./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:16:38,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:16:38,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:16:38,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:16:38,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:16:38,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:16:38,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:16:38,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:16:38,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:16:38,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:16:38,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:16:38,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:16:38,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:16:38,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:16:38,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:16:38,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:16:38,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:16:38,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:16:38,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:16:38,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:16:38,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:16:38,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:16:38,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:16:38,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:16:38,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:16:38,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:16:38,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:16:38,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:16:38,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:16:38,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:16:38,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:16:38,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:16:38,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:16:38,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:16:38,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:16:38,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:16:38,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:16:38,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:16:38,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:16:38,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:16:38,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:16:38,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:16:38,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:16:38,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:16:38,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:16:38,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:16:38,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:16:38,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:16:38,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:16:38,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:16:38,585 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:16:38,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:16:38,585 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:16:38,585 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:16:38,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:16:38,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:16:38,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:16:38,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:16:38,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:16:38,588 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21289ad0260bc29d79b2bd61c2535ad4b8522ed30b4caa2844d314826a0bd1c [2022-12-13 12:16:38,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:16:38,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:16:38,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:16:38,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:16:38,789 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:16:38,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-13 12:16:41,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:16:41,621 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:16:41,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-13 12:16:41,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/data/9879a7508/e996bc9e6a434c5ea59312bf854b1d58/FLAGbf79b6b01 [2022-12-13 12:16:41,874 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/data/9879a7508/e996bc9e6a434c5ea59312bf854b1d58 [2022-12-13 12:16:41,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:16:41,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:16:41,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:16:41,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:16:41,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:16:41,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:16:41" (1/1) ... [2022-12-13 12:16:41,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf64fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:41, skipping insertion in model container [2022-12-13 12:16:41,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:16:41" (1/1) ... [2022-12-13 12:16:41,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:16:41,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:16:42,290 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:16:42,390 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:16:42,396 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:16:42,401 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:16:42,449 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:16:42,450 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:16:42,451 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:16:42,451 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 12:16:42,455 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:16:42,456 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:16:42,456 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:16:42,457 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 12:16:42,525 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:42,542 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,547 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 12:16:42,548 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 12:16:42,551 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 12:16:42,551 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 12:16:42,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:42,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:42,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:42,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:42,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:42,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,559 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:16:42,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,565 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:16:42,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,571 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:16:42,575 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 12:16:42,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:42,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,580 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:42,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:42,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,609 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,612 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:42,614 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,616 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:42,616 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:16:42,617 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 12:16:42,618 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:42,618 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:42,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,622 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,624 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:42,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:42,632 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,632 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:16:42,633 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:42,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,636 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:42,637 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 12:16:42,638 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,639 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:42,641 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,642 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:42,642 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:42,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,648 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:42,648 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,649 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:42,654 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,655 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:16:42,655 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:16:42,656 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:16:42,656 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:16:42,658 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,659 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,660 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,661 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,663 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,664 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 12:16:42,664 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,665 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,665 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 12:16:42,665 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,666 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 12:16:42,666 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,667 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,668 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 12:16:42,668 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:42,668 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:16:42,672 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 12:16:42,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:42,674 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:16:42,730 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 12:16:42,770 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-13 12:16:42,774 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:16:42,779 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,779 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,781 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,781 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,781 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,782 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:42,811 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:16:42,811 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:16:42,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-12-13 12:16:43,088 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,089 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,089 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:16:43,107 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:16:43,170 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:16:43,173 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 12:16:43,173 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 12:16:43,174 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:16:43,177 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:16:43,177 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:16:43,178 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:16:43,178 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 12:16:43,179 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:16:43,179 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:16:43,179 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:16:43,180 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 12:16:43,188 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,192 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,194 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 12:16:43,195 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 12:16:43,195 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 12:16:43,196 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 12:16:43,196 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:43,196 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:43,196 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:43,197 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:43,197 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:16:43,199 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,201 WARN L623 FunctionHandler]: Unknown extern function memcpy [2022-12-13 12:16:43,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,205 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:16:43,207 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,208 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:16:43,209 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 12:16:43,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:43,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,213 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:43,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,218 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:43,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,232 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,233 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:43,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,236 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:43,236 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:16:43,237 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 12:16:43,238 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:43,238 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:43,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,241 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,242 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:43,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:16:43,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,246 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:16:43,247 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:43,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,248 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:43,249 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 12:16:43,249 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,250 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:43,251 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,251 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:16:43,252 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:43,252 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,253 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,254 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 12:16:43,255 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,255 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:16:43,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,257 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,258 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:16:43,258 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:16:43,258 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:16:43,258 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:16:43,259 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,260 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,260 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,261 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,262 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,262 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 12:16:43,263 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,263 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,263 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 12:16:43,264 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,264 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 12:16:43,264 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,265 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 12:16:43,265 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 12:16:43,266 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:16:43,267 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 12:16:43,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 12:16:43,268 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 12:16:43,272 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-13 12:16:43,282 WARN L623 FunctionHandler]: Unknown extern function ldv_failed_usb_register_driver [2022-12-13 12:16:43,285 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 12:16:43,287 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,288 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,289 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,289 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,289 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,289 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 12:16:43,293 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 12:16:43,293 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 12:16:43,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/sv-benchmarks/c/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-12-13 12:16:43,309 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,310 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,310 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:16:43,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:16:43,356 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:16:43,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43 WrapperNode [2022-12-13 12:16:43,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:16:43,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:16:43,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:16:43,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:16:43,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,502 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5829 [2022-12-13 12:16:43,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:16:43,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:16:43,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:16:43,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:16:43,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:16:43,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:16:43,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:16:43,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:16:43,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (1/1) ... [2022-12-13 12:16:43,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:16:43,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:16:43,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:16:43,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07081a5-7901-414f-a2e7-0a9215d8c9ff/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:16:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-13 12:16:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-12-13 12:16:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-12-13 12:16:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:16:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-12-13 12:16:43,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 12:16:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-12-13 12:16:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-12-13 12:16:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:16:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:16:43,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:16:43,724 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 12:16:44,104 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:16:44,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:16:47,380 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:16:47,404 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:16:47,404 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-12-13 12:16:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:16:47 BoogieIcfgContainer [2022-12-13 12:16:47,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:16:47,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:16:47,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:16:47,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:16:47,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:16:41" (1/3) ... [2022-12-13 12:16:47,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bd08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:16:47, skipping insertion in model container [2022-12-13 12:16:47,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:16:43" (2/3) ... [2022-12-13 12:16:47,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653bd08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:16:47, skipping insertion in model container [2022-12-13 12:16:47,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:16:47" (3/3) ... [2022-12-13 12:16:47,426 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-12-13 12:16:47,435 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:16:47,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:16:47,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-12-13 12:16:47,446 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:16:48,201 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-12-13 12:16:48,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6722 places, 7038 transitions, 14112 flow [2022-12-13 12:17:04,348 INFO L130 PetriNetUnfolder]: 560/11073 cut-off events. [2022-12-13 12:17:04,349 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 12:17:04,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11096 conditions, 11073 events. 560/11073 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 58674 event pairs, 0 based on Foata normal form. 0/10401 useless extension candidates. Maximal degree in co-relation 10218. Up to 24 conditions per place. [2022-12-13 12:17:04,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 6722 places, 7038 transitions, 14112 flow [2022-12-13 12:17:05,057 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6670 places, 6984 transitions, 13992 flow [2022-12-13 12:17:05,060 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:17:05,068 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6670 places, 6984 transitions, 13992 flow [2022-12-13 12:17:05,069 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6670 places, 6984 transitions, 13992 flow [2022-12-13 12:17:05,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6670 places, 6984 transitions, 13992 flow [2022-12-13 12:17:20,429 INFO L130 PetriNetUnfolder]: 560/11073 cut-off events. [2022-12-13 12:17:20,430 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 12:17:20,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11096 conditions, 11073 events. 560/11073 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 58673 event pairs, 0 based on Foata normal form. 0/10401 useless extension candidates. Maximal degree in co-relation 10218. Up to 24 conditions per place. [2022-12-13 12:17:24,327 INFO L119 LiptonReduction]: Number of co-enabled transitions 16844738 [2022-12-13 12:22:18,996 WARN L233 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 1116 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:22:28,304 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification that was a NOOP. DAG size: 1116 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:22:35,903 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 1121 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:22:43,677 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 1121 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:22:53,976 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 1064 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:23:17,433 WARN L233 SmtUtils]: Spent 13.60s on a formula simplification that was a NOOP. DAG size: 1663 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:23:29,926 WARN L233 SmtUtils]: Spent 12.49s on a formula simplification that was a NOOP. DAG size: 1663 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:23:41,515 WARN L233 SmtUtils]: Spent 11.58s on a formula simplification that was a NOOP. DAG size: 1663 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:23:52,891 WARN L233 SmtUtils]: Spent 11.37s on a formula simplification that was a NOOP. DAG size: 1663 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:24:29,952 WARN L233 SmtUtils]: Spent 37.02s on a formula simplification that was a NOOP. DAG size: 2719 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:25:07,511 WARN L233 SmtUtils]: Spent 37.56s on a formula simplification that was a NOOP. DAG size: 2719 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:26:49,368 WARN L233 SmtUtils]: Spent 1.70m on a formula simplification that was a NOOP. DAG size: 2724 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:28:29,495 WARN L233 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 2724 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:28:29,549 INFO L134 LiptonReduction]: Checked pairs total: 20453562 [2022-12-13 12:28:29,549 INFO L136 LiptonReduction]: Total number of compositions: 7888 [2022-12-13 12:28:29,561 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:28:29,564 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@3efc3f21, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:28:29,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2022-12-13 12:28:29,607 INFO L130 PetriNetUnfolder]: 22/125 cut-off events. [2022-12-13 12:28:29,607 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 12:28:29,607 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:28:29,607 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:28:29,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_character_driver_scenario_2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 123 more)] === [2022-12-13 12:28:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:28:29,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1004097687, now seen corresponding path program 1 times [2022-12-13 12:28:29,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:28:29,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895133885] [2022-12-13 12:28:29,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:28:29,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:28:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:28:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:28:30,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:28:30,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895133885] [2022-12-13 12:28:30,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895133885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:28:30,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:28:30,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:28:30,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789875098] [2022-12-13 12:28:30,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:28:30,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:28:30,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:28:30,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:28:30,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:28:30,096 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 6832 out of 14928 [2022-12-13 12:28:30,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 817 transitions, 1658 flow. Second operand has 3 states, 3 states have (on average 6838.0) internal successors, (20514), 3 states have internal predecessors, (20514), 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) [2022-12-13 12:28:30,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:28:30,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6832 of 14928 [2022-12-13 12:28:30,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand