./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW --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 181f5b9a97f7cf8062e70af226af12bc222e67b2536d95b282fb684da67802e2 --- 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-4e7fbc6 [2022-11-23 15:54:26,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:54:26,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:54:26,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:54:26,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:54:26,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:54:26,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:54:26,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:54:26,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:54:26,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:54:26,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:54:26,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:54:26,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:54:26,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:54:26,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:54:26,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:54:26,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:54:26,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:54:26,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:54:26,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:54:26,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:54:26,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:54:26,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:54:26,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:54:26,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:54:26,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:54:26,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:54:26,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:54:26,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:54:26,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:54:26,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:54:26,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:54:26,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:54:26,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:54:26,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:54:26,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:54:26,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:54:26,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:54:26,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:54:26,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:54:26,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:54:26,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:54:26,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:54:26,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:54:26,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:54:26,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:54:26,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:54:26,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:54:26,194 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:54:26,194 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:54:26,195 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:54:26,195 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:54:26,195 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:54:26,195 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:54:26,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:54:26,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:54:26,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:54:26,196 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:54:26,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:54:26,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:54:26,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:54:26,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:54:26,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:54:26,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:54:26,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:54:26,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:54:26,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:54:26,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:54:26,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:54:26,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:54:26,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:54:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:26,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:54:26,201 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:54:26,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:54:26,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:54:26,202 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:54:26,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:54:26,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:54:26,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:54:26,202 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_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 181f5b9a97f7cf8062e70af226af12bc222e67b2536d95b282fb684da67802e2 [2022-11-23 15:54:26,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:54:26,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:54:26,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:54:26,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:54:26,531 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:54:26,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-23 15:54:29,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:54:30,396 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:54:30,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-23 15:54:30,461 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/data/c53806474/05161689d8b64324991eb0fc239cba30/FLAGfa453deaa [2022-11-23 15:54:30,482 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/data/c53806474/05161689d8b64324991eb0fc239cba30 [2022-11-23 15:54:30,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:54:30,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:54:30,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:30,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:54:30,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:54:30,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:30" (1/1) ... [2022-11-23 15:54:30,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58527d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:30, skipping insertion in model container [2022-11-23 15:54:30,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:30" (1/1) ... [2022-11-23 15:54:30,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:54:30,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:54:36,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577213,577226] [2022-11-23 15:54:36,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577382,577395] [2022-11-23 15:54:36,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577549,577562] [2022-11-23 15:54:36,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577717,577730] [2022-11-23 15:54:36,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:36,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:54:37,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577213,577226] [2022-11-23 15:54:37,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577382,577395] [2022-11-23 15:54:37,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577549,577562] [2022-11-23 15:54:37,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[577717,577730] [2022-11-23 15:54:37,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:54:37,849 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:54:37,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37 WrapperNode [2022-11-23 15:54:37,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:54:37,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:37,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:54:37,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:54:37,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,459 INFO L138 Inliner]: procedures = 707, calls = 6146, calls flagged for inlining = 338, calls inlined = 309, statements flattened = 12754 [2022-11-23 15:54:38,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:54:38,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:54:38,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:54:38,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:54:38,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:38,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:39,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:39,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:39,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:39,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:54:39,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:54:39,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:54:39,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:54:39,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (1/1) ... [2022-11-23 15:54:39,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:54:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:54:39,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:54:39,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4e9b6d-1585-486f-9154-8abe31f7b2bc/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:54:39,351 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2022-11-23 15:54:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2022-11-23 15:54:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2022-11-23 15:54:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2022-11-23 15:54:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2022-11-23 15:54:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2022-11-23 15:54:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_118 [2022-11-23 15:54:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_118 [2022-11-23 15:54:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 15:54:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 15:54:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2022-11-23 15:54:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2022-11-23 15:54:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2022-11-23 15:54:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2022-11-23 15:54:39,354 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2022-11-23 15:54:39,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2022-11-23 15:54:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:54:39,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:54:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:54:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:54:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:54:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:54:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:54:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:54:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2022-11-23 15:54:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2022-11-23 15:54:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_115 [2022-11-23 15:54:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_115 [2022-11-23 15:54:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:54:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:54:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2022-11-23 15:54:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2022-11-23 15:54:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:54:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:54:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2022-11-23 15:54:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2022-11-23 15:54:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:54:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:54:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2022-11-23 15:54:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2022-11-23 15:54:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:54:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:54:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:54:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:54:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:54:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:54:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:54:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:54:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2022-11-23 15:54:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2022-11-23 15:54:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-11-23 15:54:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-11-23 15:54:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2022-11-23 15:54:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2022-11-23 15:54:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 15:54:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2022-11-23 15:54:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2022-11-23 15:54:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2022-11-23 15:54:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_137 [2022-11-23 15:54:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_137 [2022-11-23 15:54:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 15:54:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 15:54:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_133 [2022-11-23 15:54:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_133 [2022-11-23 15:54:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2022-11-23 15:54:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2022-11-23 15:54:39,368 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:54:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:54:39,369 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2022-11-23 15:54:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2022-11-23 15:54:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2022-11-23 15:54:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2022-11-23 15:54:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:54:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:54:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:54:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:54:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2022-11-23 15:54:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2022-11-23 15:54:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:54:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:54:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2022-11-23 15:54:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2022-11-23 15:54:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:54:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:54:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:54:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:54:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:54:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:54:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 15:54:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 15:54:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-23 15:54:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-23 15:54:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:54:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 15:54:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 15:54:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2022-11-23 15:54:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2022-11-23 15:54:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-23 15:54:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-23 15:54:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:54:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:54:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_103 [2022-11-23 15:54:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_103 [2022-11-23 15:54:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_106 [2022-11-23 15:54:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_106 [2022-11-23 15:54:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-23 15:54:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-23 15:54:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:54:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:54:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_stats_poll [2022-11-23 15:54:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_stats_poll [2022-11-23 15:54:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:54:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:54:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:54:39,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:54:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2022-11-23 15:54:39,397 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2022-11-23 15:54:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:54:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-23 15:54:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-23 15:54:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:54:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:54:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:54:39,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:54:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2022-11-23 15:54:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2022-11-23 15:54:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:54:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:54:39,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:54:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:54:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:54:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:54:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:54:39,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:54:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:54:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:54:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:54:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:54:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:54:39,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:54:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2022-11-23 15:54:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2022-11-23 15:54:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2022-11-23 15:54:39,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2022-11-23 15:54:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2022-11-23 15:54:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2022-11-23 15:54:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:54:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:54:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:54:39,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:54:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:54:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:54:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:54:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:54:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2022-11-23 15:54:39,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2022-11-23 15:54:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2022-11-23 15:54:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2022-11-23 15:54:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2022-11-23 15:54:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2022-11-23 15:54:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:54:39,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:54:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2022-11-23 15:54:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2022-11-23 15:54:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:54:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-23 15:54:39,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-23 15:54:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2022-11-23 15:54:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2022-11-23 15:54:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:54:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:54:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2022-11-23 15:54:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2022-11-23 15:54:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:54:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 15:54:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 15:54:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2022-11-23 15:54:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2022-11-23 15:54:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:54:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:54:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:54:39,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:54:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:54:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:54:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2022-11-23 15:54:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2022-11-23 15:54:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:54:39,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:54:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 15:54:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 15:54:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2022-11-23 15:54:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2022-11-23 15:54:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-23 15:54:39,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-23 15:54:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:54:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:54:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2022-11-23 15:54:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2022-11-23 15:54:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-23 15:54:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-23 15:54:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2022-11-23 15:54:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2022-11-23 15:54:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:54:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:54:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2022-11-23 15:54:39,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2022-11-23 15:54:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2022-11-23 15:54:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2022-11-23 15:54:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 15:54:39,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 15:54:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:54:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:54:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:54:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:54:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:54:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:54:39,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:54:39,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:54:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2022-11-23 15:54:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2022-11-23 15:54:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-23 15:54:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-23 15:54:39,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 15:54:39,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 15:54:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2022-11-23 15:54:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2022-11-23 15:54:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:54:39,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:54:39,417 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2022-11-23 15:54:39,418 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2022-11-23 15:54:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2022-11-23 15:54:39,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2022-11-23 15:54:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:54:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:54:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:54:39,423 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:54:39,423 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2022-11-23 15:54:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2022-11-23 15:54:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-23 15:54:39,424 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-23 15:54:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2022-11-23 15:54:39,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2022-11-23 15:54:39,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:54:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:54:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2022-11-23 15:54:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2022-11-23 15:54:39,427 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:54:39,427 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:54:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2022-11-23 15:54:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2022-11-23 15:54:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:54:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:54:39,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:54:39,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:54:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:54:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:54:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2022-11-23 15:54:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2022-11-23 15:54:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:54:39,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:54:39,429 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 15:54:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 15:54:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:54:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:54:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 15:54:39,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 15:54:39,430 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2022-11-23 15:54:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2022-11-23 15:54:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2022-11-23 15:54:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2022-11-23 15:54:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 15:54:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2022-11-23 15:54:39,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2022-11-23 15:54:39,431 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-23 15:54:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-23 15:54:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:54:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:54:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:54:39,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:54:39,432 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-23 15:54:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-23 15:54:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-23 15:54:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-23 15:54:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2022-11-23 15:54:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2022-11-23 15:54:39,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:54:39,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:54:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2022-11-23 15:54:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2022-11-23 15:54:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:54:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:54:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-23 15:54:39,434 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-23 15:54:39,434 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2022-11-23 15:54:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2022-11-23 15:54:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-23 15:54:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-23 15:54:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:54:39,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:54:39,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:54:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:54:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:54:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:54:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2022-11-23 15:54:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2022-11-23 15:54:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 15:54:39,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 15:54:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:54:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:54:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-23 15:54:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-23 15:54:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:54:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:54:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-23 15:54:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-23 15:54:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 15:54:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 15:54:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:54:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2022-11-23 15:54:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2022-11-23 15:54:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2022-11-23 15:54:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2022-11-23 15:54:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:54:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:54:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2022-11-23 15:54:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2022-11-23 15:54:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:54:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2022-11-23 15:54:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2022-11-23 15:54:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2022-11-23 15:54:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2022-11-23 15:54:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:54:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2022-11-23 15:54:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2022-11-23 15:54:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:54:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:54:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 15:54:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 15:54:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:54:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:54:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2022-11-23 15:54:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2022-11-23 15:54:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:54:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:54:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:54:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:54:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:54:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:54:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 15:54:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 15:54:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:54:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:54:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2022-11-23 15:54:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2022-11-23 15:54:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2022-11-23 15:54:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2022-11-23 15:54:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 15:54:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 15:54:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2022-11-23 15:54:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2022-11-23 15:54:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2022-11-23 15:54:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2022-11-23 15:54:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2022-11-23 15:54:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2022-11-23 15:54:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2022-11-23 15:54:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2022-11-23 15:54:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-11-23 15:54:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-11-23 15:54:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2022-11-23 15:54:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2022-11-23 15:54:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 15:54:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 15:54:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:54:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:54:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:54:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:54:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 15:54:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 15:54:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2022-11-23 15:54:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2022-11-23 15:54:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2022-11-23 15:54:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2022-11-23 15:54:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2022-11-23 15:54:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2022-11-23 15:54:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:54:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:54:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2022-11-23 15:54:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2022-11-23 15:54:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2022-11-23 15:54:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2022-11-23 15:54:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:54:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:54:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2022-11-23 15:54:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2022-11-23 15:54:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:54:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2022-11-23 15:54:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2022-11-23 15:54:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-23 15:54:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-23 15:54:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:54:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:54:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2022-11-23 15:54:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2022-11-23 15:54:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2022-11-23 15:54:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2022-11-23 15:54:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:54:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:54:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2022-11-23 15:54:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2022-11-23 15:54:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-23 15:54:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-23 15:54:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2022-11-23 15:54:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2022-11-23 15:54:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-23 15:54:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-23 15:54:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:54:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:54:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:54:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:54:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-11-23 15:54:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-11-23 15:54:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2022-11-23 15:54:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2022-11-23 15:54:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2022-11-23 15:54:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2022-11-23 15:54:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2022-11-23 15:54:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2022-11-23 15:54:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2022-11-23 15:54:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2022-11-23 15:54:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2022-11-23 15:54:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2022-11-23 15:54:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2022-11-23 15:54:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2022-11-23 15:54:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2022-11-23 15:54:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2022-11-23 15:54:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2022-11-23 15:54:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2022-11-23 15:54:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:54:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:54:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:54:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:54:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 15:54:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 15:54:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-23 15:54:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-23 15:54:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2022-11-23 15:54:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2022-11-23 15:54:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2022-11-23 15:54:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2022-11-23 15:54:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2022-11-23 15:54:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2022-11-23 15:54:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2022-11-23 15:54:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2022-11-23 15:54:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:54:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:54:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2022-11-23 15:54:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2022-11-23 15:54:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-23 15:54:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-23 15:54:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:54:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:54:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:54:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2022-11-23 15:54:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2022-11-23 15:54:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2022-11-23 15:54:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2022-11-23 15:54:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:54:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:54:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2022-11-23 15:54:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2022-11-23 15:54:41,201 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:54:41,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:54:41,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 16:08:19,774 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:28,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:28,626 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-23 16:08:28,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:28 BoogieIcfgContainer [2022-11-23 16:08:28,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:28,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:28,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:28,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:28,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:30" (1/3) ... [2022-11-23 16:08:28,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5132c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:28, skipping insertion in model container [2022-11-23 16:08:28,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:37" (2/3) ... [2022-11-23 16:08:28,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5132c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:28, skipping insertion in model container [2022-11-23 16:08:28,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:28" (3/3) ... [2022-11-23 16:08:28,659 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2022-11-23 16:08:28,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:28,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 16:08:28,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:28,875 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;@4b28952e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:28,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 16:08:28,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 4019 states, 2159 states have (on average 1.2515053265400649) internal successors, (2702), 2301 states have internal predecessors, (2702), 1630 states have call successors, (1630), 226 states have call predecessors, (1630), 225 states have return successors, (1621), 1587 states have call predecessors, (1621), 1621 states have call successors, (1621) [2022-11-23 16:08:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 16:08:28,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:28,907 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 16:08:28,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 16:08:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash -171625352, now seen corresponding path program 1 times [2022-11-23 16:08:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:08:28,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466693048] [2022-11-23 16:08:28,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:28,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:08:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 16:08:34,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:08:34,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466693048] [2022-11-23 16:08:34,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466693048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:34,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:34,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 16:08:34,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118526808] [2022-11-23 16:08:34,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:34,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 16:08:34,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:08:34,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 16:08:34,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:08:34,103 INFO L87 Difference]: Start difference. First operand has 4019 states, 2159 states have (on average 1.2515053265400649) internal successors, (2702), 2301 states have internal predecessors, (2702), 1630 states have call successors, (1630), 226 states have call predecessors, (1630), 225 states have return successors, (1621), 1587 states have call predecessors, (1621), 1621 states have call successors, (1621) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 16:08:36,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:39,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:43,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:45,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:47,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:50,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:52,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:07,444 INFO L93 Difference]: Finished difference Result 11842 states and 18089 transitions. [2022-11-23 16:09:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 16:09:07,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-23 16:09:07,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:07,553 INFO L225 Difference]: With dead ends: 11842 [2022-11-23 16:09:07,554 INFO L226 Difference]: Without dead ends: 7816 [2022-11-23 16:09:07,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 16:09:07,607 INFO L413 NwaCegarLoop]: 8049 mSDtfsCounter, 5734 mSDsluCounter, 21516 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5749 SdHoareTripleChecker+Valid, 29565 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:07,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5749 Valid, 29565 Invalid, 2386 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 2377 Invalid, 6 Unknown, 0 Unchecked, 32.3s Time] [2022-11-23 16:09:07,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7816 states. [2022-11-23 16:09:08,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7816 to 7806. [2022-11-23 16:09:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7806 states, 4192 states have (on average 1.2447519083969465) internal successors, (5218), 4456 states have internal predecessors, (5218), 3165 states have call successors, (3165), 448 states have call predecessors, (3165), 445 states have return successors, (3243), 3091 states have call predecessors, (3243), 3159 states have call successors, (3243) [2022-11-23 16:09:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7806 states to 7806 states and 11626 transitions. [2022-11-23 16:09:08,522 INFO L78 Accepts]: Start accepts. Automaton has 7806 states and 11626 transitions. Word has length 35 [2022-11-23 16:09:08,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:08,523 INFO L495 AbstractCegarLoop]: Abstraction has 7806 states and 11626 transitions. [2022-11-23 16:09:08,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 16:09:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand 7806 states and 11626 transitions. [2022-11-23 16:09:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 16:09:08,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:08,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 16:09:08,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:09:08,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 16:09:08,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:08,530 INFO L85 PathProgramCache]: Analyzing trace with hash -580638074, now seen corresponding path program 1 times [2022-11-23 16:09:08,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:08,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428473172] [2022-11-23 16:09:08,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:08,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 16:09:12,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:12,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428473172] [2022-11-23 16:09:12,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428473172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:12,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:12,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 16:09:12,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509682223] [2022-11-23 16:09:12,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:12,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 16:09:12,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:12,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 16:09:12,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:09:12,867 INFO L87 Difference]: Start difference. First operand 7806 states and 11626 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 16:09:15,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:09:18,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []