./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb --- 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-dbf71c6-m [2022-10-17 17:42:02,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:42:02,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:42:02,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:42:02,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:42:02,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:42:02,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:42:02,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:42:02,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:42:02,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:42:02,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:42:02,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:42:02,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:42:02,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:42:02,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:42:02,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:42:02,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:42:02,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:42:02,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:42:02,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:42:02,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:42:02,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:42:02,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:42:02,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:42:02,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:42:02,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:42:02,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:42:02,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:42:02,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:42:02,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:42:02,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:42:02,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:42:02,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:42:02,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:42:02,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:42:02,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:42:02,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:42:02,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:42:02,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:42:02,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:42:02,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:42:02,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:42:02,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:42:02,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:42:02,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:42:02,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:42:02,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:42:02,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:42:02,633 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:42:02,633 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:42:02,633 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:42:02,634 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:42:02,634 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:42:02,635 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:42:02,635 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:42:02,635 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:42:02,635 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:42:02,636 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:42:02,636 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:42:02,636 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:42:02,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:42:02,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:42:02,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:42:02,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:42:02,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:42:02,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:42:02,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:42:02,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:42:02,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:42:02,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:42:02,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:42:02,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:02,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:42:02,641 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:42:02,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:42:02,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:42:02,642 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:42:02,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:42:02,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:42:02,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:42:02,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb [2022-10-17 17:42:02,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:42:02,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:42:02,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:42:02,950 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:42:02,951 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:42:02,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2022-10-17 17:42:03,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/data/0b0f826e3/c4a37091ac4440ba92f0789981ccef15/FLAGbfde17c8e [2022-10-17 17:42:04,013 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:42:04,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2022-10-17 17:42:04,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/data/0b0f826e3/c4a37091ac4440ba92f0789981ccef15/FLAGbfde17c8e [2022-10-17 17:42:04,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/data/0b0f826e3/c4a37091ac4440ba92f0789981ccef15 [2022-10-17 17:42:04,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:42:04,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:42:04,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:04,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:42:04,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:42:04,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:04" (1/1) ... [2022-10-17 17:42:04,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aca1785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:04, skipping insertion in model container [2022-10-17 17:42:04,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:42:04" (1/1) ... [2022-10-17 17:42:04,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:42:04,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:42:07,694 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2022-10-17 17:42:07,699 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2022-10-17 17:42:07,699 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2022-10-17 17:42:07,700 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2022-10-17 17:42:07,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:07,843 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:42:08,266 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2022-10-17 17:42:08,267 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2022-10-17 17:42:08,267 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2022-10-17 17:42:08,268 WARN L230 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_e43b9b77-5d85-4bfe-9408-d66928c66893/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2022-10-17 17:42:08,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:42:08,731 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:42:08,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08 WrapperNode [2022-10-17 17:42:08,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:42:08,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:08,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:42:08,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:42:08,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:08,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,090 INFO L138 Inliner]: procedures = 398, calls = 3706, calls flagged for inlining = 224, calls inlined = 212, statements flattened = 6784 [2022-10-17 17:42:09,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:42:09,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:42:09,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:42:09,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:42:09,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:42:09,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:42:09,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:42:09,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:42:09,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (1/1) ... [2022-10-17 17:42:09,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:42:09,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:42:09,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:42:09,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e43b9b77-5d85-4bfe-9408-d66928c66893/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:42:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2022-10-17 17:42:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2022-10-17 17:42:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_medium_mode [2022-10-17 17:42:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_medium_mode [2022-10-17 17:42:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2022-10-17 17:42:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2022-10-17 17:42:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:42:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:42:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2022-10-17 17:42:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2022-10-17 17:42:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2022-10-17 17:42:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2022-10-17 17:42:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:42:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:42:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_rx_ctl [2022-10-17 17:42:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_rx_ctl [2022-10-17 17:42:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_stop [2022-10-17 17:42:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_stop [2022-10-17 17:42:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2022-10-17 17:42:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2022-10-17 17:42:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_reset [2022-10-17 17:42:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_reset [2022-10-17 17:42:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-17 17:42:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-10-17 17:42:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2022-10-17 17:42:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2022-10-17 17:42:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_write [2022-10-17 17:42:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_write [2022-10-17 17:42:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure asix_status [2022-10-17 17:42:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_status [2022-10-17 17:42:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_rx_ctl [2022-10-17 17:42:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_rx_ctl [2022-10-17 17:42:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2022-10-17 17:42:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2022-10-17 17:42:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-17 17:42:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-17 17:42:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_eeprom [2022-10-17 17:42:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_eeprom [2022-10-17 17:42:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 17:42:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 17:42:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 17:42:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 17:42:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-17 17:42:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-17 17:42:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 17:42:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 17:42:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:42:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:42:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 17:42:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 17:42:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset_phy [2022-10-17 17:42:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset_phy [2022-10-17 17:42:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:42:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_unbind [2022-10-17 17:42:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_unbind [2022-10-17 17:42:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_link_reset [2022-10-17 17:42:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_link_reset [2022-10-17 17:42:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:42:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:42:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2022-10-17 17:42:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2022-10-17 17:42:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_netdev_dev_addr [2022-10-17 17:42:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_netdev_dev_addr [2022-10-17 17:42:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_bind [2022-10-17 17:42:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_bind [2022-10-17 17:42:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:42:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-10-17 17:42:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-10-17 17:42:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:42:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 17:42:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 17:42:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-10-17 17:42:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-10-17 17:42:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_bind [2022-10-17 17:42:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_bind [2022-10-17 17:42:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:42:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:42:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:42:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_phy_addr [2022-10-17 17:42:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_phy_addr [2022-10-17 17:42:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 17:42:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 17:42:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2022-10-17 17:42:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2022-10-17 17:42:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_internal [2022-10-17 17:42:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_internal [2022-10-17 17:42:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:42:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 17:42:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 17:42:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 17:42:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 17:42:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:42:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 17:42:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 17:42:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom_len [2022-10-17 17:42:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom_len [2022-10-17 17:42:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 17:42:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 17:42:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:42:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:42:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:42:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_wol [2022-10-17 17:42:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_wol [2022-10-17 17:42:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:42:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 17:42:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-10-17 17:42:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-10-17 17:42:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd_async [2022-10-17 17:42:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd_async [2022-10-17 17:42:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_unbind [2022-10-17 17:42:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_unbind [2022-10-17 17:42:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset [2022-10-17 17:42:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset [2022-10-17 17:42:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_link_reset [2022-10-17 17:42:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_link_reset [2022-10-17 17:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2022-10-17 17:42:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2022-10-17 17:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:42:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_drvinfo [2022-10-17 17:42:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_drvinfo [2022-10-17 17:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_hw_mii [2022-10-17 17:42:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_hw_mii [2022-10-17 17:42:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:42:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 17:42:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2022-10-17 17:42:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-10-17 17:42:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:42:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:42:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:42:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_set_settings [2022-10-17 17:42:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_set_settings [2022-10-17 17:42:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_reset [2022-10-17 17:42:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_reset [2022-10-17 17:42:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-10-17 17:42:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-10-17 17:42:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phyid [2022-10-17 17:42:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phyid [2022-10-17 17:42:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-10-17 17:42:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-10-17 17:42:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-10-17 17:42:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-10-17 17:42:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure asix_tx_fixup [2022-10-17 17:42:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_tx_fixup [2022-10-17 17:42:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 17:42:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 17:42:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:42:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-17 17:42:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2022-10-17 17:42:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-10-17 17:42:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure asix_sw_reset [2022-10-17 17:42:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_sw_reset [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:42:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_bind [2022-10-17 17:42:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_bind [2022-10-17 17:42:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phy_addr [2022-10-17 17:42:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phy_addr [2022-10-17 17:42:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd [2022-10-17 17:42:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd [2022-10-17 17:42:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 17:42:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 17:42:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_medium_status [2022-10-17 17:42:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_medium_status [2022-10-17 17:42:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:42:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:42:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_cmd [2022-10-17 17:42:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_cmd [2022-10-17 17:42:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:42:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:42:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:42:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:42:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_nway_reset [2022-10-17 17:42:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_nway_reset [2022-10-17 17:42:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 17:42:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 17:42:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:42:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:42:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_gpio [2022-10-17 17:42:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_gpio [2022-10-17 17:42:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 17:42:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 17:42:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_read [2022-10-17 17:42:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_read [2022-10-17 17:42:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-10-17 17:42:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-10-17 17:42:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_link_reset [2022-10-17 17:42:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_link_reset [2022-10-17 17:42:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-10-17 17:42:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2022-10-17 17:42:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:42:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:42:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:42:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:42:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 17:42:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 17:42:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:42:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:42:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:42:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_adjust_link [2022-10-17 17:42:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_adjust_link [2022-10-17 17:42:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_set_multicast [2022-10-17 17:42:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_set_multicast [2022-10-17 17:42:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_rx_fixup [2022-10-17 17:42:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_rx_fixup [2022-10-17 17:42:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_sw_mii [2022-10-17 17:42:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_sw_mii [2022-10-17 17:42:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_bind [2022-10-17 17:42:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_bind [2022-10-17 17:42:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_status [2022-10-17 17:42:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_status [2022-10-17 17:42:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_common [2022-10-17 17:42:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_common [2022-10-17 17:42:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 17:42:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 17:42:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2022-10-17 17:42:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2022-10-17 17:42:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-10-17 17:42:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-10-17 17:42:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:42:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom [2022-10-17 17:42:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom [2022-10-17 17:42:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 17:42:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 17:42:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_wol [2022-10-17 17:42:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_wol [2022-10-17 17:42:10,943 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:42:10,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:42:11,360 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:42:23,102 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 17:42:23,263 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:42:25,513 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:42:25,513 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:42:25,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:25 BoogieIcfgContainer [2022-10-17 17:42:25,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:42:25,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:42:25,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:42:25,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:42:25,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:42:04" (1/3) ... [2022-10-17 17:42:25,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e06f439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:25, skipping insertion in model container [2022-10-17 17:42:25,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:42:08" (2/3) ... [2022-10-17 17:42:25,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e06f439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:42:25, skipping insertion in model container [2022-10-17 17:42:25,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:42:25" (3/3) ... [2022-10-17 17:42:25,528 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2022-10-17 17:42:25,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:42:25,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 17:42:25,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:42:25,645 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73bbd258, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:42:25,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 17:42:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 1743 states, 1047 states have (on average 1.320916905444126) internal successors, (1383), 1058 states have internal predecessors, (1383), 586 states have call successors, (586), 109 states have call predecessors, (586), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2022-10-17 17:42:25,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-10-17 17:42:25,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:25,699 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:25,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 17:42:25,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:25,704 INFO L85 PathProgramCache]: Analyzing trace with hash 998934615, now seen corresponding path program 1 times [2022-10-17 17:42:25,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:25,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207077308] [2022-10-17 17:42:25,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:25,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5703 trivial. 0 not checked. [2022-10-17 17:42:27,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:27,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207077308] [2022-10-17 17:42:27,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207077308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:27,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:27,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:27,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84815911] [2022-10-17 17:42:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:27,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:27,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:27,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:27,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:27,625 INFO L87 Difference]: Start difference. First operand has 1743 states, 1047 states have (on average 1.320916905444126) internal successors, (1383), 1058 states have internal predecessors, (1383), 586 states have call successors, (586), 109 states have call predecessors, (586), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-10-17 17:42:31,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:42:31,161 INFO L93 Difference]: Finished difference Result 4996 states and 7409 transitions. [2022-10-17 17:42:31,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:42:31,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 404 [2022-10-17 17:42:31,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:42:31,234 INFO L225 Difference]: With dead ends: 4996 [2022-10-17 17:42:31,234 INFO L226 Difference]: Without dead ends: 3319 [2022-10-17 17:42:31,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:31,258 INFO L413 NwaCegarLoop]: 2652 mSDtfsCounter, 2350 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 4748 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:42:31,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 4748 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-17 17:42:31,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2022-10-17 17:42:31,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 3315. [2022-10-17 17:42:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3315 states, 2008 states have (on average 1.3202191235059761) internal successors, (2651), 2027 states have internal predecessors, (2651), 1092 states have call successors, (1092), 213 states have call predecessors, (1092), 212 states have return successors, (1088), 1078 states have call predecessors, (1088), 1088 states have call successors, (1088) [2022-10-17 17:42:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 3315 states and 4831 transitions. [2022-10-17 17:42:31,582 INFO L78 Accepts]: Start accepts. Automaton has 3315 states and 4831 transitions. Word has length 404 [2022-10-17 17:42:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:42:31,585 INFO L495 AbstractCegarLoop]: Abstraction has 3315 states and 4831 transitions. [2022-10-17 17:42:31,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-10-17 17:42:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 4831 transitions. [2022-10-17 17:42:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-10-17 17:42:31,605 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:42:31,605 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:42:31,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:42:31,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 17:42:31,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:42:31,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1707492394, now seen corresponding path program 1 times [2022-10-17 17:42:31,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:42:31,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454251393] [2022-10-17 17:42:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:42:31,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:42:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:42:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5706 trivial. 0 not checked. [2022-10-17 17:42:32,785 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:42:32,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454251393] [2022-10-17 17:42:32,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454251393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:42:32,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:42:32,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:42:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951993295] [2022-10-17 17:42:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:42:32,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:42:32,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:42:32,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:42:32,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:42:32,792 INFO L87 Difference]: Start difference. First operand 3315 states and 4831 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49)