 864 mSDsluCounter, 7569 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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 [2022-11-26 01:01:36,955 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] [2022-11-26 01:01:36,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2022-11-26 01:01:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 5542. [2022-11-26 01:01:37,569 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) [2022-11-26 01:01:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5542 states to 5542 states and 7985 transitions. [2022-11-26 01:01:37,597 INFO L78 Accepts]: Start accepts. Automaton has 5542 states and 7985 transitions. Word has length 107 [2022-11-26 01:01:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:37,597 INFO L495 AbstractCegarLoop]: Abstraction has 5542 states and 7985 transitions. [2022-11-26 01:01:37,597 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) [2022-11-26 01:01:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5542 states and 7985 transitions. [2022-11-26 01:01:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-26 01:01:37,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:37,607 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] [2022-11-26 01:01:37,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:37,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:37,823 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:37,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:37,824 INFO L85 PathProgramCache]: Analyzing trace with hash 133770014, now seen corresponding path program 1 times [2022-11-26 01:01:37,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:37,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389975474] [2022-11-26 01:01:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:37,825 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 [2022-11-26 01:01:37,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:37,827 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:37,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:39,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 01:01:39,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:41,046 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-26 01:01:41,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:41,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:41,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389975474] [2022-11-26 01:01:41,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389975474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:41,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:41,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:01:41,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069571852] [2022-11-26 01:01:41,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:41,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:01:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:01:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:01:41,050 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) [2022-11-26 01:01:44,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:44,161 INFO L93 Difference]: Finished difference Result 11057 states and 15933 transitions. [2022-11-26 01:01:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 01:01:44,162 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 [2022-11-26 01:01:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:44,184 INFO L225 Difference]: With dead ends: 11057 [2022-11-26 01:01:44,185 INFO L226 Difference]: Without dead ends: 5530 [2022-11-26 01:01:44,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-26 01:01:44,206 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 792 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-11-26 01:01:44,206 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] [2022-11-26 01:01:44,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2022-11-26 01:01:44,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5524. [2022-11-26 01:01:44,698 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) [2022-11-26 01:01:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5524 states to 5524 states and 7961 transitions. [2022-11-26 01:01:44,717 INFO L78 Accepts]: Start accepts. Automaton has 5524 states and 7961 transitions. Word has length 110 [2022-11-26 01:01:44,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:44,718 INFO L495 AbstractCegarLoop]: Abstraction has 5524 states and 7961 transitions. [2022-11-26 01:01:44,718 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) [2022-11-26 01:01:44,718 INFO L276 IsEmpty]: Start isEmpty. Operand 5524 states and 7961 transitions. [2022-11-26 01:01:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 01:01:44,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:44,725 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] [2022-11-26 01:01:44,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-11-26 01:01:44,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:44,939 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1120915236, now seen corresponding path program 1 times [2022-11-26 01:01:44,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:44,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520639280] [2022-11-26 01:01:44,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:44,941 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 [2022-11-26 01:01:44,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:44,943 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:44,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:47,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:01:47,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-26 01:01:49,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:49,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:49,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520639280] [2022-11-26 01:01:49,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520639280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:49,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:49,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 01:01:49,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105122565] [2022-11-26 01:01:49,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:49,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:01:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:49,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:01:49,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:01:49,442 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) [2022-11-26 01:01:56,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:56,523 INFO L93 Difference]: Finished difference Result 9999 states and 14388 transitions. [2022-11-26 01:01:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 01:01:56,524 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 [2022-11-26 01:01:56,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:56,539 INFO L225 Difference]: With dead ends: 9999 [2022-11-26 01:01:56,539 INFO L226 Difference]: Without dead ends: 4490 [2022-11-26 01:01:56,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-26 01:01:56,550 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 2676 mSDsluCounter, 8502 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:56,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2676 Valid, 10387 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-26 01:01:56,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-11-26 01:01:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4490. [2022-11-26 01:01:56,990 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) [2022-11-26 01:01:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6444 transitions. [2022-11-26 01:01:57,005 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6444 transitions. Word has length 109 [2022-11-26 01:01:57,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:57,006 INFO L495 AbstractCegarLoop]: Abstraction has 4490 states and 6444 transitions. [2022-11-26 01:01:57,006 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) [2022-11-26 01:01:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6444 transitions. [2022-11-26 01:01:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-26 01:01:57,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:57,014 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] [2022-11-26 01:01:57,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 01:01:57,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:01:57,227 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:01:57,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash 176706842, now seen corresponding path program 1 times [2022-11-26 01:01:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:57,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107027908] [2022-11-26 01:01:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:57,230 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 [2022-11-26 01:01:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:57,232 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:01:57,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:01:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:59,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 01:01:59,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:02:01,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:01,358 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:01,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107027908] [2022-11-26 01:02:01,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107027908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:01,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:01,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:01,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551471345] [2022-11-26 01:02:01,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:01,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:01,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:01,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:01,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:01,362 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) [2022-11-26 01:02:03,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:04,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:04,425 INFO L93 Difference]: Finished difference Result 4494 states and 6446 transitions. [2022-11-26 01:02:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:04,426 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 [2022-11-26 01:02:04,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:04,440 INFO L225 Difference]: With dead ends: 4494 [2022-11-26 01:02:04,440 INFO L226 Difference]: Without dead ends: 4491 [2022-11-26 01:02:04,442 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 [2022-11-26 01:02:04,443 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:04,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 4732 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 01:02:04,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-26 01:02:04,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4489. [2022-11-26 01:02:04,866 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) [2022-11-26 01:02:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6440 transitions. [2022-11-26 01:02:04,877 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6440 transitions. Word has length 120 [2022-11-26 01:02:04,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:04,877 INFO L495 AbstractCegarLoop]: Abstraction has 4489 states and 6440 transitions. [2022-11-26 01:02:04,877 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) [2022-11-26 01:02:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6440 transitions. [2022-11-26 01:02:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 01:02:04,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:04,883 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] [2022-11-26 01:02:04,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:05,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:05,111 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:02:05,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2100800155, now seen corresponding path program 1 times [2022-11-26 01:02:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:05,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315205869] [2022-11-26 01:02:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:05,113 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:05,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:05,115 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:02:05,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:02:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:07,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 01:02:07,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 01:02:09,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:09,331 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:09,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315205869] [2022-11-26 01:02:09,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315205869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:09,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:09,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 01:02:09,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977359887] [2022-11-26 01:02:09,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:09,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 01:02:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:09,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 01:02:09,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 01:02:09,334 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) [2022-11-26 01:02:11,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:16,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:16,643 INFO L93 Difference]: Finished difference Result 5836 states and 8282 transitions. [2022-11-26 01:02:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 01:02:16,643 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 [2022-11-26 01:02:16,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:16,655 INFO L225 Difference]: With dead ends: 5836 [2022-11-26 01:02:16,655 INFO L226 Difference]: Without dead ends: 2301 [2022-11-26 01:02:16,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-11-26 01:02:16,665 INFO L413 NwaCegarLoop]: 1652 mSDtfsCounter, 23 mSDsluCounter, 9888 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:16,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 11540 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-26 01:02:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-11-26 01:02:16,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2254. [2022-11-26 01:02:16,870 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) [2022-11-26 01:02:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3230 transitions. [2022-11-26 01:02:16,876 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3230 transitions. Word has length 124 [2022-11-26 01:02:16,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:16,876 INFO L495 AbstractCegarLoop]: Abstraction has 2254 states and 3230 transitions. [2022-11-26 01:02:16,876 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) [2022-11-26 01:02:16,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3230 transitions. [2022-11-26 01:02:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-26 01:02:16,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:16,882 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] [2022-11-26 01:02:16,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:17,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:17,083 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:02:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:17,084 INFO L85 PathProgramCache]: Analyzing trace with hash 798409525, now seen corresponding path program 1 times [2022-11-26 01:02:17,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:17,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486073004] [2022-11-26 01:02:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:17,085 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 [2022-11-26 01:02:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:17,087 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:02:17,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:02:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:19,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1470 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:02:19,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-26 01:02:20,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:20,120 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:20,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486073004] [2022-11-26 01:02:20,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486073004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:20,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:20,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 01:02:20,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749366243] [2022-11-26 01:02:20,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:20,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:02:20,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:20,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:02:20,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:02:20,122 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) [2022-11-26 01:02:22,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 01:02:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:23,448 INFO L93 Difference]: Finished difference Result 3335 states and 4795 transitions. [2022-11-26 01:02:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:02:23,449 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 [2022-11-26 01:02:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:23,456 INFO L225 Difference]: With dead ends: 3335 [2022-11-26 01:02:23,456 INFO L226 Difference]: Without dead ends: 2227 [2022-11-26 01:02:23,460 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 [2022-11-26 01:02:23,461 INFO L413 NwaCegarLoop]: 3065 mSDtfsCounter, 1554 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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 [2022-11-26 01:02:23,461 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] [2022-11-26 01:02:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-11-26 01:02:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2227. [2022-11-26 01:02:23,690 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) [2022-11-26 01:02:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 3198 transitions. [2022-11-26 01:02:23,697 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 3198 transitions. Word has length 130 [2022-11-26 01:02:23,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:23,697 INFO L495 AbstractCegarLoop]: Abstraction has 2227 states and 3198 transitions. [2022-11-26 01:02:23,698 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) [2022-11-26 01:02:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 3198 transitions. [2022-11-26 01:02:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-26 01:02:23,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:23,701 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] [2022-11-26 01:02:23,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:02:23,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:23,902 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:02:23,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash -281323658, now seen corresponding path program 1 times [2022-11-26 01:02:23,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:23,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457193091] [2022-11-26 01:02:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:23,904 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 [2022-11-26 01:02:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:23,905 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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) [2022-11-26 01:02:23,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:02:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:02:26,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:02:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:02:29,058 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:02:29,059 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:02:29,060 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 01:02:29,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -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 [2022-11-26 01:02:29,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:29,290 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:02:29,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:02:29,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:02:29 BoogieIcfgContainer [2022-11-26 01:02:29,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:02:29,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:02:29,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:02:29,756 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:02:29,756 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:56:27" (3/4) ... [2022-11-26 01:02:29,759 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:02:29,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:02:29,761 INFO L158 Benchmark]: Toolchain (without parser) took 404939.89ms. Allocated memory was 83.9MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 62.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 705.4MB. Max. memory is 16.1GB. [2022-11-26 01:02:29,761 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:29,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2401.77ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 61.9MB in the beginning and 69.6MB in the end (delta: -7.8MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-11-26 01:02:29,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 306.96ms. Allocated memory is still 127.9MB. Free memory was 69.6MB in the beginning and 51.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-26 01:02:29,762 INFO L158 Benchmark]: Boogie Preprocessor took 367.60ms. Allocated memory is still 127.9MB. Free memory was 51.4MB in the beginning and 55.7MB in the end (delta: -4.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-26 01:02:29,763 INFO L158 Benchmark]: RCFGBuilder took 39351.06ms. Allocated memory was 127.9MB in the beginning and 947.9MB in the end (delta: 820.0MB). Free memory was 55.7MB in the beginning and 326.9MB in the end (delta: -271.1MB). Peak memory consumption was 570.9MB. Max. memory is 16.1GB. [2022-11-26 01:02:29,767 INFO L158 Benchmark]: TraceAbstraction took 362499.70ms. Allocated memory was 947.9MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 325.8MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-26 01:02:29,767 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 2.5GB. Free memory is still 1.8GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:02:29,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2401.77ms. Allocated memory was 83.9MB in the beginning and 127.9MB in the end (delta: 44.0MB). Free memory was 61.9MB in the beginning and 69.6MB in the end (delta: -7.8MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 306.96ms. Allocated memory is still 127.9MB. Free memory was 69.6MB in the beginning and 51.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 367.60ms. Allocated memory is still 127.9MB. Free memory was 51.4MB in the beginning and 55.7MB in the end (delta: -4.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * RCFGBuilder took 39351.06ms. Allocated memory was 127.9MB in the beginning and 947.9MB in the end (delta: 820.0MB). Free memory was 55.7MB in the beginning and 326.9MB in the end (delta: -271.1MB). Peak memory consumption was 570.9MB. Max. memory is 16.1GB. * TraceAbstraction took 362499.70ms. Allocated memory was 947.9MB in the beginning and 2.5GB in the end (delta: 1.6GB). Free memory was 325.8MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 2.5GB. Free memory is still 1.8GB. 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: 362.0s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 252.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 23479 SdHoareTripleChecker+Valid, 206.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23143 mSDsluCounter, 144927 SdHoareTripleChecker+Invalid, 197.8s 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, 0.6s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1553 GetRequests, 1435 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 60.4s 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: 15.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 15974 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 20.1s SatisfiabilityAnalysisTime, 56.2s 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 [2022-11-26 01:02:30,018 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-26 01:02:30,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97ad03b7-292e-4560-bb16-fd64c522a6ef/bin/utaipan-ByfvJB40ur/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