./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 0f1a59e3fe28583d669f3a9c734ebc5395c61cae2e7711aea93760782e80de65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:58,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:58,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:14:58,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:58,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:58,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:58,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:58,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:58,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:58,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:58,910 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:58,910 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:58,911 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:58,912 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:58,912 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:58,913 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:58,914 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:58,914 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:58,915 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:58,916 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:58,916 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:58,917 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:58,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:58,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:58,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:58,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:58,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:58,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:58,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:58,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:58,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:58,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:58,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:58,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:58,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:58,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:58,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:58,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:58,927 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:58,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:58,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:58,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:58,929 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:58,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:58,930 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f1a59e3fe28583d669f3a9c734ebc5395c61cae2e7711aea93760782e80de65 [2023-11-24 23:14:59,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:59,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:59,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:59,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:59,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:59,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i [2023-11-24 23:15:02,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:03,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:03,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i [2023-11-24 23:15:03,189 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/data/7adcc2882/c7fa9db6972742f3b81e7735d259c94a/FLAG3b427d753 [2023-11-24 23:15:03,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/data/7adcc2882/c7fa9db6972742f3b81e7735d259c94a [2023-11-24 23:15:03,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:03,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:03,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:03,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:03,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:03,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:03" (1/1) ... [2023-11-24 23:15:03,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f54970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:03, skipping insertion in model container [2023-11-24 23:15:03,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:03" (1/1) ... [2023-11-24 23:15:03,459 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:07,175 WARN L240 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i[410722,410735] [2023-11-24 23:15:07,180 WARN L240 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i[410867,410880] [2023-11-24 23:15:07,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:07,329 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:07,785 WARN L240 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i[410722,410735] [2023-11-24 23:15:07,785 WARN L240 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_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i[410867,410880] [2023-11-24 23:15:07,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:08,280 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:08,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08 WrapperNode [2023-11-24 23:15:08,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:08,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:08,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:08,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:08,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,720 INFO L138 Inliner]: procedures = 459, calls = 3973, calls flagged for inlining = 222, calls inlined = 206, statements flattened = 7049 [2023-11-24 23:15:08,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:08,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:08,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:08,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:08,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:08,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:09,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:09,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:09,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:09,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:09,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:09,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:09,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:09,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (1/1) ... [2023-11-24 23:15:09,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:09,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:09,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:09,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ab295b8-c7b8-4f90-b994-cab0ff3ee730/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_medium_mode [2023-11-24 23:15:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_medium_mode [2023-11-24 23:15:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-11-24 23:15:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-11-24 23:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:15:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:15:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-24 23:15:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-24 23:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2023-11-24 23:15:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2023-11-24 23:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:15:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_rx_ctl [2023-11-24 23:15:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_rx_ctl [2023-11-24 23:15:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_stop [2023-11-24 23:15:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_stop [2023-11-24 23:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2023-11-24 23:15:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2023-11-24 23:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_reset [2023-11-24 23:15:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_reset [2023-11-24 23:15:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:15:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:15:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-24 23:15:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-24 23:15:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2023-11-24 23:15:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2023-11-24 23:15:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-24 23:15:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-24 23:15:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_write [2023-11-24 23:15:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_write [2023-11-24 23:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure asix_status [2023-11-24 23:15:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_status [2023-11-24 23:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_rx_ctl [2023-11-24 23:15:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_rx_ctl [2023-11-24 23:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2023-11-24 23:15:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2023-11-24 23:15:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-24 23:15:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-24 23:15:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_eeprom [2023-11-24 23:15:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_eeprom [2023-11-24 23:15:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:15:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:15:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:15:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:15:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:15:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:15:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:15:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:15:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset_phy [2023-11-24 23:15:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset_phy [2023-11-24 23:15:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:15:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_unbind [2023-11-24 23:15:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_unbind [2023-11-24 23:15:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_link_reset [2023-11-24 23:15:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_link_reset [2023-11-24 23:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-24 23:15:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-24 23:15:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2023-11-24 23:15:09,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2023-11-24 23:15:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:15:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:15:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_netdev_dev_addr [2023-11-24 23:15:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_netdev_dev_addr [2023-11-24 23:15:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_bind [2023-11-24 23:15:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_bind [2023-11-24 23:15:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:15:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-24 23:15:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-24 23:15:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:15:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:15:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:15:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-24 23:15:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-24 23:15:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_bind [2023-11-24 23:15:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_bind [2023-11-24 23:15:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:15:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-24 23:15:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-24 23:15:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:15:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:15:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_phy_addr [2023-11-24 23:15:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_phy_addr [2023-11-24 23:15:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:15:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:15:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-24 23:15:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-24 23:15:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_internal [2023-11-24 23:15:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_internal [2023-11-24 23:15:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:15:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:15:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:15:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:15:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:15:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-24 23:15:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-24 23:15:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom_len [2023-11-24 23:15:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom_len [2023-11-24 23:15:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:15:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:15:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:15:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:15:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:15:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_wol [2023-11-24 23:15:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_wol [2023-11-24 23:15:09,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:15:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:15:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-24 23:15:09,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-24 23:15:09,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:15:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-24 23:15:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd_async [2023-11-24 23:15:09,277 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd_async [2023-11-24 23:15:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-24 23:15:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-24 23:15:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_unbind [2023-11-24 23:15:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_unbind [2023-11-24 23:15:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset [2023-11-24 23:15:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset [2023-11-24 23:15:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_link_reset [2023-11-24 23:15:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_link_reset [2023-11-24 23:15:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2023-11-24 23:15:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2023-11-24 23:15:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:15:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:15:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_drvinfo [2023-11-24 23:15:09,279 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_drvinfo [2023-11-24 23:15:09,280 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_hw_mii [2023-11-24 23:15:09,280 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_hw_mii [2023-11-24 23:15:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:15:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:15:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2023-11-24 23:15:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2023-11-24 23:15:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-24 23:15:09,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-24 23:15:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:15:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:15:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:15:09,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:15:09,283 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_set_settings [2023-11-24 23:15:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_set_settings [2023-11-24 23:15:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_reset [2023-11-24 23:15:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_reset [2023-11-24 23:15:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2023-11-24 23:15:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2023-11-24 23:15:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phyid [2023-11-24 23:15:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phyid [2023-11-24 23:15:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-24 23:15:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-24 23:15:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:15:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:15:09,296 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-24 23:15:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-24 23:15:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure asix_tx_fixup [2023-11-24 23:15:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_tx_fixup [2023-11-24 23:15:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-24 23:15:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-24 23:15:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:15:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:15:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-24 23:15:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-24 23:15:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2023-11-24 23:15:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2023-11-24 23:15:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-24 23:15:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-24 23:15:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure asix_sw_reset [2023-11-24 23:15:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_sw_reset [2023-11-24 23:15:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:15:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_bind [2023-11-24 23:15:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_bind [2023-11-24 23:15:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phy_addr [2023-11-24 23:15:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phy_addr [2023-11-24 23:15:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd [2023-11-24 23:15:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd [2023-11-24 23:15:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:15:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:15:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_medium_status [2023-11-24 23:15:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_medium_status [2023-11-24 23:15:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:15:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:15:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_cmd [2023-11-24 23:15:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_cmd [2023-11-24 23:15:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:15:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:15:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:15:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:15:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:15:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:15:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_nway_reset [2023-11-24 23:15:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_nway_reset [2023-11-24 23:15:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:15:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:15:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:15:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:15:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_gpio [2023-11-24 23:15:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_gpio [2023-11-24 23:15:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_read [2023-11-24 23:15:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_read [2023-11-24 23:15:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-24 23:15:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-24 23:15:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_link_reset [2023-11-24 23:15:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_link_reset [2023-11-24 23:15:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-11-24 23:15:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-11-24 23:15:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:15:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:15:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:15:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:15:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:15:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:15:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:15:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_adjust_link [2023-11-24 23:15:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_adjust_link [2023-11-24 23:15:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_set_multicast [2023-11-24 23:15:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_set_multicast [2023-11-24 23:15:09,305 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_rx_fixup [2023-11-24 23:15:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_rx_fixup [2023-11-24 23:15:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_sw_mii [2023-11-24 23:15:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_sw_mii [2023-11-24 23:15:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_bind [2023-11-24 23:15:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_bind [2023-11-24 23:15:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_status [2023-11-24 23:15:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_status [2023-11-24 23:15:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_common [2023-11-24 23:15:09,306 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_common [2023-11-24 23:15:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:15:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:15:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2023-11-24 23:15:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2023-11-24 23:15:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-24 23:15:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-24 23:15:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:09,307 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom [2023-11-24 23:15:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom [2023-11-24 23:15:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:15:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:15:09,308 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_wol [2023-11-24 23:15:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_wol [2023-11-24 23:15:10,461 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:10,469 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:10,778 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:15:22,895 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:15:23,117 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:26,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:26,116 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:15:26,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:26 BoogieIcfgContainer [2023-11-24 23:15:26,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:26,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:26,124 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:26,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:26,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:03" (1/3) ... [2023-11-24 23:15:26,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735fa9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:26, skipping insertion in model container [2023-11-24 23:15:26,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:08" (2/3) ... [2023-11-24 23:15:26,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735fa9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:26, skipping insertion in model container [2023-11-24 23:15:26,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:26" (3/3) ... [2023-11-24 23:15:26,133 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-asix.cil.i [2023-11-24 23:15:26,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:26,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:15:26,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:26,303 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=LoopHeads, 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;@b5cb6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:26,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:15:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 2002 states, 1217 states have (on average 1.3204601479046836) internal successors, (1607), 1226 states have internal predecessors, (1607), 673 states have call successors, (673), 113 states have call predecessors, (673), 112 states have return successors, (666), 661 states have call predecessors, (666), 666 states have call successors, (666) [2023-11-24 23:15:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2023-11-24 23:15:26,384 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:26,385 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:26,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:26,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1908318092, now seen corresponding path program 1 times [2023-11-24 23:15:26,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:26,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265440534] [2023-11-24 23:15:26,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:26,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5700 trivial. 0 not checked. [2023-11-24 23:15:28,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:28,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265440534] [2023-11-24 23:15:28,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265440534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:28,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:28,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:28,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605268318] [2023-11-24 23:15:28,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:28,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:28,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:28,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:28,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:28,709 INFO L87 Difference]: Start difference. First operand has 2002 states, 1217 states have (on average 1.3204601479046836) internal successors, (1607), 1226 states have internal predecessors, (1607), 673 states have call successors, (673), 113 states have call predecessors, (673), 112 states have return successors, (666), 661 states have call predecessors, (666), 666 states have call successors, (666) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-24 23:15:32,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:32,717 INFO L93 Difference]: Finished difference Result 5776 states and 8573 transitions. [2023-11-24 23:15:32,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:32,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 414 [2023-11-24 23:15:32,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:32,786 INFO L225 Difference]: With dead ends: 5776 [2023-11-24 23:15:32,787 INFO L226 Difference]: Without dead ends: 3763 [2023-11-24 23:15:32,809 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 [2023-11-24 23:15:32,812 INFO L413 NwaCegarLoop]: 2685 mSDtfsCounter, 2710 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2710 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:32,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 5214 Invalid, 816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-24 23:15:32,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2023-11-24 23:15:33,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3759. [2023-11-24 23:15:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 2313 states have (on average 1.3216601815823605) internal successors, (3057), 2329 states have internal predecessors, (3057), 1227 states have call successors, (1227), 218 states have call predecessors, (1227), 218 states have return successors, (1227), 1215 states have call predecessors, (1227), 1227 states have call successors, (1227) [2023-11-24 23:15:33,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5511 transitions. [2023-11-24 23:15:33,230 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5511 transitions. Word has length 414 [2023-11-24 23:15:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:33,236 INFO L495 AbstractCegarLoop]: Abstraction has 3759 states and 5511 transitions. [2023-11-24 23:15:33,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2023-11-24 23:15:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5511 transitions. [2023-11-24 23:15:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2023-11-24 23:15:33,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:33,267 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:33,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:15:33,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:33,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1545230775, now seen corresponding path program 1 times [2023-11-24 23:15:33,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:33,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730301107] [2023-11-24 23:15:33,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:33,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5700 trivial. 0 not checked. [2023-11-24 23:15:34,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:34,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730301107] [2023-11-24 23:15:34,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730301107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:34,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:34,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:34,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402599603] [2023-11-24 23:15:34,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:34,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:34,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:34,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:34,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:34,268 INFO L87 Difference]: Start difference. First operand 3759 states and 5511 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-24 23:15:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:37,803 INFO L93 Difference]: Finished difference Result 11019 states and 16137 transitions. [2023-11-24 23:15:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:37,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 421 [2023-11-24 23:15:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:37,891 INFO L225 Difference]: With dead ends: 11019 [2023-11-24 23:15:37,891 INFO L226 Difference]: Without dead ends: 7337 [2023-11-24 23:15:37,915 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 [2023-11-24 23:15:37,920 INFO L413 NwaCegarLoop]: 2694 mSDtfsCounter, 2635 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2635 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:37,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2635 Valid, 5156 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-24 23:15:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7337 states. [2023-11-24 23:15:38,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7337 to 7333. [2023-11-24 23:15:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7333 states, 4530 states have (on average 1.3214128035320087) internal successors, (5986), 4564 states have internal predecessors, (5986), 2366 states have call successors, (2366), 436 states have call predecessors, (2366), 436 states have return successors, (2366), 2340 states have call predecessors, (2366), 2366 states have call successors, (2366) [2023-11-24 23:15:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 10718 transitions. [2023-11-24 23:15:38,495 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 10718 transitions. Word has length 421 [2023-11-24 23:15:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:38,498 INFO L495 AbstractCegarLoop]: Abstraction has 7333 states and 10718 transitions. [2023-11-24 23:15:38,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-24 23:15:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 10718 transitions. [2023-11-24 23:15:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2023-11-24 23:15:38,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:38,519 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:38,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:15:38,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:38,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:38,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1502955129, now seen corresponding path program 1 times [2023-11-24 23:15:38,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:15:38,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598924530] [2023-11-24 23:15:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:38,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:15:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5700 trivial. 0 not checked. [2023-11-24 23:15:39,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:15:39,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598924530] [2023-11-24 23:15:39,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598924530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:39,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:39,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:39,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117839189] [2023-11-24 23:15:39,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:39,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:15:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:15:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:15:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:15:39,511 INFO L87 Difference]: Start difference. First operand 7333 states and 10718 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, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-24 23:15:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:44,276 INFO L93 Difference]: Finished difference Result 21595 states and 31532 transitions. [2023-11-24 23:15:44,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:15:44,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 421 [2023-11-24 23:15:44,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:44,433 INFO L225 Difference]: With dead ends: 21595 [2023-11-24 23:15:44,433 INFO L226 Difference]: Without dead ends: 14339 [2023-11-24 23:15:44,485 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 [2023-11-24 23:15:44,487 INFO L413 NwaCegarLoop]: 2834 mSDtfsCounter, 2633 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:44,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 5296 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-24 23:15:44,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14339 states.