/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 12:09:07,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 12:09:07,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 12:09:07,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 12:09:07,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 12:09:07,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 12:09:07,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 12:09:07,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 12:09:07,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 12:09:07,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 12:09:07,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 12:09:07,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 12:09:07,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 12:09:07,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 12:09:07,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 12:09:07,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 12:09:07,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 12:09:07,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 12:09:07,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 12:09:07,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 12:09:07,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 12:09:07,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 12:09:07,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 12:09:07,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 12:09:07,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 12:09:07,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 12:09:07,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 12:09:07,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 12:09:07,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 12:09:07,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 12:09:07,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 12:09:07,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 12:09:07,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 12:09:07,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 12:09:07,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 12:09:07,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 12:09:07,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 12:09:07,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 12:09:07,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 12:09:07,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 12:09:07,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 12:09:07,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-12 12:09:07,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 12:09:07,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 12:09:07,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 12:09:07,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 12:09:07,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 12:09:07,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 12:09:07,638 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 12:09:07,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 12:09:07,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 12:09:07,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 12:09:07,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 12:09:07,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 12:09:07,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 12:09:07,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 12:09:07,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 12:09:07,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 12:09:07,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:09:07,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 12:09:07,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 12:09:07,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 12:09:07,642 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 12:09:07,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 12:09:07,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 12:09:07,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 12:09:07,642 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 12:09:07,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 12:09:07,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 12:09:07,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 12:09:07,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 12:09:07,956 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 12:09:07,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-12 12:09:09,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 12:09:09,630 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 12:09:09,630 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-12 12:09:09,659 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e09abf9/e248fe3d5783450787476c256f0fb3d0/FLAG8c59b2fc5 [2022-12-12 12:09:09,676 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e09abf9/e248fe3d5783450787476c256f0fb3d0 [2022-12-12 12:09:09,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 12:09:09,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 12:09:09,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 12:09:09,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 12:09:09,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 12:09:09,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:09:09" (1/1) ... [2022-12-12 12:09:09,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab69f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:09, skipping insertion in model container [2022-12-12 12:09:09,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:09:09" (1/1) ... [2022-12-12 12:09:09,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 12:09:09,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 12:09:10,243 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-12 12:09:10,471 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-12 12:09:10,481 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-12 12:09:10,494 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-12 12:09:10,609 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-12 12:09:10,610 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-12 12:09:10,611 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-12 12:09:10,612 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-12 12:09:10,618 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-12 12:09:10,620 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-12 12:09:10,621 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-12 12:09:10,621 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-12 12:09:10,798 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:10,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,847 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-12 12:09:10,847 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-12 12:09:10,863 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-12 12:09:10,864 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-12 12:09:10,864 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:10,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:10,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:10,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:10,865 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:10,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,881 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-12 12:09:10,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,884 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,885 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-12 12:09:10,891 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,903 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-12 12:09:10,907 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-12 12:09:10,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:10,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,911 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:10,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:10,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,951 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:10,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,962 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:10,962 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-12 12:09:10,963 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-12 12:09:10,964 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:10,964 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:10,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,971 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:10,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:10,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,980 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-12 12:09:10,981 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:10,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,983 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:10,984 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-12 12:09:10,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,985 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:10,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,988 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:10,988 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:10,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:10,992 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:10,992 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:10,993 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:10,999 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:10,999 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,000 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-12 12:09:11,000 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-12 12:09:11,001 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-12 12:09:11,001 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-12 12:09:11,002 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,003 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,003 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,005 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,007 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-12 12:09:11,007 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,008 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,008 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-12 12:09:11,009 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,009 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-12 12:09:11,009 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,011 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,011 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-12 12:09:11,011 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,012 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-12 12:09:11,016 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-12 12:09:11,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,019 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-12 12:09:11,101 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-12 12:09:11,167 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-12 12:09:11,178 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-12 12:09:11,192 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,193 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,195 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,195 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,196 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,197 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,237 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-12 12:09:11,238 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-12 12:09:11,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-12-12 12:09:11,489 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:09:11,524 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 12:09:11,591 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-12 12:09:11,593 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-12 12:09:11,593 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-12 12:09:11,597 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-12 12:09:11,604 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-12 12:09:11,604 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-12 12:09:11,605 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-12 12:09:11,605 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-12 12:09:11,606 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-12 12:09:11,606 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-12 12:09:11,606 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-12 12:09:11,606 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-12 12:09:11,649 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,653 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-12 12:09:11,653 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:11,654 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-12 12:09:11,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,659 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-12 12:09:11,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,670 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-12 12:09:11,672 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,672 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-12 12:09:11,673 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-12 12:09:11,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:11,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,680 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:11,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,689 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:11,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,710 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:11,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,714 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:11,714 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-12 12:09:11,717 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-12 12:09:11,717 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:11,718 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:11,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,724 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:11,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-12 12:09:11,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,727 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-12 12:09:11,728 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:11,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,729 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:11,729 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-12 12:09:11,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,730 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:11,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,735 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:09:11,735 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:11,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,738 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-12 12:09:11,739 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,740 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-12 12:09:11,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,742 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,743 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-12 12:09:11,743 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-12 12:09:11,743 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-12 12:09:11,743 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-12 12:09:11,744 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,744 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,745 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,747 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-12 12:09:11,747 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,748 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,748 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-12 12:09:11,748 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,748 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-12 12:09:11,749 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,750 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-12 12:09:11,750 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-12 12:09:11,752 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-12 12:09:11,753 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-12 12:09:11,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-12 12:09:11,755 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-12 12:09:11,759 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-12 12:09:11,774 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-12 12:09:11,778 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-12 12:09:11,780 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,781 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,781 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,782 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,782 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,782 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-12 12:09:11,786 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-12 12:09:11,786 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-12 12:09:11,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-12-12 12:09:11,806 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,807 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-12 12:09:11,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:09:11,870 INFO L208 MainTranslator]: Completed translation [2022-12-12 12:09:11,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11 WrapperNode [2022-12-12 12:09:11,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 12:09:11,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 12:09:11,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 12:09:11,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 12:09:11,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:11,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,137 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 6076 [2022-12-12 12:09:12,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 12:09:12,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 12:09:12,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 12:09:12,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 12:09:12,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 12:09:12,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 12:09:12,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 12:09:12,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 12:09:12,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (1/1) ... [2022-12-12 12:09:12,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:09:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:09:12,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 12:09:12,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 12:09:12,441 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-12 12:09:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-12-12 12:09:12,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 12:09:12,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-12 12:09:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-12-12 12:09:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-12-12 12:09:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 12:09:12,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 12:09:12,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 12:09:12,447 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 12:09:12,889 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 12:09:12,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 12:09:16,419 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 12:09:16,453 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 12:09:16,453 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2022-12-12 12:09:16,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:09:16 BoogieIcfgContainer [2022-12-12 12:09:16,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 12:09:16,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 12:09:16,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 12:09:16,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 12:09:16,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 12:09:09" (1/3) ... [2022-12-12 12:09:16,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1347b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:09:16, skipping insertion in model container [2022-12-12 12:09:16,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:09:11" (2/3) ... [2022-12-12 12:09:16,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1347b341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:09:16, skipping insertion in model container [2022-12-12 12:09:16,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:09:16" (3/3) ... [2022-12-12 12:09:16,470 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-12 12:09:16,487 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 12:09:16,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 12:09:16,487 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 12:09:17,515 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-12-12 12:09:17,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6037 places, 6419 transitions, 12874 flow [2022-12-12 12:09:34,657 INFO L130 PetriNetUnfolder]: 684/10166 cut-off events. [2022-12-12 12:09:34,657 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-12 12:09:35,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10189 conditions, 10166 events. 684/10166 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 54097 event pairs, 0 based on Foata normal form. 0/9474 useless extension candidates. Maximal degree in co-relation 9347. Up to 24 conditions per place. [2022-12-12 12:09:35,527 INFO L82 GeneralOperation]: Start removeDead. Operand has 6037 places, 6419 transitions, 12874 flow [2022-12-12 12:09:36,075 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 5993 places, 6373 transitions, 12770 flow [2022-12-12 12:09:36,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 12:09:36,106 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bbd1d52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 12:09:36,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-12 12:09:39,164 INFO L130 PetriNetUnfolder]: 190/4458 cut-off events. [2022-12-12 12:09:39,165 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-12 12:09:39,165 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:09:39,166 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:09:39,167 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-12-12 12:09:39,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:09:39,171 INFO L85 PathProgramCache]: Analyzing trace with hash -779662321, now seen corresponding path program 1 times [2022-12-12 12:09:39,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:09:39,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121867371] [2022-12-12 12:09:39,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:09:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:09:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:09:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:09:42,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:09:42,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121867371] [2022-12-12 12:09:42,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121867371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:09:42,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:09:42,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 12:09:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232798983] [2022-12-12 12:09:42,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:09:42,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 12:09:42,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:09:42,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 12:09:42,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-12 12:09:42,087 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 5766 out of 6421 [2022-12-12 12:09:42,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 5993 places, 6373 transitions, 12770 flow. Second operand has 7 states, 7 states have (on average 5782.142857142857) internal successors, (40475), 7 states have internal predecessors, (40475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 12:09:42,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:09:42,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5766 of 6421 [2022-12-12 12:09:42,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand