/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_DEAD -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 [2022-12-11 23:43:57,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 23:43:57,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 23:43:57,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 23:43:57,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 23:43:57,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 23:43:57,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 23:43:57,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 23:43:57,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 23:43:57,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 23:43:57,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 23:43:57,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 23:43:57,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 23:43:57,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 23:43:57,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 23:43:57,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 23:43:57,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 23:43:57,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 23:43:57,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 23:43:57,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 23:43:57,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 23:43:57,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 23:43:57,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 23:43:57,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 23:43:57,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 23:43:57,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 23:43:57,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 23:43:57,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 23:43:57,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 23:43:57,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 23:43:57,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 23:43:57,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 23:43:57,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 23:43:57,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 23:43:57,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 23:43:57,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 23:43:57,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 23:43:57,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 23:43:57,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 23:43:57,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 23:43:57,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 23:43:57,222 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 [2022-12-11 23:43:57,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 23:43:57,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 23:43:57,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 23:43:57,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 23:43:57,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 23:43:57,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 23:43:57,251 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 23:43:57,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 23:43:57,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 23:43:57,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 23:43:57,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 23:43:57,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 23:43:57,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 23:43:57,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 23:43:57,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 23:43:57,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 23:43:57,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:43:57,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 23:43:57,254 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 23:43:57,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-11 23:43:57,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 23:43:57,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 23:43:57,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 23:43:57,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 23:43:57,547 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 23:43:57,547 INFO L432 ainManager$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 [2022-12-11 23:43:58,488 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 23:43:58,889 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 23:43:58,889 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 [2022-12-11 23:43:58,926 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb6053ec/74c009009d164e23b662fe859af1bd9b/FLAGd94dc6921 [2022-12-11 23:43:58,939 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cb6053ec/74c009009d164e23b662fe859af1bd9b [2022-12-11 23:43:58,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 23:43:58,942 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 23:43:58,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 23:43:58,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 23:43:58,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 23:43:58,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:43:58" (1/1) ... [2022-12-11 23:43:58,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd47e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:43:58, skipping insertion in model container [2022-12-11 23:43:58,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:43:58" (1/1) ... [2022-12-11 23:43:58,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 23:43:59,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 23:43:59,374 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-11 23:43:59,575 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-11 23:43:59,586 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-11 23:43:59,596 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-11 23:43:59,657 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-11 23:43:59,657 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-11 23:43:59,658 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-11 23:43:59,658 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-11 23:43:59,661 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-11 23:43:59,662 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-11 23:43:59,662 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-11 23:43:59,663 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-11 23:43:59,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:43:59,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,777 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-11 23:43:59,779 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-11 23:43:59,784 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-11 23:43:59,785 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-11 23:43:59,785 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:43:59,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:43:59,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:43:59,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:43:59,787 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:43:59,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,795 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-11 23:43:59,797 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,804 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-11 23:43:59,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,811 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-11 23:43:59,816 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-11 23:43:59,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:43:59,823 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,824 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:43:59,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,838 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:43:59,847 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,850 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,853 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,858 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:43:59,860 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,861 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:43:59,861 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-11 23:43:59,862 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-11 23:43:59,863 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:43:59,863 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:43:59,864 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,868 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:43:59,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:43:59,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,877 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-11 23:43:59,878 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:43:59,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,880 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:43:59,880 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-11 23:43:59,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,882 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:43:59,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,884 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:43:59,885 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:43:59,886 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,889 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:43:59,889 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,890 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:43:59,896 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,897 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,897 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-11 23:43:59,898 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-11 23:43:59,898 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-11 23:43:59,898 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-11 23:43:59,900 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,900 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,901 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,902 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,903 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,904 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-11 23:43:59,904 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,905 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,905 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-11 23:43:59,905 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,906 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-11 23:43:59,906 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,907 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-11 23:43:59,908 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:43:59,908 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-11 23:43:59,914 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-11 23:43:59,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:43:59,916 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-11 23:43:59,980 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-11 23:44:00,041 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-11 23:44:00,049 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-11 23:44:00,058 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,058 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,059 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,060 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,060 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,060 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,089 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-11 23:44:00,089 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-11 23:44:00,202 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] [2022-12-11 23:44:00,372 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,373 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,374 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:44:00,406 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 23:44:00,484 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-11 23:44:00,487 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-11 23:44:00,487 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-11 23:44:00,491 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-11 23:44:00,496 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-11 23:44:00,497 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-11 23:44:00,498 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-11 23:44:00,498 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-11 23:44:00,498 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-11 23:44:00,498 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-11 23:44:00,499 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-11 23:44:00,499 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-11 23:44:00,510 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,515 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-11 23:44:00,515 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-11 23:44:00,516 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-11 23:44:00,516 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-11 23:44:00,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:44:00,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:44:00,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:44:00,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:44:00,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-11 23:44:00,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,519 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-11 23:44:00,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,525 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-11 23:44:00,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,527 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-11 23:44:00,528 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-11 23:44:00,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:44:00,531 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,532 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:44:00,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:44:00,548 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,557 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:44:00,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,560 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:44:00,561 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-11 23:44:00,563 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-11 23:44:00,563 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:44:00,564 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:44:00,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,572 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:44:00,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-11 23:44:00,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,576 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-11 23:44:00,576 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:44:00,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,577 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:44:00,577 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-11 23:44:00,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,578 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:44:00,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,579 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 23:44:00,579 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:44:00,579 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,581 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-11 23:44:00,581 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,581 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-11 23:44:00,585 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,586 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,586 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-11 23:44:00,586 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-11 23:44:00,586 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-11 23:44:00,587 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-11 23:44:00,587 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,588 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,590 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,590 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-11 23:44:00,592 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,592 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,592 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-11 23:44:00,592 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,593 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-11 23:44:00,593 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,594 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-11 23:44:00,594 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-11 23:44:00,594 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-11 23:44:00,595 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-11 23:44:00,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-11 23:44:00,596 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-11 23:44:00,599 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-11 23:44:00,608 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-11 23:44:00,611 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-11 23:44:00,613 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,614 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,614 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,614 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,615 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,615 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-11 23:44:00,618 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-11 23:44:00,619 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-11 23:44:00,630 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] [2022-12-11 23:44:00,638 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,638 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,638 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-11 23:44:00,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:44:00,729 INFO L208 MainTranslator]: Completed translation [2022-12-11 23:44:00,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00 WrapperNode [2022-12-11 23:44:00,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 23:44:00,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 23:44:00,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 23:44:00,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 23:44:00,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:00,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:00,941 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 6076 [2022-12-11 23:44:00,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 23:44:00,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 23:44:00,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 23:44:00,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 23:44:00,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:00,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:00,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:00,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,066 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 23:44:01,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 23:44:01,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 23:44:01,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 23:44:01,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (1/1) ... [2022-12-11 23:44:01,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:44:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:44:01,124 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) [2022-12-11 23:44:01,131 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 [2022-12-11 23:44:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-11 23:44:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-11 23:44:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-12-11 23:44:01,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-11 23:44:01,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 23:44:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-11 23:44:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-11 23:44:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-12-11 23:44:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-12-11 23:44:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 23:44:01,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 23:44:01,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 23:44:01,161 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 23:44:01,643 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 23:44:01,644 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 23:44:04,565 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 23:44:04,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 23:44:04,596 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2022-12-11 23:44:04,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:44:04 BoogieIcfgContainer [2022-12-11 23:44:04,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 23:44:04,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 23:44:04,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 23:44:04,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 23:44:04,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 11:43:58" (1/3) ... [2022-12-11 23:44:04,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a221be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:44:04, skipping insertion in model container [2022-12-11 23:44:04,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:44:00" (2/3) ... [2022-12-11 23:44:04,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a221be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:44:04, skipping insertion in model container [2022-12-11 23:44:04,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:44:04" (3/3) ... [2022-12-11 23:44:04,619 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-11 23:44:04,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 23:44:04,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 23:44:04,632 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 23:44:05,375 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-12-11 23:44:05,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6037 places, 6419 transitions, 12874 flow [2022-12-11 23:44:18,519 INFO L130 PetriNetUnfolder]: 684/10166 cut-off events. [2022-12-11 23:44:18,520 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-11 23:44:19,031 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. [2022-12-11 23:44:19,032 INFO L82 GeneralOperation]: Start removeDead. Operand has 6037 places, 6419 transitions, 12874 flow [2022-12-11 23:44:19,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 5993 places, 6373 transitions, 12770 flow [2022-12-11 23:44:19,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 23:44:19,189 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;@10576479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 23:44:19,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-11 23:44:21,865 INFO L130 PetriNetUnfolder]: 190/4458 cut-off events. [2022-12-11 23:44:21,865 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-11 23:44:21,865 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:44:21,867 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] [2022-12-11 23:44:21,867 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)] === [2022-12-11 23:44:21,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:44:21,871 INFO L85 PathProgramCache]: Analyzing trace with hash -779662321, now seen corresponding path program 1 times [2022-12-11 23:44:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:44:21,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190930715] [2022-12-11 23:44:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:44:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:44:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:44:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:44:24,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:44:24,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190930715] [2022-12-11 23:44:24,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190930715] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:44:24,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:44:24,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 23:44:24,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757583134] [2022-12-11 23:44:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:44:24,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 23:44:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:44:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 23:44:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 23:44:24,468 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 5766 out of 6421 [2022-12-11 23:44:24,562 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) [2022-12-11 23:44:24,562 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:44:24,562 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5766 of 6421 [2022-12-11 23:44:24,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand